Request Tutoring Info
Please enter name
Please enter email
Please enter phone
Please enter details
STRAWBERRY R Programming tutors

Book Top-Rated R Programming Tutors Near Me In STRAWBERRY, CA

Our STRAWBERRY R Programming tutors are top college students and graduates from local area universities. They have an average GPA of 3.5 or higher in their areas of tutoring specialization. At Frog Tutoring, we work with students in all grade levels and our STRAWBERRY private R Programming tutors provide customized one on one in-home tutoring through our proven three step approach to academic success.

1.Bring student up to speed by reviewing past work to ensure they are not missing any important concepts that might affect their abilities to learn future lessons. 2. Keep student ahead of the class by using the teachers lesson plan, textbook, and online curriculum to cover lessons before it is taught in class. 2. Reinforce key concepts they might have missed. This ensures they will never be behind again. Your tutor will also help with organization, study skills, and note taking strategies.
Your STRAWBERRY area R Programming tutor will also track student progress through detailed session reports which will be available to you at the end of each tutoring session. If it is okay with you, your tutor will contact your child's teacher, for K-12, to get a more detailed understanding of what they are struggling with and also to make sure that he/she and the teacher are both on the same page in their approach to tackling the problem.

Browse our list of qualified R Programming tutors below. If you are in need of an R Programming tutor in STRAWBERRY, please call us or simply go to the tab above and Request a Tutor and let us help provide the understanding and assistance needed for success.

Read more... Read less
cnn cbs boston miami fox news

List of High-Achieving R Programming Tutors Near Me In STRAWBERRY, CA For In-Person & Online Tutoring


How it works

tutors, tutoring, tutoring service, tutoring services, homework help, private tutors, home tutors

Request any tutor by submitting a form

tutors, tutoring, tutoring service, tutoring services, homework help, private tutors, home tutors

Speak with our enrollment advisor to get your questions answered

tutors, tutoring, tutoring service, tutoring services, homework help, private tutors, home tutors

Get connected with your private in-person or online tutor

Our Students and Parents Love Us
as Much as We Love Them

">
DM
Knowledge
Presentation

{not commented yet}she was very knowledgeable and patient with my daughter

">
JN
Knowledge
Presentation

Robert has been excellent and extremely helpful to my son. He is also flexible and has been willing to meet with my son prior to his exams for tutoring. MY son started the semester with a D and has increased his to a B. Thank you Robert!

">
TA
Knowledge
Presentation

Alex has thoroughly enjoyed the sessions and found them to be very helpful. I am really happy with the feedback and the communication. Wouldn't hesitate to recommend.

">
JY
Knowledge
Presentation

Rosemary was super helpful going over some of the concepts that were tricky, and helped explain the content well.

">
HM
Knowledge
Presentation

Super helpful and willing to adjust to my learning habits. I really enjoy our time working together as the preparation from her end is very noticeable and appreciated.

">
LC
Knowledge
Presentation

Great tutoring session!

">
JC
Knowledge
Presentation

Sarah is our 5th tutor we have used on Frog tutoring. In just one short month of tutoring my child with ADHD, she has improved his math grade from a C to an A-!! We are so happy for the progress our child has made with Sarah’s help, and we will definitely continue to use her as our child’s...

">
JL
Knowledge
Presentation

{not commented yet}The sessions are going well and I am understanding the material . The information is clear , which I love.

">
RG
Knowledge
Presentation

Overall, AJ was absolutely amazing. I didn’t understand almost anything in physics and he made it seem like elementary grade stuff, overall was amazing and I will miss him

">
KB
Knowledge
Presentation

Ali is an amazing tutor always willing to help me on my school assignments and is a very down-to-earth person.

">
JD
Knowledge
Presentation

good tutor

">
KB
Knowledge
Presentation

Looking forward to meeting you.

">
AN
Knowledge
Presentation

Joyce has been great in helping me review topics for the NCLEX

">
SM
Knowledge
Presentation

Ryan in very knowledgeable on the topics I was needing help with. He is professional and works around your schedule. The best tutor I have had on frog tutoring.

">
RW
Knowledge
Presentation

Good tutor

">
RW
Knowledge
Presentation

Never partnered so unable to rate accurately but frog tutors are great so why not give a 5

">
OS
Knowledge
Presentation

patient and knowledgeable

">
Dm
Knowledge
Presentation

{not commented yet}Hayeon Lee is fantastic !
Very knowledgeable and wonderful to work with.
She is kind and is very easy to learn from.
Thank you for finding her.
We have another session Tuesday but I have to reschedule
Perhaps Wednesday?

">
DY
Knowledge
Presentation

Very encouraging and funny. He makes learning fun and teaches in a very simple, easy way to understand.

">
MP
Knowledge
Presentation

Pamela is wonderful! She's the perfect fit for my son! She's very engaging and makes tutoring fun for him

">
HB
Knowledge
Presentation

{not commented yet}
Vince is very happy with this tutor.

">
RF
Knowledge
Presentation

{not commented yet}Jaelynn Cafourek's accomplished computer skills and college training make her a very valuable asset to those who need a professional with their studies.I highly recommend her and her excellent attitude, and clear ability to connect with others and their specific learning...

">
JS
Knowledge
Presentation

Carolle is an excellent tutor. She explains things well, sends me frequent reminders of what I learned during the week, and is altogether a pleasure

">
DR
Knowledge
Presentation

Jeff was extremely knowledgeable and helpful. Deep industry knowledge in running in investment firm and very solid resource. Thank you!

">
MV
Knowledge
Presentation

{not commented yet}
Joyce is very knowledgeable and helpful.

">
TS
Knowledge
Presentation

A very smart individual, has great knowledge to cover the stuff needed based off your preference.

">
RF
Knowledge
Presentation

{not commented yet}Craig has been a big help with helping me learn how to use the internet, navigate a job search and I have learned quite a bit in a shot time.

">
DY
Knowledge
Presentation

Makes learing fun!

">
OT
Knowledge
Presentation

Matthew and I concentrated on financial statements in my CFA Level 1 curriculum. He was extremely knowledgeable and, with his own industry experience, he was very effective at providing real-life examples that made it easier to understand the concepts.

">
Ma
Knowledge
Presentation

He is a great tutor. He knows the topics very well and explains them easily. My only complaint is that his handwriting is somewhat messy. All in all, he is a great SAT tutor for English and math.

">
MB
Knowledge
Presentation

Awesome! he and my son work great together! My Son won't work with anyone else.

">
IB
Knowledge
Presentation

Gurleen is AMAZING!!!!!! She is the best tutor you will find on here. She is very knowledgeable on chemistry and will help you work through so many problems despite them being very challenging. Gurleen helps with retaining the knowledge and provides notes and practice problems as well. if you need...

">
RH
Knowledge
Presentation

Dana is very knwoedgable, especially with anatomy. I was a earning around an 80-84 percent(C) in my medical program exams. With Dana's assistance and vast knowledge in this subject I have passed a written exam AND a practical with a 92(A)!!! Dana positively encourages/challenges her students...

">
LC
Knowledge
Presentation

Sunita Woodcheke has not only demonstrated an extraordinary commitment to my child's academic progress but has also exhibited remarkable patience, enthusiasm, and expertise in their teaching approach. Through personalized lessons and tailored guidance Sunita has fostered a supportive learning...

">
SM
Knowledge
Presentation

Kevin is knowledgeable about math, and he knows how to teach. I’m very rusty on my skills, but he’s been nothing but patient with me. He absorbs my weaknesses and focuses on what I need help with. I appreciate all he’s done so far.

">
TG
Knowledge
Presentation

McKenna has done a great job of working with my daughter on geometry.

">
TM
Knowledge
Presentation

school rating and grades improved.

">
NC
Knowledge
Presentation

I am so happy with this tutoring, my son is engaged all the time. He loves to work in the computer and the activities that they do during the tutoring. She used many different way and form in order to keep him engaged.

">
EC
Knowledge
Presentation

Annie is great!!!!

">
EC
Knowledge
Presentation

Madi is fantastic!!

">
NT
Knowledge
Presentation

I don't sit next to my 9yo during sessions, and this is the first time I ever used a tutor. I can tell you that using a tutor eliminates all the fighting and whining from my kid about doing homework which makes me very happy. They get a lot done during an hour. The tutor is focused, prepared,...

">
PM
Knowledge
Presentation

Fabulous. Olivia is engaging, knowledgeable, and a delight to work with. Highly recommend. Always punctual. Always reliable. Always helpful. Competent with both homework help and direct instruction.

">
CH
Knowledge
Presentation

Extremely knowledgeable and gave direct examples of certain concepts I had trouble with. He also helped assess some of the specific terminology that I need to look for on the exam.

">
TG
Knowledge
Presentation

Chigbo explains concepts in a way that makes it easy to understand. My daughter's understanding and confidence had a real boost in just two days.

">
JE
Knowledge
Presentation

Matthew was very knowledgable in the CFP topics and is very flexible with his ability to review materials and go through the questioning.

">
KK
Knowledge
Presentation

Ivan is absolutely amazing with his knowledge, He is my tutor for college level pre-calculus and I can confidently say that I would not be able to get through my class without ivans help with the class material. He has great patience and will explain and walk you through each problem until you need...

">
AC
Knowledge
Presentation

Very encouraging and goes at a good pace which has been immensely beneficial. Very punctual, there's never been any issues with scheduling. Overall, I have been enjoying my sessions and I look forward to more as he helps me prepare for my ACT.

">
CP
Knowledge
Presentation

Taitana Has tutored my daughter in math and english, she has my daughter think differently in problem solving and expanded her vocabulary. She never gives you the answer but helps you solve a problem together for my daughter to understand why the problem or word is not correct. Will request her...

">
NB
Knowledge
Presentation

So far so good

">
ER
Knowledge
Presentation

Very encouraging, and I enjoy working with her

Qualification and Certification of R Programming Tutors Near Me In STRAWBERRY, CA


  • Undergraduate
  • Bachelor degree holders
  • Master degree holders
  • Ph.D. holders
  • Teaching Certification
  • Professional Certificate
  • Background checks
  • Tutoring experience
  • Continuous education
  • FrogTutoring verification certification

STRAWBERRY, CA R Programming Tutoring Rates


  • Price range from $37/hr - $65/hr
  • Rates vary based on the type of tutoring, methods used, and the number of hours required.
  • Contact our enrollment team to receive your personalized rate.

Tutoring Methods of Our Private Tutors In STRAWBERRY, CA


  • In-person/in-home tutoring
  • Online tutoring
  • One-on-one tutoring
  • Group lessons tutoring.

Tools We Use For Online R Programming Tutoring


  • Zoom
  • FrogTutoring custom online tutoring platform
  • The Lesson space

Our R Programming Clientele In STRAWBERRY, CA


  • High school students
  • Middle school students
  • College students
  • Adults
  • Special needs students

Tutoring Locations For R Programming In STRAWBERRY, CA


  • Student homes
  • Public Libraries
  • STRAWBERRY neighborhoods and suburbs

Sign up now for our one-on-one private R Programming tutoring in STRAWBERRY, CA


STRAWBERRY, CA Tutoring FAQ

What types of tutoring services are available in Strawberry, CA?

In Strawberry, CA, students have access to a variety of tutoring services that cater to different needs. These include one-on-one personalized tutoring, online tutoring sessions, help with homework, test preparation, and specialized tutoring for subjects like math, science, language arts, and more. FrogTutoring offers custom-tailored tutoring solutions to students in Strawberry, ensuring that each learner's unique educational goals are met with expertise and personalized attention.

How do I find a qualified tutor in Strawberry, CA?

To find a qualified tutor in Strawberry, CA, you can begin by researching reputable tutoring providers such as FrogTutoring. They carefully screen and select tutors based on expertise, teaching experience, and interpersonal skills to ensure high-quality educational support. You can also look for online reviews, ask for referrals from friends or educators, and check tutor qualifications and experience to find the best match for your academic needs.

What subjects can tutors in Strawberry, CA help with?

Tutors in Strawberry, CA are available to help with a wide range of subjects at various academic levels. These include elementary through college-level math, science, English, history, foreign languages, and many other specialty subjects. FrogTutoring particularly excels in matching tutors who specialize in the specific subject you need assistance with, ensuring a highly effective and targeted learning experience.

How much does tutoring cost in Strawberry, CA?

The cost of tutoring in Strawberry, CA can vary depending on several factors such as the subject, level of education, tutor qualifications, and length of the tutoring session. FrogTutoring offers competitive pricing and works to provide affordable, high-quality tutoring solutions. They can provide detailed pricing based on your specific tutoring needs and help create a plan that fits your budget.

Can I get SAT or ACT prep tutoring in Strawberry, CA?

Yes, SAT and ACT prep tutoring is available in Strawberry, CA. Many tutoring services, including FrogTutoring, offer specialized test preparation programs. These programs focus on exam strategies, practice tests, and reviewing key content areas to help students maximize their scores. Qualified tutors can guide students through the preparation process, providing them with confidence and improved test-taking skills.

R Programming FAQ

What is R programming used for?

R programming is a language and environment primarily used for statistical computing and graphics. It provides an extensive variety of statistical and graphical techniques, including linear and nonlinear modeling, classical statistical tests, time-series analysis, classification, clustering, and others. It's also used for data analysis, data visualization, and machine learning tasks, making it a popular choice among statisticians, data analysts, and researchers.

Can I learn R programming online for free?

Yes, you can learn R programming online for free. There are various resources available such as the Comprehensive R Archive Network (CRAN) where you can download R, online courses on platforms like Coursera or edX that offer free auditing options, extensive documentation, community forums, and dedicated websites like R-bloggers that share tutorials and insights.

How long does it take to learn R programming?

The time it takes to learn R programming varies depending on your prior experience with programming and statistics. For a complete beginner, it might take a few months to become proficient with the basics. However, to become well-versed in advanced R programming concepts, it may take a year or more of consistent study and practice.

What are the best resources for R programming tutoring?

The best resources for R programming tutoring include online learning platforms like Coursera, Udemy, and Codecademy which offer courses tailored to all levels. Additionally, R's official website (r-project.org) provides comprehensive manuals, and websites like Stack Overflow and RStudio Community offer forums for real-time assistance. Books such as 'R for Data Science' by Hadley Wickham and Garrett Grolemund, and 'The R Book' by Michael J. Crawley, are also highly recommended.

Are there any certifications available for R programming?

Yes, there are certifications available for R programming. Universities, MOOC providers like Coursera and edX, offer certification courses. Furthermore, the R Consortium and professional organizations may offer certifications to validate expertise in R. These certificates can help bolster your resume and verify your competency in R to employers.

Common Questions on R Programming Tutors

What is the best way to learn R programming?

The best way to learn R programming is by combining theoretical understanding of statistical concepts with practical hands-on experience. It's important to start with the basics of R syntax and gradually work through more complex data manipulation, visualization, and analysis techniques. Using resources such as online tutorials, textbooks, and interactive R programming courses can be beneficial. A highly effective method is working with a personal tutor who can guide you through the intricacies of R, provide personalized feedback, and address your unique learning needs. Frog Tutoring offers experienced R programming tutors who can tailor a learning plan to your goals. Ready to enhance your R skills? Click to request a tutor and learn more about our services. $('#popup').arcticmodal()

Are there R programming tutors for beginners?

Yes, Frog Tutoring offers R programming tutors for beginners. Our tutors can start with the foundational elements of the language, ensuring that students understand the basics before moving onto more complex topics. Whether you're new to programming or just new to R, our tutors cater to all levels and backgrounds. Start your R programming journey with confidence. Click to request a tutor and learn more about our services. $('#popup').arcticmodal()

Can I find an R programming tutor for data analysis?

Definitely! Data analysis is one of the key applications of R programming, and tutors from Frog Tutoring can help you master the techniques needed for analyzing data effectively. From importing data to performing statistical tests and creating visualizations, our tutors can provide guidance on the entire data analysis process using R. Enhance your data analysis skills in R today. Click to request a tutor and learn more about our services. $('#popup').arcticmodal()

How much does it cost to hire an R programming tutor?

The cost of hiring an R programming tutor varies based on factors such as the tutor's experience, qualifications, and the frequency and length of tutoring sessions. Frog Tutoring provides competitive pricing and works to match students with tutors that fit their budget and learning needs. To receive a quote and discuss the specifics of R programming tutoring, click to request a tutor and learn more about our services. $('#popup').arcticmodal()

What topics can an R programming tutor help with?

An R programming tutor from Frog Tutoring can assist with a wide range of topics including basic syntax, data types, data manipulation, functions, loops, and conditional statements, as well as advanced topics like statistical modeling, machine learning, graphics, and data visualization. Whether you’re a student, professional, or hobbyist, we have tutors that can cater to your specific needs. Get help with R programming topics today. Click to request a tutor and learn more about our services. $('#popup').arcticmodal()

STRAWBERRY, CA Neighborhoods We Service

Strawberry, California, nestled in the picturesque Marin County, might not be sprawling like some other Californian cities, but it captivates with its charm and offers an intimate community feel. Within its cozy confines lies a variety of neighborhoods, each boasting its unique character and attributes.

First on the list is the Strawberry Point neighborhood, known for its stunning waterfront views and proximity to the Strawberry Point Elementary School. This family-friendly enclave is a draw for those who appreciate outdoor activities and want to take advantage of the scenic walking paths and biking trails overlooking the bay.

Adjacent to Strawberry Point is the Harbor Point neighborhood, an area characterized by luxury waterfront homes and condominium complexes. It's a stone's throw away from the Harbor Point Charthouse and the swimming and tennis facilities, making it a haven for those who love an active and leisurely lifestyle.

Moving inland, the Strawberry Vista neighborhood offers a more secluded and serene atmosphere. Lined with mature trees and well-manicured lawns, this hidden gem provides a tranquil retreat from the hustle and bustle of daily life.

On the other side of the community lies Tamalpais Valley, a diverse area with a mixture of housing styles, from mid-century modern homes to newer, contemporary constructions. Its rolling hills and proximity to Mount Tamalpais make it ideal for hikers and nature enthusiasts eager to explore the area's natural beauty.

For apartment dwellers, Strawberry Manor is the go-to neighborhood. This pocket of Strawberry is known for its variety of apartment complexes that cater to a range of budgets and lifestyles, all within easy reach of the town's amenities, including shopping centers and public transportation options.

Lastly, there is the Seminary neighborhood, anchored by the historic Golden Gate Baptist Theological Seminary. The area around the seminary is known for its quiet streets, a mix of architectural styles, and an academic atmosphere enriched by its collegiate history.

While Strawberry, CA, might be small, its neighborhoods each have their distinct flavor, offering residents a rich variety of environments to call home. From waterfront vistas and luxury amenities to quiet, tree-lined streets and nature at your doorstep, Strawberry's communities collectively weave a tapestry that encapsulates the best of Northern California living. Whether you're a student, a young professional, or looking to raise a family, Strawberry presents an idyllic backdrop to live, learn, and grow.

About STRAWBERRY, CA And It’s Education Institutions

Strawberry, California, a small unincorporated community nestled in Marin County, is rich with picturesque landmarks that captivate both residents and tourists alike. Although the area is not heavily populated, landmarks such as the Strawberry Point School and the Strawberry Recreation District serve as community hubs, providing a blend of educational activities and recreational opportunities. The region's history is closely tied to the settlement patterns of Marin County, where the allure of the landscape drew people seeking tranquility and natural beauty. Strawberry's position along the San Francisco Bay offers stunning views and access to the waterfront, making it a prized location for those seeking the quintessential Northern California lifestyle.

When it comes to education, the residents of Strawberry place a high value on learning and community involvement. While specific top-ranking private and public K-12 schools in Strawberry are not listed, the broader Marin County area is known for its commitment to high-quality education. For instance, families here often have access to excellent educational resources, including local libraries and after-school programs, designed to support students' academic development. The Mill Valley School District, which serves part of the Strawberry area, is recognized for its strong public schools, emphasizing student engagement and achievement. Throughout Marin County, there are several top-performing schools, both private and public, though specific rankings may vary year to year.

While there are no universities directly within Strawberry, the community's proximity to the San Francisco Bay Area means residents have access to a plethora of higher education institutions just a short drive away, including the prestigious University of California, Berkeley, and Stanford University, among others. As for the Strawberry community itself, it has evolved in composition since its inception, with a current population that reflects a suburban charm with an appreciation for nature and community. The Strawberry community does not have its own independent school district (ISD); instead, it relies on the educational structure provided by the county. Notably, the history of Strawberry, CA is not marked by a clear foundation date, but the area developed as part of the post-Gold Rush era settlement in Marin County. The current population of Strawberry is around 5,000 residents, which helps the community maintain a close-knit and intimate feel amidst the bustling San Francisco Bay Area.

Students at These STRAWBERRY, CA Schools Excel with Our Tutoring

I must clarify that Strawberry, CA, is a small area that may not house as many as 20 top schools, both private and public. However, I can provide you with a sample list of notable schools in the vicinity that might include some from nearby areas, considering the scarcity of educational institutions within Strawberry proper. Students from these schools may have benefited from tutoring services, contributing to their academic growth and development. This list is not exhaustive but offers a glimpse into the variety of educational opportunities available to students in and around Strawberry, California.

Sonora High School Located in Sonora, this public high school serves the greater area and has established a reputation for its dedication to student growth.

Summerville High School Another nearby public high school, Summerville is known for its strong athletics and academics.

Mother Lode Christian School A private school option in Tuolumne, it provides a faith-based education.

Gold Rush Charter School This charter school serves students in the Sonora area with tailored educational approaches.

Tioga High School This small public high school is located in Groveland and has a close-knit community.

Curtis Creek Elementary School Serving as a public elementary school in the area, it has a focused approach on early childhood education.

Belleview Elementary School This elementary school is known for its dedicated staff and community involvement.

Sierra Waldorf School This private school near Sonora offers alternative education inspired by the Waldorf philosophy.

Don Pedro High School A small public high school that is part of the community of nearby La Grange.

Columbia Elementary School Located in Columbia, this public school prides itself on developing a strong foundational education.

Soulsbyville Elementary School A public elementary school serving the Soulsbyville area with a commitment to student success.

Pinecrest Elementary School This public school located in Pinecrest provides education in a scenic setting.

Please note that the availability and ranking of schools can vary, and this list reflects schools that may have a footprint in the Strawberry area and its surroundings. If you require a more specific or extensive list, local education authorities or deeper research might provide additional insights, particularly for smaller areas like Strawberry, CA.

About R Programming & R Programming Tutoring

R is a programming language and free software environment designed for statistical computing and graphics support. It was created by Ross Ihaka and Robert Gentleman at the University of Auckland, New Zealand, and is currently developed by the R Development Core Team. The R language has become a de facto standard among statisticians for the development of statistical software, and is widely used for data analysis, visualization, and has diverse applications in various scientific domains.

R provides an extensive array of techniques including linear and nonlinear modeling, classical statistical tests, time-series analysis, classification, clustering, and others. R is easily extensible through functions and extensions, and the R community is noted for its active contributions in terms of packages. The Comprehensive R Archive Network (CRAN) hosts many such packages providing a wide range of utilities.

There are several types of R programming practices, from basic scripting and data manipulation to advanced statistical modeling and big data integration. Often, R is used interactively, allowing for immediate visualization of results and iterative data analysis, a feature that makes it popular in data science.

Related entities to R Programming include integrated development environments specialized for R, such as RStudio, which provides a user-friendly interface for coding. Other related entities include various data science tools and platforms that support R, such as Jupyter Notebooks, Shiny for web applications, and markdown for dynamic report generation.

Tutoring someone who struggles with R Programming should focus on a structured, step-by-step strategy that aligns with their learning style and pace. The best strategy includes:

  1. Starting with Basics: Ensure understanding of core concepts such as data types, data structures (vectors, matrices, lists, data frames), and control structures (loops, conditionals).
  2. Practical Examples: Use hands-on exercises that include real-world examples to illustrate the use of R in statistical analysis and data visualization.
  3. Incremental Complexity: Gradually move from simple tasks to complex ones, reinforcing each concept before introducing the next.
  4. Debugging Practices: Teach how to read error messages and how to debug code, which is important in developing problem-solving skills.
  5. Regular Practice: Encourage regular coding practice to build familiarity and confidence.
  6. Resources: Introduce comprehensive resources, such as R blogs, community forums, and CRAN, for further learning and troubleshooting.

The most common concepts in R programming include understanding variable assignment, data structures, package usage, and the creation of basic visualizations. However, the most difficult concepts can vary depending on the individual's background, but they often encompass advanced statistical and mathematical functions, optimization, machine learning algorithms, and techniques for large-scale data (big data) handling.

In order to effectively master R, it is essential to grasp both the syntactical elements of the language and the statistical reasoning that drives proper data analysis. This dual requirement makes some advanced concepts and techniques, such as creating custom functions, predictive modeling, and dynamic reporting, more challenging for learners.

Given the versatility of R and its ever-growing ecosystem, continuous learning and practice are key components for anyone looking to become proficient in R programming.