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R For Machine Learning Vs Python

среда 11 марта admin 56
R For Machine Learning Vs Python 5,7/10 9839 reviews

R and Python are both open-source programming languages with a large community. New libraries or tools are added continuously to their respective catalog. R is mainly used for statistical analysis while Python provides a more general approach to data science.

R and Python are state of the art in terms of programming language oriented towards data science. Learning both of them is, of course, the ideal solution. R and Python requires a time-investment, and such luxury is not available for everyone. Python is a general-purpose language with a readable syntax. R, however, is built by statisticians and encompasses their specific language.

Python's suite of specialized deep learning and other machine learning libraries includes popular tools like scikit-learn, Keras, and TensorFlow, which enable data. Learning data science +5. Choosing Python or R for Data Analysis? An Infographic. What should I use for machine learning? I need a fast solution, so should I use Python or R? R for Data Analysis At DataCamp, we often get emails from learners asking whether they should use Python or R when performing their day-to-day data analysis.

In this tutorial, you will learn

R

Academics and statisticians have developed R over two decades. R has now one of the richest ecosystems to perform data analysis. There are around 12000 packages available in CRAN (open-source repository). It is possible to find a library for whatever the analysis you want to perform. The rich variety of library makes R the first choice for statistical analysis, especially for specialized analytical work.

The cutting-edge difference between R and the other statistical products is the output. R has fantastic tools to communicate the results. Rstudio comes with the library knitr. Xie Yihui wrote this package. He made reporting trivial and elegant. Communicating the findings with a presentation or a document is easy.

Python

Python can pretty much do the same tasks as R: data wrangling, engineering, feature selection web scrapping, app and so on. Python is a tool to deploy and implement machine learning at a large-scale. Python codes are easier to maintain and more robust than R. Years ago; Python didn't have many data analysis and machine learning libraries. Recently, Python is catching up and provides cutting-edge API for machine learning or Artificial Intelligence. Most of the data science job can be done with five Python libraries: Numpy, Pandas, Scipy, Scikit-learn and Seaborn.

Python, on the other hand, makes replicability and accessibility easier than R. In fact, if you need to use the results of your analysis in an application or website, Python is the best choice.

Popularity index

The IEEE Spectrum ranking is a metrics that quantify the popularity of a programming language. The left column shows the ranking in 2017 and the right column in 2016. In 2017, Python made it at the first place compared to a third rank a year before. R is in 6th place.

Job Opportunity

The picture below shows the number of jobs related to data science by programming languages. SQL is far ahead, followed by Python and Java. R ranks 5th.

If we focus on the long-term trend between Python (in yellow) and R (blue), we can see that Python is more often quoted in job description than R.

Analysis done by R and Python

However, if we look at the data analysis jobs, R is by far, the best tool.

Percentage of people switching

There are two keys points in the picture below.

  • Python users are more loyal than R users
  • The percentage of R users switching to Python is twice as large as Python to R.

Difference between R and Python

ParameterR Python
Objective Data analysis and statistics Deployment and production
Primary Users Scholar and R&D Programmers and developers
Flexibility Easy to use available library Easy to construct new models from scratch. I.e., matrix computation and optimization
Learning curve Difficult at the beginning Linear and smooth
Popularity of Programming Language. Percentage change 4.23% in 2018 21.69% in 2018
Average Salary $99.000 $100.000
Integration Run locally Well-integrated with app
Task Easy to get primary results Good to deploy algorithm
Database size Handle huge size Handle huge size
IDE Rstudio Spyder, Ipthon Notebook
Important Packages and library tydiverse, ggplot2, caret, zoo pandas, scipy, scikit-learn, TensorFlow, caret
Disadvantages Slow High Learning curve Dependencies between library Not as many libraries as R
Advantages
  • Graphs are made to talk. R makes it beautiful
  • Large catalog for data analysis
  • GitHub interface
  • RMarkdown
  • Shiny
  • Jupyter notebook: Notebooks help to share data with colleagues
  • Mathematical computation
  • Deployment
  • Code Readability
  • Speed
  • Function in Python

R or Python Usage

Python has been developed by Guido van Rossum, a computer guy, circa 1991. Python has influential libraries for math, statistic and Artificial Intelligence. You can think Python as a pure player in Machine Learning. However, Python is not entirely mature (yet) for econometrics and communication. Python is the best tool for Machine Learning integration and deployment but not for business analytics.

The good news is R is developed by academics and scientist. It is designed to answer statistical problems, machine learning, and data science. R is the right tool for data science because of its powerful communication libraries. Besides, R is equipped with many packages to perform time series analysis, panel data and data mining. On the top of that, there are not better tools compared to R.

In our opinion, if you are a beginner in data science with necessary statistical foundation, you need to ask yourself following two questions:

  • Do I want to learn how the algorithm work?
  • Do I want to deploy the model?
Machine

If your answer to both questions is yes, you'd probably begin to learn Python first. On the one hand, Python includes great libraries to manipulate matrix or to code the algorithms. As a beginner, it might be easier to learn how to build a model from scratch and then switch to the functions from the machine learning libraries. On the other hand, you already know the algorithm or want to go into the data analysis right away, then both R and Python are okay to begin with. One advantage for R if you're going to focus on statistical methods.

Secondly, if you want to do more than statistics, let's say deployment and reproducibility, Python is a better choice. R is more suitable for your work if you need to write a report and create a dashboard.

In a nutshell, the statistical gap between R and Python are getting closer. Most of the job can be done by both languages. You'd better choose the one that suits your needs but also the tool your colleagues are using. It is better when all of you speak the same language. After you know your first programming language, learning the second one is simpler.

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Conclusion

In the end, the choice between R or Python depends on:

  • The objectives of your mission: Statistical analysis or deployment
  • The amount of time you can invest
  • Your company/industry most-used tool