Data Science Desktop Survival Guide by Graham Williams
Desktop Survival Project Home Preface Data Science Introducing R R Constructs R Tasks R Strings R Read, Write, and Create Data Template Data Exploration Data Wrangling Data Visualisation Statistics ML Template ML Scenarios ML Activities ML Applications ML Algorithms Cluster Analysis Decision Trees Computer Vision Graph Data Privacy Literate Data Science Coding with Style Resources Bibliography Index

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Naming Files

20201102

1. Files containing R code use the uppercase .R extension. This aligns with the fact that the language is unambiguously called “R” and not “r.”

   Preferred

   power_analysis.R
   

   Discouraged

   power_analysis.r
   

   Some files may contain a single support function. Name the file to match the name of the function defined within the file. If a file contains the support function my_fancy_plot() then name the file as below to differentiate it from analysis scripts.

   Preferred

   my_fancy_plot.R
   

   Discouraged

   utility_functions.R
   MyFancyPlot.R
   my.fancy.plot.R
   my_fancy_plot.r
   

   R binary data filenames end in “.RData”. This is descriptive of the file containing data for R and conforms to a capitalised naming scheme.

   Preferred

   weather.RData
   

   Discouraged

   weather.rdata
   weather.Rdata
   weather.rData
   

   Standard file names use lowercase where there is a choice.

   Preferred

   weather.csv
   

   Discouraged

   weather.CSV