27.2 Naming Files
20201102
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
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