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by Graham Williams
Duck Duck Go



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Miscellaneous

20200105

resume
Do not use the semicolon to terminate a statement unless it makes a lot of sense to have multiple statements on one line. Line breaks in R make the semicolon optional.

Preferred

threshold <- 0.7
maximum   <- 1.5
minimum   <- 0.1

Alternative

threshold <- 0.7; maximum <- 1.5; minimum <- 0.1

Discouraged

threshold <- 0.7;
maximum   <- 1.5;
minimum   <- 0.1;

Do not abbreviate TRUE and FALSE to T and F.

Preferred

is_windows  <- FALSE
open_source <- TRUE

Discouraged

is_windows  <- F
open_source <- T

Separate parameters in a function call with a comma followed by a space.

Preferred

dialPlot(value=78, label="UseR!", dial_radius=1)

Dicouraged

dialPlot(value=78,label="UseR!",dial_radius=1)


Support further development by purchasing the PDF version of the book.
Other online resources include the GNU/Linux Desktop Survival Guide.
Books available on Amazon include Data Mining with Rattle and Essentials of Data Science.
Popular open source software includes rattle and wajig.
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