flodel

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flodel has asked 48 questions and find answers to 492 problems.

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flodel questions

unconditional warnings when recycling
conditional inclusion of arguments in a function call
automatically detect date columns when reading a file into a data.frame
why does `x[0]` return a zero-length vector?
Why does `a ^ b` return a numeric when both `a` and `b` are integers?
preserve old (pre 3.1.0) type.convert behavior
setting environment variables programmatically
`as.na` function
Why are some of the logical operators so slow?
"replace" function examples

flodel answers

getting odd value when trying to replace NA when using R
How to assign to a list in R without creating a bunch of new elements?
Reordering a paired variable
problems with data preparation
Fastest way to make expanding sequence [duplicate]
Delete a Value if it is not contained in another Column, in R
Traceback through a Matrix of Directions in R
In limSolve package, LSEI error: inequalities contradictory
How to detect sequential event change properly in R data frame
R - sequence of continuous cases where end1 == start2