flodel

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flodel has asked 50 questions and find answers to 511 problems.

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flodel questions

Generalization of R objects that are either a data.frame or a matrix
dump() function producing truncated output
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

flodel answers

Hierarchical Clustering Large Sparse Distance Matrix R
maxdrawdown function
Fastest way to create the vector of mean of a vector elements in R
Calculating Euclidean Distance for Large DataSets
summing the positive values of k variables in R
Split a value in a cell and add to a newly created row in R
extracting unique combination rows from a data frame in R
regex in R - combining two patterns in "OR" fashion. Can't spot the error.
Performing boolean operation on vector using grouping from second vector
Comparing Record Results and Double For Loop