Simon O'Hanlon

Simon O'Hanlon has asked 56 questions and find answers to 355 problems.

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I like python, r and zsh. My first computer

Simon O'Hanlon questions

Inconsistency when getting class attribute of different R objects using C function
Merge a large list of logical vectors
Can data.table handle identical column names when using .SDcols?
Logical operators - short (relational) vs long (vector) forms
Speed of vectorized operation dependent of number of columns of data.frame
Clip lines to plot area and display text outside plot area
Why does tempdir() adds extra slash at end of directory tree on osx?
Changing Git protocol for RStudio project already under version control in Windows
data.table::fread doesn't like missing values in first column
combn unclasses factor variables

Simon O'Hanlon answers

Recycle a vector of characters in negative and positive direction
How to manipulate multiple columns in R
does white space slow down processing
Setting the values in a matrix row from within an parallel sapply in R
Speed-optimized loop through single cells of a RasterStack object
How to merge table and match names for column with multiple factors
R - indices of matching values of two data.tables
Split a character string by the symbol "*"
R - Understanding output of regexpr
Split and unsplit a dataframe in four parts