Simon O'Hanlon

Simon O'Hanlon has asked 53 questions and find answers to 327 problems.

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I like python, r and zsh. My first computer

Simon O'Hanlon questions

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
How do I reference a column in lapply which is not part of the SD?
Is paste a special argument in plotmath expressions?
R: rownames, colnames, dimnames and names in apply

Simon O'Hanlon answers

Replicate each row of data.frame and specify the number of replications for each row?
R grepl to find a pure number
Fastest way to add an element to a vector if it doesn't already exist in R
Round a POSIX date and time (posixct) to a date relative to a timezone
How to find all functions with methods for a given class
Choropleth map with R using shp file
Spatial Autocorrelation Analysis (Global Moran's I) in R
sendmailR - Attached more than one recipient
Stacking an existing RasterStack multiple times
Using R as a game simulator