Richie Cotton

Richie Cotton has asked 126 questions and find answers to 438 problems.

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About

I'm Head of Content Quality at DataCamp. I wrote a Learning R and Testing R Code.

My github and Bitbucket repos, LinkedIn and twitter accounts.

Richie Cotton questions

In R, how do you evaluate ... in the calling function?
How to animate points with gridSVG in a vectorised way?
Transfer data from database to Spark using sparklyr
How do you control the formatting of digits when converting lists of numbers to character?
Making non-ASCII data suitable for CRAN
Generating lognormally distributed random number from mean, coeff of variation
Non-standard subsetting of data.frames
How to store data in a Spark cluster using sparklyr?
How do you retrieve the selected text in MATLAB?
How do you test a custom expectation?

Richie Cotton answers

How do I convert correctly timezones
Reading correctly (alpha)numeric fields into R
Safe and cheap expansion of names of a factor variable in formula
Why noquote can not delete the quotes in my matrix?
why an incomplete spelled name in a R function could find a match? [duplicate]
Replace accents in string vector with Latex code
How to stop a R function if it runs for more than 30 Minutes? [duplicate]
Selecting specific XML nodes in R?
How do I label two vectors in Matlab?
Matlab: How to generate a 4x1 matrix of random variables, assuming a 4x4 correlation matrix?