KU99

KU99 has asked 2 questions and find answers to 150 problems.

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KU99 questions

how to output a list with invisible items R while showing only part of the list
Rstudio up arrow key does not display the last run command on console

KU99 answers

Count by group across multiple columns
R data.table explode column using tstrsplit
Change order of categorical variable and reference category using lm
how to remove elements in list of lists of nested lists?
R gsub encounters encoding error after update from R 4.2.1 to R 4.3.0
How does convolution work in stats::filter
How to calculate number of days between two dates in one column in R
Efficiently finding all matches of vector in lookup table, with repeats
Means across vectors of different lengths
Create Vector from One-to-Many Dataframe in R