jogo

jogo has asked 1 questions and find answers to 68 problems.

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using R since 2003 (R 1.7.1)
programming since 1981

jogo questions

Why does '->'(12, b) give an error?

jogo answers

mutate per group by in R
Aggregating if each observation can belong to multiple groups
Vectorising a cross product of vector and matrix with consecutive indices in R
Subtract a two-level group mean from every observation in a data.frame
aggregate across multiple vectors, retain entries that only have NAs for particular vectors
Call function with default Parameter on condition
How to save the for loop output as data.frame in R?
Calculating cumulative standard deviation by group using R
Decreasing Partial Sorting
calculate summary by group and bring value back in the dataframe [duplicate]