janosdivenyi

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janosdivenyi has asked 25 questions and find answers to 5 problems.

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janosdivenyi questions

How to calculate deviations from weighted mean in data.table?
dplyr's mutate_each within function works but matches() does not find argument
How to pipe forward a ggplot object?
data.table setnames combined with regex
ifelse with multiple condition for creating new variable in data.table R [duplicate]
How to avoid same column names when multiple transformations in data.table?
How to make label and box align next to each other in shiny::numericInput?
Why does dplyr's mutate() change the time format?
Use dplyr's summarise and summarise_each together?
How to control new variables' names after tidyr's spread?

janosdivenyi answers

How to avoid same column names when multiple transformations in data.table?
How to calculate deviations from weighted mean in data.table?
data.table objects assigned with := from within function not printed
How to add lag and lead to each observations for more variables excluding NAs within data.table?