Beasterfield

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Beasterfield has asked 18 questions and find answers to 31 problems.

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Beasterfield questions

Does Rmpi require an active Internet connection?
Sourcing r-files only once on Rserve
apply over nested functions
access plyr id variables within functions
How to use tapply and preserve order of values
Installation of package ncdf fails due to missing header although it's there
Equivalent for dlply in data.table
Making a ternary plot
Marking specific tiles in geom_tile() / geom_raster()
Does mutate change tbl by reference?

Beasterfield answers

Use data.table in R to add multiple columns to a data.table with = with only one function call
Replace NA with mean matching the same ID
Replace empty values with value from other column in a dataframe
Conditional Cumulative Sum in R
Equivalent for dlply in data.table
R: handling and plotting grouped data
programmatically adding new variables to a dataframe
How to “flatten” or “collapse” a 2D data frame into a 1D data frame in R?
Shiny's tabsetPanel not displaying plots in multiple tabs
Call custom function with if statement in the summarize function in dplyr