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New posts in plyr

collapsing rows in a data frame while merging another column value

r merge dataframe plyr reshape2

Split data.frame by variable and apply function referring to concrete row

r dataframe data.table plyr

Problems with ddply for splitting a large number of categories in R

r transform plyr large-data

Getting R Frequency counts for all possible answers

r plyr

How can I improve the performance of my data cleaning code that currently uses ddply by using data.table?

performance r data.table plyr

How can I pass values in ddply based on a column?

r dataframe plyr

Using grepl to extract a value from text across multiple columns

r if-statement plyr grepl

Extract reachable rows based on id

Create a new variable that is the average of one variable conditional on two other variables (and maintain all other variables in the data set)

r dplyr plyr

Conditional summing across columns with dplyr

r dataframe dplyr plyr summarize

Reorder factor levels: Specify first level only

r plyr dplyr

Matching rows to columns and counting same occurences R

r dataframe dplyr plyr tidyr

Error in code from split-apply-combine paper - how to resolve?

r plyr

Subsetting while summarizing data with ddply

r plyr

Extract Group Regression Coefficients in R w/ PLYR

r plyr

How do I preserve list names when working with nested lists?

r plyr

Get and process entire row in ddply in a function

r plyr

Apply custom function to each subset of a data frame and result a dataframe

r dplyr plyr tapply

ddply for entire data with no groups?

r plyr

Speed up quantile calculation