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New posts in plyr

Breaking a list of character strings into partitions

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Subset a list - a plyr way?

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Producing a rolling average of ALL the previous observations per ID in an unbalanced panel data set

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Longest consecutive count of the same value per group

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How to Vectorize this R code Using Plyr, Apply, or Similar?

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continuous subgroups with ddply

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Turning a data.frame into a single row

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Beginner tips on using plyr to calculate year-over-year change across groups

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How to calculate percentage for each cell in a dataframe using ddply?

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R: using ddply with a function

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R: using ddply to apply functions to subsets of data

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Creating a column to enumerate a set of events

r plyr dplyr

How to rewrite a "sapply" command to increase performance?

performance r plyr sapply

R: remove columns based on two column's similarity check

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Analog of 'ave' in plyr?

r grouping plyr

Iterating in R to spell check a vector of words

r loops iterator spell-checking plyr

ddply summarise string operation

r plyr

how to operate with a subset of an R dataframe in long format?

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R: Roll up column values containing NA's by sum while grouping by ID's

r data.table aggregate plyr dplyr

R resetting a cumsum to zero at the start of each year

r plyr
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