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New posts in plyr
Using plyr to match column values in two data frames
Aug 10, 2026
r
plyr
data.table
Padding or filling a dataframe in R if I know the range
Aug 06, 2026
r
dplyr
plyr
Find maximum from combination of two tables (for-loop too slow)
Aug 04, 2026
r
plyr
data.table
reshape2
Seasonal aggregate of monthly data
Aug 04, 2026
r
aggregate
plyr
zoo
reshape2
make a list of lm objects, retain their class
Aug 03, 2026
r
plyr
Preserve ordered factor when using ddply
Jul 23, 2026
r
plyr
r-factor
Counting Falses before Trues in R
Jul 22, 2026
r
plyr
Simple moving average on an unbalanced panel in R
Jul 04, 2026
r
data.table
plyr
panel-data
split-apply-combine
R-Operating on subset of columns from dataframe with ddply
Jul 02, 2026
r
dataframe
plyr
dot-product
R: Find max value for column among a subset of a data frame
Jun 25, 2026
r
dataframe
max
subset
plyr
Extract the indices of the top nth values for each element in dataframe
Jun 21, 2026
r
sorting
dataframe
plyr
How to create multiple ,csv files in R?
Jun 17, 2026
r
plyr
In R, sum over all rows above a given row and restarting at new ID?
Jun 16, 2026
r
sum
conditional-statements
plyr
Converting data.frame to a list of list of list of lists
Jun 15, 2026
r
list
dplyr
plyr
Easily check whether an objective was recorded in other variable?
Jun 12, 2026
r
dataframe
dplyr
data.table
plyr
How do I take subsets of a data frame according to a grouping in R?
Jun 04, 2026
r
dataframe
plyr
aggregation
Count how many orders were shared between customers
Jun 04, 2026
sql
r
dplyr
plyr
sqldf
R - get the most common string value (mode) for a given time period
Jun 02, 2026
string
r
plyr
mode
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