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New posts in 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
How to pivot_longer a set of multiple columns? and How to go back from that long format to original wide?
May 27, 2026
r
dplyr
plyr
How to group by sum of measurement variables without explicitly naming them?
May 25, 2026
r
aggregate
plyr
How can I efficiently use R to add summary rows with 0 cases?
May 25, 2026
r
plyr
Efficient method to filter and add based on certain conditions (3 conditions in this case)
May 24, 2026
r
data.table
plyr
dplyr
subset-sum
R ddply with multiple variables
May 20, 2026
r
plyr
Calculating weightedMedian (matrixStats) coloumnwise by category
May 20, 2026
r
dataframe
plyr
median
Correlation matrix by group
May 11, 2026
r
plyr
correlation
hmisc
Inequality based conditional cumulative sum in R
May 09, 2026
r
data.table
plyr
Merging .csv files with R [duplicate]
May 02, 2026
r
plyr
Better & faster way to sum & ifelse for a large set of columns in a big data frame using ddply R
Apr 30, 2026
r
dplyr
plyr
Retrieving country coordinates from latitude and longitude
Apr 30, 2026
json
r
plyr
dplyr
Apply function to complex subset in data.table
Apr 27, 2026
r
data.table
plyr
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