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New posts in plyr
Efficient alternatives to merge for larger data.frames R
Sep 04, 2022
r
merge
dataframe
plyr
data.table
Mean of elements in a list of data.frames
Sep 04, 2022
r
list
dataframe
plyr
Standard error bars using stat_summary
Sep 03, 2022
r
ggplot2
plyr
R: Is there a good replacement for plyr::rbind.fill in dplyr?
Feb 21, 2021
r
dplyr
plyr
Sum of rows based on column value
Nov 07, 2022
r
plyr
doing a plyr operation on every row of a data frame in R
Feb 17, 2022
r
plyr
Fastest way to add rows for missing time steps?
Mar 16, 2020
r
dataframe
plyr
data.table
R: speeding up "group by" operations
Jul 10, 2014
performance
r
plyr
meaning of ddply error: 'names' attribute [9] must be the same length as the vector [1]
Jun 09, 2022
r
plyr
Object not found error with ddply inside a function
Sep 30, 2022
r
function
scope
plyr
Convert data from long format to wide format with multiple measure columns
Jul 19, 2019
r
dataframe
plyr
Aggregate a dataframe on a given column and display another column
Aug 27, 2022
r
aggregate
plyr
greatest-n-per-group
Why is plyr so slow?
Sep 23, 2022
r
dataframe
plyr
data.table
Why are my dplyr group_by & summarize not working properly? (name-collision with plyr)
Sep 15, 2022
r
plyr
dplyr
shadowing
name-collision
How to create a lag variable within each group?
Aug 25, 2022
r
data.table
plyr
dplyr
What does the dot mean in R – personal preference, naming convention or more?
Aug 17, 2022
r
coding-style
naming-conventions
plyr
dplyr: "Error in n(): function should not be called directly"
Jul 02, 2018
r
function
plyr
dplyr
conflicting-libraries
Count number of rows by group using dplyr
Aug 16, 2022
r
dplyr
count
plyr
dplyr summarise: Equivalent of ".drop=FALSE" to keep groups with zero length in output
Nov 09, 2022
r
dplyr
plyr
tidyr
Change value of variable with dplyr
Dec 14, 2021
r
dataframe
plyr
dplyr
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