Grouping functions (tapply, by, aggregate) and the *apply family Grouping functions (tapply, by, aggregate) and the *apply family r r
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Grouping functions (tapply, by, aggregate) and the *apply family
r
lapply
sapply
tapply
r-faq
lien
r
Access lapply index names inside FUN
r
lapply
names
indices
lien
r
passing several arguments to FUN of lapply (and others *apply)
r
lapply
lien
r
Read all files in a folder and apply a function to each data frame
r
list
lapply
summary
lien
r
Access and preserve list names in lapply function
r
names
lapply
lien
r
Creating a named list from two vectors (names, values)
r
list
constructor
lapply
named
lien
r
Faster way to read fixed-width files
r
substring
data.table
apply
lapply
lien
r
How to tell lapply to ignore an error and process the next thing in the list?
r
error-handling
try-catch
lapply
lien
r
lapply with "$" function
r
lapply
lien
r
Read multiple CSV files into separate data frames
r
csv
file
lapply
lien
r
Apply function on a subset of columns (.SDcols) whilst applying a different function on another column (within groups)
r
data.table
subset
lapply
lien
r
How do you read multiple .txt files into R? [duplicate]
r
lapply
fread
read.table
readr
lien
r
Using lapply to apply a function over list of data frames and saving output to files with different names
r
dataframe
lapply
lien
r
lapply vs for loop - Performance R
r
performance
lapply
lien
r
How to index an element of a list object in R
r
list
indexing
lapply
read.table
lien
r
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