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New posts in apply
In R, is there a tabular data structure that can have more than 2^31 cells and to which `apply` can be applied?
Mar 10, 2026
r
matrix
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Applying a function between specific pairs of columns in a matrix in R
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r
matrix
apply
lsa
creating a new column in polars applying a function to a column
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xml
apply
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For each row extract the value in the column name that match another value in the cell
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r
dataframe
dplyr
apply
sapply
Looking for an apply, tidyr or dplyr solution to a nested for loop situation in R
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r
for-loop
dplyr
nested
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Running sum on a column conditional on value
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r
vector
apply
cumulative-sum
R - conditional incrementation
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r
dataframe
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Create columns with .apply() Pandas with strings
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python-3.x
string
pandas
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pandas-apply
apply a function to a subset of a data frame but retain the whole data frame
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r
dataframe
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Change colour of text of a column based on the value of another column within the same dataframe using pandas stylers
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python
pandas
dataframe
apply
pandas-styles
Reverse geocoding speed
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r
apply
ggmap
Count occurrences of strings in a dataframe
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python
string
pandas
dataframe
apply
How to efficiently apply multiple functions simultaneously to the same dataframe and save the results as a list of dataframes?
Feb 28, 2026
r
apply
purrr
Apply function on array returning original number of dimensions
Feb 25, 2026
r
arrays
apply
How to improve performance for huge datasets by substitute a "for-loop" and "if-else" clauses
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r
performance
if-statement
for-loop
apply
r - Lag a data.frame by the number of NAs
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r
function
apply
lag
R: using apply function on a list to get mean of multiple values
Feb 23, 2026
r
apply
mean
Extract same index elements from a list
Feb 23, 2026
r
list
apply
Using apply to replace nested for loop
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r
for-loop
apply
lapply
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