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New posts in r
Longest consecutive count of the same value per group
Feb 23, 2021
r
group-by
dplyr
data.table
plyr
Why is it valid to slice a vector starting with index zero?
Mar 30, 2022
r
Top N rows by group using python datatable
Aug 22, 2022
python
r
py-datatable
Saving H2o data frame
Jul 15, 2022
r
h2o
How to specify a customized paper size in r markdown
Jun 30, 2022
r
latex
r-markdown
knitr
Remove trailing NA by group in a data.frame
Aug 25, 2019
r
dataframe
dplyr
na
zoo
How to combine multiple character columns into one columns and remove NA without knowing column numbers
Feb 20, 2022
r
dplyr
Split line by multiple points using sf package
Jan 23, 2022
r
split
gis
point
sf
xml_find_all function from xml2 package (R) does not find relevant nodes
Nov 12, 2021
r
xml
xml2
Lapply to a list of dataframes only if column exists
Oct 13, 2020
r
if-statement
conditional-statements
lapply
R - How to both unlist and concatenate
Sep 26, 2022
r
list
data-structures
How do I use setwd in a relative way?
Jul 03, 2022
r
git
Calculate relative change in time by group
Oct 24, 2022
r
dataframe
grouping
How to define a function in dplyr?
Mar 02, 2022
r
function
dplyr
How to remove function from list in R?
Sep 07, 2022
r
list
nonatomic
Iterate over columns of a matrix in R
Jun 22, 2022
r
matrix
Remove columns with NA's and/or Zeros Only
Jul 04, 2022
r
na
zero
How to delete rows for leading and trailing NAs by group in R
Jul 11, 2022
r
group-by
na
delete-row
How to order a list by a custom function, discarding duplicates?
Apr 19, 2022
r
sorting
Count the number of values between value and value - x by variable
Nov 10, 2022
r
count
data.table
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