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New posts in r
Convert one column into a new column every 5 rows (a numeric interval)
Dec 21, 2022
r
multiple-columns
Apply function between rows, grouped by a variable, computing all possible combinations between variable in other column
Dec 21, 2022
r
dataframe
Use purrr::map to apply multiple arguments to a function
Dec 20, 2022
r
ggplot2
dplyr
magrittr
purrr
Replacing a string in column names in dataframe in R with grepl
Dec 21, 2022
r
dataframe
gsub
Scraping html table and its href Links in R
Dec 21, 2022
html
r
xpath
rvest
Problems installing R packages from source in RStudio - Ubuntu 16.04
Dec 21, 2022
r
rstudio
ubuntu-16.04
How to save a leaflet map in Shiny
Dec 20, 2022
r
shiny
leaflet
r-leaflet
Sparklyr/Hive: how to use regex (regexp_replace) correctly?
Dec 20, 2022
r
apache-spark
hive
sparklyr
plotting a sf object with geom_sf() with any projection other than lat-long
Dec 21, 2022
r
ggplot2
axes
map-projections
sf
Convert factor into logical datatype
Dec 20, 2022
r
data-conversion
Weird : cumsum not working on dplyr
Dec 21, 2022
r
dplyr
cumsum
tibble
add leading 0 at a specific position in a string (R)
Dec 21, 2022
r
regex
string
leading-zero
Error in model.frame.default(Terms, newdata, na.action = na.action, xlev = object$xlevels): factor X has new levels
Dec 21, 2022
r
logistic-regression
data.table cutoff row after duplicate
Dec 21, 2022
r
data.table
Changing Leaflet map according to input without redrawing (multiple polygons)
Dec 20, 2022
r
shiny
leaflet
polygons
count number of observations between two overlapping dates r
Dec 20, 2022
r
date
dataframe
Add jitter to box plot using markers in plotly
Dec 20, 2022
r
plot
plotly
boxplot
jitter
Create a new column based on an index column
Dec 19, 2022
r
dataframe
dplyr
tidyverse
Summarise_each for first non-NA value
Dec 20, 2022
r
dplyr
summarize
How do I remove all the Chinese characters from a string?
Dec 20, 2022
r
string
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