Does R have an assert statement as in python?

a statement that checks if something is true and if not prints a given error message and exits

Solution

stopifnot()

You may also be interested in packages like Runit and testthat for unit testing.

Converting the row of a data.table to a vector
ggplot multi-line log-log labels
dplyr filter vector by position in pipe %>%
Removing white spaces in a histogram?
How to assign and match land cover type from Corine to a dataframe with a set of lon lat coordinates?
Error in list2env(list, envir = .GlobalEnv) : names(x) must be a character vector of the same length as x
How to traverse hclust internal node in R
How are the abbreviations from the par function like mgp, mar, mai, deciphered?
How to map over function with multiple arguments (and changing data)?
Join/fill in data based on both row and column values
How to plot a Log Pearson III distribution using `ggplot2` in R?
Variable names and Easystats reports
R plotly(): Adding regression line to a correlation scatter plot
How to Use ifelse Statements in R
Creating subgraphs from neighbors with max weight in R using igraph
merge based on id and dates with missing data
Automatically adjust the size of the text inside each bar on a bar plot using ggplot2 in R
gghighlight and facet_wrap one always highlighted
Mask and Crop functions in Terra R
How to use a variable in dplyr::filter?
Changing R Temporary Files
How do you add a general label to facets in ggplot2?
change colour of controls in R DT datatable
Click Button Within Datatable to Display Popup Twice in a row
How to display values in filter with ascending order
Select Data From Column in Data Table
Warning: Error in dataTableOutput: unused argument (height = "auto")
How to have cells with rounded corners in {gt}?
Two colours in the same box
Change color of datatable filter dropdown box