WebThe convention with apply and by is that the unnamed object being passed to a target function "sticks" (gets matched to) to the first otherwise unmatched parameter. They have a "dots" parameter that carries "further parameters" that get matched by name. The help page Usage section of the target is essential reading to use apply/by/tapply "functionals" properly. WebNov 21, 2024 · Recent in Data Analytics. How to Use rbind and cbind on Single Dataframe Jul 22, 2024 ; Speed up the loop operation in R Jul 20, 2024 ; Create data frame from function in R Jul 9, 2024 ; All Levels of a Factor in a Model Matrix in R Jul 9, 2024 ; Extracting specific columns from a data frame Jul 6, 2024
R : Why do I get this error message "could not find function …
WebFeb 26, 2024 · How to Fix: could not find function “ggplot” in R. 2. How to Fix: names do not match previous names in R. 3. How to Fix in R: Argument is not numeric or logical: … WebNov 15, 2024 · Introduction to Statistics is our premier online video course that teaches you all of the topics covered in introductory statistics.Get started with our course today. punto pneus srl
"could not find function" when running examples in package check
WebNov 1, 2015 · 1 Answer. Sorted by: 6. You need to call library (class) on each of the nodes. foreach makes this easy via the .packages argument. system.time (foreach ( icount (countrows), .packages="class" ) %dopar% { summary (knn (train, test, cl, k=25, prob = TRUE)) }) You might also need to export train, test, and cl. WebJun 17, 2024 · 1. It's not sufficient to have a package under Imports in the DESCRIPTION file (study Writing R Extensions). You must additional import specific (or all) functions in your NAMESPACE file. An alternative option would be to list the package under Depends in your DESCRIPTION file. But that's not recommended practice (in particular for dplyr which ... WebOct 19, 2016 · I'm not sure then - if the package is installed and loaded sucessfully, and there is an LDA function (remembering that R is case sensitive so lda and LDA are not the same), then it should work. – thelatemail. Oct 19, 2016 at 2:15. 2. punto poste kipoint