Feb 2, 2015 · > text<-"some text in a string" # we want to have only the last word "string" with 6 letter > n<-5 #as the last character will be counted with nchar(), here we discount 1 > substr(x=text,start=nchar(text)-n,stop=nchar(text)) This will bring the last characters as desired.

The above pattern will match (but not consume) when either the previous character is a letter and the following character is a number, or vice-versa. Note that we use strsplit in Perl mode to access lookarounds.

Jan 24, 2016 · This does not answer the question, as str_to_title converts every letter in the string to lowercase, except the first letter of each word. E.g., str_to_title("AB ABC abc") returns Ab Abc Abc. So, among other things, it destroys acronyms. –

Selecting the first letter is trivial as previous answers: substring(x,1,1) Share. Improve this answer ...

Sep 24, 2021 · This chapter on using the compact letter display may be of interest to you. Note that it especially goes into why I put the caption below the ggplot. Furthermore, I believe that jared_mamrot changed one important thing compared to what you asked for.

Aug 31, 2019 · The package also has a function (cld) to print the "compact letter display." As an example we can use the iris data set that comes with R: As an example we can use the iris data set that comes with R:

Mar 8, 2017 · There is now an R package on GitHub that provide coordinates for the Hershey fonts that Ben Bolker mentioned: hershey. For example, we can get coordinates for the start and end of each stroke (line) in the letter A, for the Roman Simplex font (a simple font using minimal straight lines to create letters):

Jun 18, 2015 · None of the answers work if you have mixed letter with spaces. Here is what I'm doing for those cases ...

Apr 27, 2013 · And I would want to uppercase the first letter in the first column, like this: > data Manufacturers Models 1 Audi RS5 2 Bmw M3 3 Cadillac CTS-V 4 Lexus ISF I would appreciate any help on this question. Thanks a lot.

) from the gaze of R's formula parsing code. It allows the standard R operators to work as they would if you used them outside of a formula, rather than being treated as special formula operators. For example: y ~ x + x^2 would, to R, mean "give me: x = the main effect of x, and; x^2 = the main effect and the second order interaction of x",