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Extracting the last n characters from a string in R
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.
r - split character data into numbers and letters - Stack Overflow
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.
r - First letter to upper case - Stack Overflow
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. –
Getting and removing the first character of a string
Selecting the first letter is trivial as previous answers: substring(x,1,1) Share. Improve this answer ...
r - Automatically adding letters of significance to a ggplot barplot ...
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.
r - How to generate a compact letter display for pairwise …
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:
r - How to plot alphabets? - Stack Overflow
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):
Extract letters from a string in R - Stack Overflow
Jun 18, 2015 · None of the answers work if you have mixed letter with spaces. Here is what I'm doing for those cases ...
r - Uppercase the first letter in data frame - Stack Overflow
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.
What does the capital letter "I" in R linear regression formula mean ...
) 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",