[R] one sample t-test

Hello, I am reasoning about a question concerning the t-test for one sample. My data includes 150 values (mean 10.07) which I want to compare to mu=9. A tow-sided t-test yields > t.test(data,mu=9) One Sample t-test data: data t = 3.0099, df = 149, p-value = 0.00307 alternative hypothesi

[R] apropos and find

Hello, I'm starting working myself in the use of R, reading M. J. Crawley, The R Book. The problem I do encounter is concerning the commands apropos and find: > apropos(edit) Fehler: is.character(what) is not TRUE > find(edit) Fehler: is.character(what) is not TRUE I get the same error message ty