Re: [R] The Suggests field in a DESCRIPTION file.

On 11/18/18 11:22 AM, Fox, John wrote: Dear Rolf, "fortunes" needs to be quoted in requireNamespace("fortunes", quietly=TRUE). I hope this helps, John Thanks. I actually figured this out myself, just before getting your message! cheers, Rolf -- Technical Editor ANZJS Department of

Re: [R] The Suggests field in a DESCRIPTION file --- never mind!!!

I figured it out. The package name in the call to requireNamespace() has to be a *text string*. I should've had: fortOK <- requireNamespace("fortunes",quietly=TRUE) So require() takes a package name, but requireNamespace() takes a *string* specifying the package name. Trap for young

Re: [R] The Suggests field in a DESCRIPTION file.

Dear Rolf, "fortunes" needs to be quoted in requireNamespace("fortunes", quietly=TRUE). I hope this helps, John - John Fox Professor Emeritus McMaster University Hamilton, Ontario, Canada Web:

[R] The Suggests field in a DESCRIPTION file.

I am building a package which contains a function from which I wish to call the fortune() function from the fortunes package --- if that package is available. I have place the line Suggests: fortunes in the DESCRIPTION file. In my code for the function that I am writing (let's call it

Re: [R] Multiplication of regression coefficient by factor type variable

You shouldn't have to do any of what you are doing. See ?predict.lm and note the "newdata" argument. Also, you should spend some time studying a linear model text, as your question appears to indicate some basic confusion (e.g. about "contrasts" ) about how they work. Bert Gunter "The

[R] Multiplication of regression coefficient by factor type variable

Dear all, In a context of regression, I have three regressors, two of which are categorical variables (sex and education) and have class 'factor'. y = data$income x1 = as.factor(data$sex) # 2 levels x2 = data$age # continuous x3 = as.factor(data$ed) # 8 levels for example, the first entries

Re: [R] which() function help page precision

Hi again (, I am the PO from my own email account) I agree that the word "basically" puts the NA issues aside. But my point is that R subsetting behavior when there are NAs in a logical index is quite tricky to say the less, and deserves the trouble of pointing it out in every place it is