Re: [Rd] Package Dependency

2015-12-01 Thread Duncan Murdoch
On 01/12/2015 2:19 PM, Paul Johnson wrote: Lately, I see a dependency problem with R-3.2 systems. install.packages allows dependencies, but they are not installed so the install fails. You are saying you only want dependencies listed in the "Depends" field of DESCRIPTION. Many packages nowada

[Rd] Package Dependency

2015-12-01 Thread Paul Johnson
Lately, I see a dependency problem with R-3.2 systems. install.packages allows dependencies, but they are not installed so the install fails. I see this a lot with students who are able to install packages like ggplot2 but then can't load it because a dependency "stringi" is missing. Those studen

Re: [Rd] Inconsistency in treating NaN-results?

2015-12-01 Thread Mark van der Loo
Thank you very much, Greg and Bill for clearing things up. As said, it was more out of curiosity then anything else. I think my examples were not completely inconsistent (as Greg mentioned) since arithmetic operations that generate NaN's do so without warning: > Inf - Inf [1] NaN > 0/0 [1] NaN,