Re: [R] Errors and OS Differences with as.POSIXct and as.POSIXlt

2021-01-19 Thread Bill Denney
There are many caveats about OS specificity on the strptime help page, but most of them have to do with formatting and fewer with validation. My reading of the strptime page indicates that conversion with as.POSIXct() will validate daylight savings times which the examples I gave indicate it is no

Re: [R] Errors and OS Differences with as.POSIXct and as.POSIXlt

2021-01-19 Thread Rui Barradas
Hello, R 4.0.3 on Ubuntu 20.04, sessionInfo() below. A fix is to use as.POSIXct instead: rui@rui:~$ Rscript --vanilla -e 'as.POSIXlt("2018-03-11 02:09", tz="America/New_York")' #[1] "2018-03-11 02:09:00 EDT" rui@rui:~$ Rscript --vanilla -e 'as.POSIXct("2018-03-11 02:09", tz="America/New_York

Re: [R] Errors and OS Differences with as.POSIXct and as.POSIXlt

2021-01-19 Thread Jeff Newmiller
This is as described in the documentation, due to OS differences, e.g [1]. [1] https://stat.ethz.ch/R-manual/R-devel/library/base/html/strptime.html On January 18, 2021 5:56:11 PM PST, Bill Denney wrote: >Hello, > > > >Dates created with as.POSIXct differ between Windows/Mac and Linux. >Specif