[R] Question about Date Object and time zones

2024-09-24 Thread Luca Brinkmann via R-help
Hello, I have a question regarding the date objects and timezones. My current understanding is, that a Date object does only save the days from the origin and no more information about timezones or other information (please correct me if I am wrong). But if I use d = as.Date("2024-11-11") or d =

[R] Help needed! Pre-processing the dataset before splitting - model building - model tuning - performance evaluation

2024-09-24 Thread Bekzod Akhmuratov
Below is the link for a dataset on focus. I want to split the dataset into training and test set, use training set to build the model and model tune, use test set to evaluate performance. But before doing that I want to make sure that original dataset doesn't have noise, collinearity to address, no

Re: [R] Problem with converting grib file to excel

2024-09-24 Thread Bert Gunter
You might try posting on r-sig-geo if you don't get a satisfactory response here. I assume there's a lot of expertise there on handling raster-type data. Cheers, Bert On Mon, Sep 23, 2024 at 11:31 PM javad bayat wrote: > > Dear R users; > I have downloaded a grib file format (Met.grib) and I wan

[R] [R-pkgs] bit, bit64, ff and greeNsort

2024-09-24 Thread Jens Oehlschlägel
Dear package maintainers, Dear users of packages `bit`, `bit64`, `ff`, Everyone interested in sustainable sorting algorithms, I submitted updated versions for the upcoming R 4.5.0. The are only minor changes (see the NEWS files) but there is one important change in bit64:     o setting opti