search for: subdataset

Displaying 3 results from an estimated 3 matches for "subdataset".

2011 Jul 06
2
time zone issue - beginners question
Hello all! As beginner I'm struggling for a while with time zones issue and can't find a suitable solution. I would be grateful for any help. Dataset imported from excel has a variable transplant.date which has been recorded with CET time zone. > subDataset$transplant.date [1] "2000-01-01 CET" "2000-01-01 CET" "2000-01-02 CET" "2000-01-02 CET" "2000-01-02 CET" "2000-01-02 CET" "2000-01-04 CET" "2000-01-04 CET" "2000-01-04 CET" "2000-01-04 CET" "20...
2003 Aug 07
2
Statistical analysis of huge datasets.
...am faced with the problem of analyzing a huge dataset (+ 2 million records, +150 variables) which does not fit into memory. I would like to know if there are pre-packaged tools (in the spirit of Insigthful I-Miner, for instance) aimed at subsampling or splitting the dataset into data-frameable subdatasets, applying functions record-wise, etc. Thank you very much for your help. Carlos J. Gil Bellosta Sigma Consultores Estad?sticos http://www.consultoresestadisticos.com
2011 Dec 13
2
OPeNDAP access with R
I am in the process of converting from Matlab to R, but a major sticking point for me at the moment is accessing data via OPeNDAP. After several hours of searching, I found that other people have discussed this functionality in the past, but it does not appear to have yet been developed. One programmer, Luke Miller, has managed a work-around by downloading ascii data from an OPeNDAP site (