Displaying 3 results from an estimated 3 matches for "sasism".
2004 Aug 09
1
linear regression
Dear Consultant
I've done linear regression successfully on R a few times before. But this
time it keeps telling me:-
"Error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, ...) :
0 (non-NA) cases"
The model is:-
fm1 <- lm(TS.CM ~ AGE + SEX + HFE.Y.01 + TFC2B.01 + HFE.Y.01*TFC2B.01, data
= IRONresults, subset = DIAG2.1D == 0)
summary (fm1)
TS.CM is a
2007 Jan 21
1
Can we do GLM on 2GB data set with R?
We are wanting to use R instead of/in addition to our existing stats
package because of it's huge assortment of stat functions. But, we
routinely need to fit GLM models to files that are approximately 2-4GB
(as SQL tables, un-indexed, w/tinyint-sized fields except for the
response & weight variables). Is this feasible, does anybody know,
given sufficient hardware, using R? It appears to
2009 Dec 03
4
Data Manipulation Question
Can R support data manipulation programming that is available in the SAS datastep? Specifically, can R support the following:
- Read multiple dataset one record at a time and compare values from each; then base on if-then logic write to multiple output files
- Load a lookup table and then process a different file; based on if-then logic, access and lookup values in the table