search for: vs30

Displaying 2 results from an estimated 2 matches for "vs30".

Did you mean: v30
2009 Aug 27
1
Problem merging two data frames
Hello everyone, Merging two dataframes should be easy. However when I try to merge, R doesn't recognize identical values, even if I am doing it by values that have no decimals. willclayong: vs30 LON LAT Net X wills.cat wills.vs30 clahan.cat clahanvs30 PolyID.wills PolyID.clahan tif.cat STA ELEVATION tif.vs30 1 338.539 -3849590 4319319 <NA> 2 D 301 D 377 1958 1942 1 150 NA 519 2 712.822 -3849590 4319319 <NA>...
2009 Aug 25
0
Fwd: Overlay on raster loses points when merging with data frame
...ot;)) NGAfiledata<-unique(NGAfiledata) NGAfiledata<-remove.na.rows(NGAfiledata) The length should obviously still be 854. What happened to the missing rows? How can I get them back? Thank you very much!! Here is a sample of what the data looks like: LON LAT Net STA ELEVATION vs30 tif.cat 1 -3086165 3718184 CI NEE2 271 363 8 2 -3143337 3500449 CI EMS 11 336 14 3 -3155773 3704130 CI DAN 428 304 4 4 -3173788 3722206 CI GRP 978 509 4 5 -3188256 3548775 EN SIM -64 264 NA 6 -3193879 3549663 EN RED...