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