search for: pa2207

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2011 May 23
1
weird problem - R is not finding the data for the factor level present in the data
...w/ 110 levels "500","501","503",... 108 levels of this factor happen to be numbers "500", "501", "503", ... "880","881" But the last 2 levels are strings: >levels(daily$dma_id)[109:110] [1] "OH1054" "PA2207" I checked in the raw data file (.txt) that there are no spaces in these last 2 levels, that there is nothing weird. There is nothing. When I do the following with any level of that factor, I get the data I am expecting: >daily$dma_id[daily$dma_id %in% levels(daily$dma_id)[108]] [1] &quot...