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2010 Mar 20
3
How to select a row from one dataframe that is "close" to a row in another dataframe
...rCd" [3] "MkdFltNbr" "DprtTrpnStnCd" [5] "ArrTrpnStnCd" "ActualOutLocalTimestamp" [7] "ActualOffLocal" "ActualOnLocal" [9] "ActualInLocal" "ArrivalGate" [11] "DepartureGate" "Flight" [13] "OnDate" "MinutesIntoDay" [15] "OnHour" "pt" > names(runway) [1] "OnDateTime" "IATA"...
2010 Apr 01
2
pdf files in loops
I need to make a bunch of PDF files of histograms. I tried gatelist = unique(mdf$ArrivalGate) for( gate in gatelist) { outfile = paste("../", airport, "/", airport, "taxiHistogram", gate, ".pdf", sep="") pdf(file = outfile, width = 10, height=8, par(lwd=1)) title=paste("Taxi time for Arrival Gate", gate, &qu...
2010 Apr 16
6
bwplot puts the bars in the wrong place
Dear R-Help, With the attached data set, I am still getting incorrect bwplots > xyplot(gdf$tt~gdf$OnHour |gdf$Runway, data=gdf) # Is correct > bwplot(gdf$tt~gdf$OnHour |gdf$Runway, data=gdf, horizontal=FALSE) # Puts the boxes on the wrong x-axis values # look especially at 0 and 3. How do I fix this? What is happening? Thanks, Jim Rome