Displaying 1 result from an estimated 1 matches for "data_dump_4".
2007 Apr 08
0
locate nearest value in lookup table
...vector, and used that entry in the lookup table. Hoerver,
This does not always produce logical results...
here are the steps:
# read in the data
soil <- read.table("http://169.237.35.250/~dylan/temp/munsell-all.dat",
header=T)
x <- read.csv('http://169.237.35.250/~dylan/temp/data_dump_4-7-2007.csv',
header=FALSE)
# extract important variables X,Y,Z
c <- data.frame(id=x$V1, X=x$V2, Y=x$V3, Z=x$V4)
# convert munsell to XYZ
soil$X <- soil$x * (soil$Y/soil$y)
soil$Y <- soil$Y
soil$Z <- (1 - soil$x - soil$y) * (soil$Y / soil$y)
## init some vars and try to find the...