search for: region4

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2004 May 03
1
Speed up graphics output?
...") split.screen(c(2,2)) #Load maps once only w <- read.shape("c:\\data\\region1.shp", dbf.data = TRUE) x <- read.shape("c:\\data\\region2.shp", dbf.data = TRUE) y <- read.shape("c:\\data\\region3.shp", dbf.data = TRUE) z <- read.shape("c:\\data\\region4.shp", dbf.data = TRUE) #Loop through the clusters and produce maps of each region #The base maps stay the same with the exception of map1 #which has the title of Cluster # and the points which #reflect the current cluster. #Subset data on cluster for(i in 1:ClusCount){ mapit <- subset(da...
2012 Apr 24
1
In robust PCA methods, how to get variance explained?
For example, PcaHubert, how to get the variance explained which are similar to those concepts in traditional PCA? In traditional PCA, you have a bunch of eigenvalue lambdas... and you sort the lambdas from the biggest to the smallest, the lambda_i / (sum of all lambdas) is the variance explained by that principal component... how to obtain the equivalent concepts in PcaHubert? Thanks a lot!