search for: hydrochem

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

2010 Apr 27
1
Symbols in biplot
Hello all, I just started in on R today. I am at the point where I am trying to distinguish different groups of data (hydrochemical data) in biplot. I search and found a post about converting the sample number in biplot to a symbol like x or + "> temp <- matrix(runif(50), nrow=10) > temp.pca <- princomp(temp) > biplot(temp.pca, xlabs=c("A", "A", "B", "B", &q...
2011 Nov 12
0
processing data of hierarchical river network
Hi, I have some hydrochemical data from observation stations of a river network. The data set provides information about the river hierarchy, i.e. the order of the rivers (main river is 1st order, contributing is 2nd order, and contributing to 2nd is 3rd order... etc). Now I would like to use the hierarchical information t...