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natekapi
2007 Jul 10
1
Simple table generation question
Hey all,
I'm doing some work with machine learning on R (I'm a fairly new user of R),
and I have a question about generating new tables from existing tables. I'm
currently using a table of measurements I read in from a CSV file to
generate training and validation data set tables for future use in a machine
learning algorithm using the code:
#generate probabilities to divide up
2007 Aug 06
0
strange problem with mars() in package mda
Hello all,
So I'm doing some data analysis using MARS. I have a matrix of 65
independent variables, from which I'm trying to predict 71 dependent
variables.
I have 900+ data points (so a 900x136 matrix of data), which I randomly
split into training and validation sets, for ~450 data points in each set.
Occasionally, this works well, and I get decent predictions. However, quite
often