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scatterplotting stock returns using quantmod and pairs()
alan lapedes
·
Dec 6, 2011
·
r-help
I want to get data for a set of ticker symbols and compute the daily return of the adjusted close using quantmod, and then scatterplot returns using pairs(). The following gets data for the list of tickers: tickers <- c("SHY...
Problem getting R's decision tree for Quinlan's golf example data
Alan Lapedes
·
Apr 16, 2006
·
r-help
Newbie question, but I've checked archives etc. Am trying to reproduce in R Quinlan's trivial example of the "golf" decision tree. The data file of 14 examples follows (read in via read.table()): Outlook Temperature Humidity Windy PlayDontPlay...
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