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2006 Apr 17
0
Problem getting R's decision tree for Quinlan's golf exam ple data [Broadcast]
...51) Temperature>=73.5 1 0 rain (0.0000000 1.0000000 0.0000000) *
13) Humidity< 72.5 1 0 sunny (0.0000000 0.0000000 1.0000000) *
7) PlayDontPlay=DontPlay 3 0 sunny (0.0000000 0.0000000 1.0000000) *
Andy
_____
From: r-help-bounces at stat.math.ethz.ch on behalf of Alan Lapedes
Sent: Sun 4/16/2006 5:14 PM
To: r-help at stat.math.ethz.ch
Subject: [R] Problem getting R's decision tree for Quinlan's golf example
data [Broadcast]
Newbie question, but I've checked archives etc. Am trying to reproduce
in R Quinlan's trivial example of the "golf" de...
2011 Dec 07
1
scatterplotting stock returns using quantmod and pairs()
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","TLT","SPY","IWM","GLD","IEV","ILF","EWJ","EPP","SAF","ASA")
2006 Apr 16
0
Problem getting R's decision tree for Quinlan's golf example data
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
1 sunny 85 85 false DontPlay
2 sunny 80 90 true DontPlay
3 overcast 83 78 false Play
4 rain 70 96 false Play
5 rain 68 80 false Play
6