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test_data_basea
2009 Sep 11
1
Simple time series questions
...Date(testdata$Date,"%d-%m-%y")
test_data_model = testdata$Model
test_date_baseA = testdata$BaseDataA
test_date_baseB = testdata$BaseDataB
plot(test_date, test_data_model,type='l',log="y")
plot(test_date, test_data_baseA,type='l',log="y")
plot(test_date, test_data_baseB,type='l',log="y")
grid()
(Clearly at this point, each chart over-writes the previous one.)
Next I try to get them onto a single chart, sharing the same y-axis. I'm
sure I haven't done this very elegantly, but here goes:
frame_model = data.frame(a=test_date,b=test_data_...