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.... Right now, My data of M, D, O, and S are all stored in separate txt files, but should I just put them into a table or something? And then how would I calculate the error of how well the test samples fit the original regression? This is for my internship, so it's very urgent. THANKS A LOT!!!!! RBeginner -- View this message in context: http://www.nabble.com/Regression-for-loop-test-HELP%21-URGENT%21-tp24562766p24562766.html Sent from the R help mailing list archive at Nabble.com.

...ing into a data frame already. Can anyone tell me how to write the code? I'm especially not sure about how to do the for loop. And then how would I calculate the error of how well the test samples fit the original regression? This is for my internship, so it's very urgent. THANKS A LOT!!!!! RBeginner [[alternative HTML version deleted]]

I just have a simple question. I'm using the predict function, and I get about 1000 values. Now, how would I make it into a data frame or a list so that I can easily use Excel to graph the data? Right now, it's in horizontal lines, and it would be a pain to copy and paste and make it into a vertical column. Thanks! -- View this message in context: