Hi all, I have re-begging to use R.
I need to using a matrix Y and X with the first row been the name to get a ols regression and to plot a two elements graph...on the top the scattergraph and the line representing the regressión....below the resids...at the same time I want to plot with small lines representing the error or one desviation from the regressión. I attach a graph...to get better understood. Please if you writte me the code explain how to put names on both plots. MAny Thanks¡¡¡ I saw a document explaining but I can´t find.... Thanks in advance.... Imagine you load on a directory (in example mydocuments) the data file and that it is an xls or *.txt file.
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