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2007 Aug 20
1
Q: combine 2 data frames with missing values
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2007 Aug 21
2
Partial comparison in string vector
...r correlation coefficient, the intercept and the slope of regression line. yet for every variable the messurements are lnked thruogh theyr case. it is the same sample just a diferent test. Now i select a subsets of variables out of the original dataset, and use : value_x1 = subset(dataset_1,select=lg_value) value_y1 =subset(dataset_2,select=lg_value) Then i to mold an lm model, inorder to get estimates for the slope ans intercept model_1 <- lm (value_y1[,1]~ value_x1[,1] ) This is what R tell's me: "Error in model.frame(formula...