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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
...ept 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, rownames, variables, varnames, ex...