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Problem 2 (10) Consider the first order model with X1, X2 and X3, simultaneously estimate parameters (beta1, beta2, beta3) with a confidence level of 75%.
Problem 2 (10) Consider the first order model with X1, X2 and X3, simultaneously estimate parameters (beta1, beta2, beta3) with a confidence level of 75%.
Q: What's the R code for this question (in general no specific data)?
Also when asked: "Consider only the first order model with X1, X2 and X3, perform the following hypothesis.
(10) whether X1 can be dropped from the full model"
Q: In the R code should we write anova(lm(y-x1,x2,x3)), or anova(lm(y-x2,x3,x1))
Only answer the Q: questions.
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