Difference between revisions of "Worksheets/Week3"
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=== Part 1 === | === Part 1 === | ||
<html><div data-datacamp-exercise data-lang="r" data-height=" | <html><div data-datacamp-exercise data-lang="r" data-height="500px"> | ||
<code data-type="sample-code"> | <code data-type="sample-code"> | ||
Revision as of 20:23, 9 March 2019
Part 1
# Create the design matrix in a quick way in R
A <- c(-1, +1, -1, +1)
B <- c(-1, -1, +1, +1)
y <- c(89, 268, 179, 448)
mod.siderxn <- lm(y ~ A + B + A*B)
summary(mod.siderxn)
#library(pid)
source('https://yint.org/contourPlot.R')
#source('https://yint.org/paretoPlot.R')
contourPlot(mod.siderxn)
interaction.plot(A, B, y)
interaction.plot(B, A, y)