The CSV file modeldata.csv contains 200 observations of 4 explanatory variables (x1, x2, x3, x4) and a response variable (y). A multiple linear regression model is built in R using the following code, > modeldata <- read.csv("modeldata.csv") > x1 <- modeldata$x1 > x2 <- modeldata$x2 > x3 <- modeldata$x3 > x4 <- modeldata$x4 > y <- modeldata$y > model <- lm(y~x1+x2+x3+x4)   Question: What this particular plot shows about the model being analysed?

MATLAB: An Introduction with Applications
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The CSV file modeldata.csv contains 200 observations of 4 explanatory variables (x1, x2, x3, x4) and a response variable (y). A multiple linear regression model is built in R using the following code,

> modeldata <- read.csv("modeldata.csv") > x1 <- modeldata$x1 > x2 <- modeldata$x2 > x3 <- modeldata$x3 > x4 <- modeldata$x4 > y <- modeldata$y > model <- lm(y~x1+x2+x3+x4)
 
Question: What this particular plot shows about the model being analysed?
D_i
0.4
0.2
0.8
0.6
1.0
0.0
0
°
Cooks Statistic and median of F
50
100
150
200
Transcribed Image Text:D_i 0.4 0.2 0.8 0.6 1.0 0.0 0 ° Cooks Statistic and median of F 50 100 150 200
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