Linear Regression

"Sanjay Kumar"
"29-Dec-2018"

Concept

lm is used to fit linear models. It can be used to carry out regression, single stratum analysis of variance and analysis of covariance. following are mandaory arguments

  • formula: Example: response~predictor
  • data

Slide With Code

ctl <- c(4.17,5.58,5.18,6.11,4.50,4.61,5.17,4.53,5.33,5.14)
trt <- c(4.81,4.17,4.41,3.59,5.87,3.83,6.03,4.89,4.32,4.69)
group <- gl(2, 10, 20, labels = c("Ctl","Trt"))
weight <- c(ctl, trt)
lm.D9 <- lm(weight ~ group)

Slide With Plot

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