inst/snippets/Example2.17.R

histogram( ~ Pulse, fit = "normal", data = StudentSurvey)
mean <- mean( ~ Pulse, data = StudentSurvey); mean
sd <- sd( ~ Pulse, data = StudentSurvey); sd
mean - 2*sd
mean + 2*sd

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Lock5withR documentation built on May 2, 2019, 3:43 p.m.