Skip to main content
Contents Index Dark Mode Prev Up Next Scratch ActiveCode Profile \(\newcommand{\N}{\mathbb N} \newcommand{\Z}{\mathbb Z} \newcommand{\Q}{\mathbb Q} \newcommand{\R}{\mathbb R}
\newcommand{\lt}{<}
\newcommand{\gt}{>}
\newcommand{\amp}{&}
\definecolor{fillinmathshade}{gray}{0.9}
\newcommand{\fillinmath}[1]{\mathchoice{\colorbox{fillinmathshade}{$\displaystyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\textstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptscriptstyle\phantom{\,#1\,}$}}}
\)
Section 6.7 R Functions Used in This Chapter
mean() Calculate arithmetic mean
median() Locate the median
mode() Tells the data type/mode of a data object.
Important note : Surprisingly, this mode() is NOT a statistical mode. In fact, R does not have a standard in-built function to calculate the statistical mode.
var() Calculate the sample variance
sd() Calculate the sample standard deviation
hist() Produces a histogram graphic
You have attempted
of
activities on this page.
