RStudio

UScereal dataset usingR

Correct the error in the code please

Make a stacked barplot to show the relationship between manufacture $($i$.$e mfr$)$ and shelf placement $($i$.$e shelf$)959697,$#$(j)$

$98$ counts table$($hfr$,$ shelf$)$

legend counts$),y\underset{?}{lim}=$range$(,3))$

$100.$

Chunk $3$ :

R Markdown $=$

Console Render

$\frac{}{?}$ Desktop$/$Untitled$.$Rmd

$1...........$

$122\%[$setup$]$

processing file: Untitled. Rmd

Quitting from lines $41-100[$unnamed$-$chunk$-2]($Untitled$.$Rmd$)$

Error:

$!$ object $\text{'}mfr\text{'}$ not found

Backtrace:

base: :table$($mfr$,$ shelf$)$

Execution halted