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Trouble with lines $40-47$

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YourName$-R$ codes for BA II proje

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$28$ mydata$voice$\_$mail$\_$plan$[$mydata$voice$\_$mail$\_$plan$==$"yes"$]=1$

$29$ mydata$voice$\_$mail$\_$planas$.$factor$($mydata$voice$\_$mail$\_$plan$)$

$30=$

$31$

$32-$ ##Delete useless variables $($states and area$\_$code, or the first and third variables$)$ first. These variables do not help our analysis.

$33-$cdots$\{r\}$

$34$ library$($dplyr$)$

$35$ mydatamydata $\%>\%$ select$(-$state, $-$area$\_$code$)$

$36$ library$($caret$)$

$37+$

$38$

$39-$ ##For missing values, try $3$ different imputation strategies $($e$.$g$.,$ omission strategy, stochastic regression imputation, and kNN imputation$).$

$40-$cdots$\{r\}$

$41$ mydata$1\_$om na$.$omit$($mydata$1)$

$42$

$43$

mydata$1\_$knn predict$($preProcess$\_$kNN$|,$ newdata $=$ mydata$1)$ #You can just delete the "variable$=""$ part.

$44$

$45$ mydata$1\_$stachastic

$46$ mydata$1\_$sr

$q,$

$43$:$38$

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R $4\mathrm{.}4\mathrm{.}1.1$

mydata$1\_$knn predict$($preProcess$\_$knn$,$ newdata $=$ mydata$1)$

#You can just delete the "variable$="".$ par

Error: object 'preProcess$\_$knn$\text{'}$ not found mydata$1\_$om na$,$ omit$($mydata$1)$

mydata$1\_$knn predict$($preProcess$\_$kNN$,$ newdata $=$ mydata$1)$ #You can just delete the "variable$="".$ pai

Error: object 'preProcess$\_$kNN$\text{'}$ not found