We can also write a for$-$loop to apply a user$-$defined function 'checkEvent$()\text{'}$ to each row of a matrix object 'simulatedData' as follows:

val $=$ vector$($length $=$ nrow$($simulatedData$))$

for $($i in $1$:nrow$($simulatedData$))\{$

val$[$i$]=$ checkEvent$($simulatedData$[$i$,])$

$\}$

Which one of the following is TRUE about this approach?

Question $5$ options:

It would be computationally expensive if 'simulatedData' is big.

It will work only if 'simulatedData' has equal number of rows and columns.

It will work only if 'simulatedData' is a matrix of numerical values.

It will take a similar computational time as using the apply$()$ function but the code will be a bit bigger.