Data Visualization with ggplot2 MCQ question and answer with solution | R Programming MCQs

A. rev(x)

B. max(x, na.rm=TRUE)

C. all(x)

D. x%in%y

A. rowSums (x, na.rm = FALSE, dims = 1)

B. colMeans(x, na.rm = FALSE, dims = 1)

C. rowMeans(x, na.rm = FALSE, dims = 1)

D. rowsum(x, group, reorder = TRUE, ...)

A. apply(x,1,min)

B. apply(x,2,max)

C. col.max(x)

D. apply(X, MARGIN, FUN, ...)

A. apply(x,2,max)

B. col.max(x)

C. which.min(x)

D. which.max(x)

A. which.min(x)

B. which.max(x)

C. z=apply(x,1,which.min)

D. z=apply(1,1,which.max)

A. X %*% Y

B. solve(A)

C. solve(A,B)

D. X $*$ Y

A. as.numeric(x)

B. rowsum(x, group, reorder = TRUE, ...)

C. as.order(x)

D. colSums (x, na.rm = FALSE, dims = 1)

A. par(mfrow=c(nrow,mcol))

B. par(ask=TRUE)

C. par(omi=c(0,0,1,0) )

D. par(ask=False)

A. hist()

B. histog()

C. histg()

D. histo()

A. titleAdd( "R language")

B. title( "R language")

C. titleBar( "R language")

D. var(x, na.rm=TRUE)