remove row by number R code example

Example 1: remove rows in r based on row number using dplyr

df %>% slice(2:7)

Example 2: remove row from matrix r

# Remove third row - by row number
MyMatrix <- MyMatrix[-3,]

# Remove third and fifth rows - by feeding the matrix a boolean vector
MyMatrix <- MyMatrix[c(TRUE,TRUE,FALSE,TRUE,FALSE,TRUE),]