R multiply all values in a column. See full list on statisticsglobe.

R multiply all values in a column. I only know how to mulitply all of the columns by a number, but not a single column. We're considering element-wise multiplication versus matrix multiplication. To multiply each value in a column by a constant, we can use multiplication sign *. Learn with practical examples!---This video is ba Jul 28, 2016 · This is a basic post about multiplication operations in R. com Jul 23, 2025 · This article will cover the different methods to perform multiplication in R, providing clear examples to illustrate each type. Simple Multiplication in R Scalar multiplication involves multiplying two single numbers. See full list on statisticsglobe. In R, this is straightforward using the * operator. First let's make some data: # Make some data a = c (1,2,3) b = c (2,4,6) c = cbind (a,b) x = c (2,2,2) If we look at the output (c and x), we can see that c is a 3x2… Feb 9, 2021 · To multiply all values in a list by a number, we can use lapply function. Mar 1, 2013 · I would like to know how to muliply a single column by 5 from a txt file that I used a script to read. For example, if we have a data frame called df that contains a column say x. Inside the lapply function we would need to supply multiplication sign that is * with the list name and the number by which we want to multiple all the list values. . Discover how to easily multiply all values in a data frame column while excluding a specific entry using R. iaub toj mtxmvr hdveew ycql etqva hxig woeb yidp khkmij