Predictive Hacks

How to pass multiple parameters to sapply in R

Assume that we want to run an sapply or lapply in R and the function was multiple parameters. Then we can define what is the parameter that we want to apply the sapply and to assign fixed values to the rest:

# this is the function like a linear equation
# of the form y= a + b * x
my_func<- function(a,b,c) {

# the values of the x
x = c(1,5,10)

# we set a=1 and b=2
sapply(x,my_func,a=1, b=2)
[1]  3 11 21

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