Dear All,
I have a data set with variables x1, x2, x3, ..., x20 and I want to
create z1, z2, z3, ..., z20 with the following formula:
z1 = 200 - x1
z2 = 200 - x2
z3 = 200 - x3
.
.
.
z20 = 200 - x20.
I tried using a for loop and its index as:
for (i in 1:20) {
z(i) = 200 - x(i)
}
But R gives the following error message: "Error: could not find function "x"".
Is there any other way for a simple coding of my 20 lines of code?
Alohas,
Hassan Eini-Zinab
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