Dear All,
Sorry to bother
I want to write a function in R using if
Say I have a dataset x,
if x[i]<0, then x[i]=x[i],
if x[i]>0, then x[i]=0
for example, x=-3:3,
then using the function, x becomes [-3,-2,-1,0,0,0,0]
I write the codes as follows,
gjr=function(x)
{lena=length(x)
for(i in 1:lenx)
if (x[i]<0) return (x[i])
if (x[i]>0) return (0)
x}
but then, doing
gjr(x）
it only comes out with one number
Does anyone have any suggestions?
I appreciate a lot!
Sincerely,
Zoe
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