[R] ifelse(is.na), with function inside

[Grześ]

Hi,
I have a vector a=c(NA, 3, 4, 4, NA, NA, 3) and I would like to use is.na(a)
function to get a vector like this:
wy=(1,2,2,2,1,1,2) - you know, this vector create 1 or 2 depends on value in
vector "a"
   
This is my short code but something is wrong and I don't know what...

for (i in 1:7){
 a=c( NA, 3, 4, 4, NA, NA, 3) 
 fun1=function(x){
 x=1
 print(x)
 }
 fun2=function(x){
 x=2
 print(x)
 }
 wy[i]<- ifelse(((is.na(a))), fun1(x), fun2(x))
 }
[1] 1
[1] 2
[1] 1
[1] 2
[1] 1
[1] 2
[1] 1
[1] 2
[1] 1
[1] 2
[1] 1
[1] 2
[1] 1
[1] 2
and I get a lots of warnings:
Warning messages:
1: In wy[i] <- ifelse(((is.na(a))), fun1(x), fun2(x)) :
  number of items to replace is not a multiple of replacement length
2: In wy[i] <- ifelse(((is.na(a))), fun1(x), fun2(x)) :
  number of items to replace is not a multiple of replacement length...

and as an result I get a vector only with 1
> wy
[1] 1 1 1 1 1 1 1
 
I'll be very happy if someone help me 

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