loop through 2 vectors simultaneously and save in new vector
1
I have 2 vectors :
index <- as.integer(c(3, 5, 7))
sen <- c("first", "second", "third", "fourth", "fifth", "sixth", "seventh")
I want to save each string, according to its index in a new vector :
mySen <- vector(mode = "character", length = length(index))
such that
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
I've tried nested loops but they output indices i and j of length 6
for (j in index){
for(i in 1:length(index)){
print(c(i,j))
}
}
[1] 1 3
[1] 2 3
[1] 3 3
[1] 1 5
[1] 2 5
[1] 3 5
[1] 1 7
[1] 2 7
[1] 3 7
whereas I want indices
1 3
2 5
3 7
Most importantly, I want my new vector mySen to be properly filled in as mentioned before
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
r loops for-loop nested
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
add a comment |
1
I have 2 vectors :
index <- as.integer(c(3, 5, 7))
sen <- c("first", "second", "third", "fourth", "fifth", "sixth", "seventh")
I want to save each string, according to its index in a new vector :
mySen <- vector(mode = "character", length = length(index))
such that
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
I've tried nested loops but they output indices i and j of length 6
for (j in index){
for(i in 1:length(index)){
print(c(i,j))
}
}
[1] 1 3
[1] 2 3
[1] 3 3
[1] 1 5
[1] 2 5
[1] 3 5
[1] 1 7
[1] 2 7
[1] 3 7
whereas I want indices
1 3
2 5
3 7
Most importantly, I want my new vector mySen to be properly filled in as mentioned before
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
r loops for-loop nested
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
add a comment |
1
1
1
I have 2 vectors :
index <- as.integer(c(3, 5, 7))
sen <- c("first", "second", "third", "fourth", "fifth", "sixth", "seventh")
I want to save each string, according to its index in a new vector :
mySen <- vector(mode = "character", length = length(index))
such that
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
I've tried nested loops but they output indices i and j of length 6
for (j in index){
for(i in 1:length(index)){
print(c(i,j))
}
}
[1] 1 3
[1] 2 3
[1] 3 3
[1] 1 5
[1] 2 5
[1] 3 5
[1] 1 7
[1] 2 7
[1] 3 7
whereas I want indices
1 3
2 5
3 7
Most importantly, I want my new vector mySen to be properly filled in as mentioned before
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
r loops for-loop nested
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
I have 2 vectors :
index <- as.integer(c(3, 5, 7))
sen <- c("first", "second", "third", "fourth", "fifth", "sixth", "seventh")
I want to save each string, according to its index in a new vector :
mySen <- vector(mode = "character", length = length(index))
such that
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
I've tried nested loops but they output indices i and j of length 6
for (j in index){
for(i in 1:length(index)){
print(c(i,j))
}
}
[1] 1 3
[1] 2 3
[1] 3 3
[1] 1 5
[1] 2 5
[1] 3 5
[1] 1 7
[1] 2 7
[1] 3 7
whereas I want indices
1 3
2 5
3 7
Most importantly, I want my new vector mySen to be properly filled in as mentioned before
> mySen
[1] "third"
[2] "fifth"
[3] "seventh"
r loops for-loop nested
r loops for-loop nested
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
edited Nov 27 '18 at 6:36
Ronak Shah
38.6k104161
38.6k104161
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
asked Nov 27 '18 at 6:29
YeshyyyYeshyyy
11910
11910
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
1
You can subset sen with index
mySen <- sen[index]
mySen
#[1] "third" "fifth" "seventh"
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
1
You can subset sen with index
mySen <- sen[index]
mySen
#[1] "third" "fifth" "seventh"
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
add a comment |
1
You can subset sen with index
mySen <- sen[index]
mySen
#[1] "third" "fifth" "seventh"
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
add a comment |
1
1
1
You can subset sen with index
mySen <- sen[index]
mySen
#[1] "third" "fifth" "seventh"
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
You can subset sen with index
mySen <- sen[index]
mySen
#[1] "third" "fifth" "seventh"
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
answered Nov 27 '18 at 6:31
Ronak ShahRonak Shah
38.6k104161
38.6k104161
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
add a comment |
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
woah i feel stupid. thanks :)
– Yeshyyy
Nov 27 '18 at 6:32
add a comment |
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