[R] change value in one cell

[jour4life]

Hello all,

I am wondering if there is a way to change the value of one cell in R. For
instance let's say I have a hypothetical data frame that looks like this:

Obs X Y Z
1    1 0 1
2    0 0 1
3    1 1 1
4    0 1 1
5    1 1 0
6    0 0 0

I would like to change the value of the 4th observation in the Y column from
1 to 0. It should look like this:

Obs X Y Z
1    1 0 1
2    0 0 1
3    1 1 1
4    0 0 1
5    1 1 0
6    0 0 0

Is it possible to change the value in one command?

Thanks,

Carlos


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