[R] find max value in different columns

[Mat]

Hello together,

i have a data.frame like this one:

ID    ONE   TWO   THREE
1     2       5        7
2     6       NA      NA
3     5       7        NA
4     1       NA      NA

Now i want a new column with the max-Value of "ONE", "TWO" and THREE. The
result look like this one:

ID    ONE   TWO   THREE    MAX
1     2       5        7           7
2     6       NA      NA         6
3     5       7        NA         7
4     1       NA      NA         1

how can i do this?

thank you. Mat



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