Dear R-users,

I have dataset  with column A and B with1000 values,

For each of column C value (C = seq(1,1000,1), I want to repeat A and B
values and calculate R = A+B*C for each row.

I want to get output as

A              B            C         R
1              10           1         11
2              30           1         32
3              50           1         53
1000       1000        1        2000
1              10           2        21
2               30          2        62
3               50          2        103
1000        1000       2        3000

How can I do it using for loop?

Thanks
Shailly

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