On 29/05/2009, at 8:00 AM, bogaso.christofer wrote:
I have following addition :
1:2 + 1:10
[1] 2 4 4 6 6 8 8 10 10 12
I could not understand how R adding those two unequal vector? Any
help?
Look at the help for ``+'' (?"+") and look at ``Value''. There you will
see:
These operators return vectors containing the result of the
element by element operations. The elements of shorter vectors
are recycled as necessary (with a 'warning' when they are recycled
only _fractionally_). The operators are '+' for addition, '-' for
subtraction, '*' for multiplication, '/' for division and '^' for
exponentiation.
The key word is ``recycled''.
cheers,
Rolf Turner
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