[R] how to get variance?

kiotoqq kiotoqq at googlemail.com
Sun Jan 23 14:25:55 CET 2011


I've got this table:


     A   B
1  7.8 215
2  6.8 280
3  9.4 356
4  5.2  38
5  8.2 167
6  4.8 127
7  3.7   8
8  6.2 201
9  9.7 346
10 8.1 241

how can I get the variance and covariance of A and B?
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