[R] mean for each row

From: Roslina Zakaria <zroslina_at_yahoo.com>
Date: Sun, 16 Mar 2008 22:48:53 -0700 (PDT)


  Hi r-users,
How do find the mean for each row? Thank you in advance for your help.

          1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 Day Totals
1            0.0  0.0  0.0  0.0  0.6  0.0  8.4  0.0 29.4  0.0       38.4
2            0.0  0.0  1.8  0.0 22.4  0.0  0.2  0.4  0.8  0.0       25.6
3            7.8  0.0  0.0 17.6  1.4  0.0  0.0  0.0  0.0  0.0       26.8
4            2.2  0.8  0.4  0.0  0.2 11.2  1.4 33.2  0.0  0.0       49.4
5            0.2  1.8  0.0  1.0  0.0  0.2  0.0 12.2  0.0 19.2       34.6
6            0.0  0.0  0.0  1.0  0.0  0.0  0.0  2.2  0.0 14.6       17.8
7            0.0  0.0  0.0  0.0  3.6  0.2  0.0  2.0  0.0  0.2        6.0
8            0.0  0.0 10.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0       10.0
9            0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0        0.0
10           1.0  1.4  0.0  0.0  0.0  1.0  0.4  0.0  0.0  0.0        3.8
11           0.0  8.2  0.0  0.0  0.0  0.0  8.4  0.0  0.0  0.4       17.0
12          10.8  0.8  0.0  0.0  0.0  0.0  1.0  0.0  0.0  4.2       16.8
13          32.8  0.0  0.0  0.8  0.0  0.0  0.0  0.0  0.2  0.2       34.0
14           1.0  0.0  1.6  0.2  0.0  0.0  0.0  0.0  0.0  0.0        2.8
15           0.0  0.0  0.0  2.2  1.4  0.0  0.0  0.0  0.0  0.0        3.6
16           0.6  0.0  0.0  0.6 22.0  0.0  0.0  0.0  0.0  0.0       23.2
17           0.0  0.0  0.0  0.0  0.0  0.0  2.8  0.0  0.0  0.0        2.8
18           2.8  0.0  0.0  0.0  0.0  0.0  8.2  0.0  0.0  8.2       19.2
19           0.0  0.0  0.0  0.0  0.0  0.2  0.0  0.0  0.0  0.2        0.4
20           0.0  8.2  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0        8.2
21           0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0        0.0
22           0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.4        0.4
23           0.0  0.0  0.0  0.0  0.0  0.0  0.0  1.2  0.0  0.0        1.2
24           0.0  0.0  0.0  0.0  1.0  0.0  0.0  2.0  8.2  0.0       11.2
25           3.2  0.0  0.0  0.6  0.6  0.0  0.0  0.0 11.8  0.0       16.2
26           0.0  0.0 26.2  0.0 12.6  0.0  0.0  2.2  0.0  0.0       41.0
27           0.2  0.0 10.6  0.0  1.2  0.0  0.0  1.8  0.0  0.0       13.8
28           0.0  4.0  0.0  5.8  0.0  0.0  0.0  0.0  0.0  0.0        9.8
29           0.2 12.4  0.0  0.0  0.0  0.0  0.0  0.0  0.0  0.0       12.6
30           0.0  2.6  0.0  0.0  2.2  0.0  0.0  0.0  0.0  0.0        4.8
31           0.0  0.0  0.6  0.0  0.8  0.0  0.0  0.0  4.8  0.0        6.2
Year Totals 62.8 40.2 51.2 29.8 70.0 12.8 30.8 57.2 55.2 47.6      457.6


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