On 6/6/2008 11:43 AM, Marco Chiapello wrote:
Hi,
I have a simple question. If I have a table and I want to have the mean
for each row, how can I do?!
Es:
        c1      c2      c3      mean    
1       12      13      14      ??
2       15      24      10      ??
...

Thanks,
Marco

VADeaths
      Rural Male Rural Female Urban Male Urban Female
50-54       11.7          8.7       15.4          8.4
55-59       18.1         11.7       24.3         13.6
60-64       26.9         20.3       37.0         19.3
65-69       41.0         30.9       54.6         35.1
70-74       66.0         54.3       71.1         50.0

rowMeans(VADeaths)
 50-54  55-59  60-64  65-69  70-74
11.050 16.925 25.875 40.400 60.350

  You could have found rowMeans() with the following:

RSiteSearch("row means", restrict="functions")

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