R help - Apr 2014 - Some questions :How to use Friedman'Test in R

Dear R users:             I'm trying to program the Friedman'test(),but
I meet some problemes.             I am reading the data below with
s1=read.table("1express.txt",header=T)       Then,I get the
datas1B1AD1X1544766544777766765988666666776466787776679778777886868655786777888555666676666777676888654767456765877779664676788887666354778775777454764888767876566554665776776876655766365654777889365466777778889565878666656897434777664889666777
attach(s1)friedman.test(s1£©¡°Error in friedman.test.default(s1) :   argument
"groups" is missing, with no default¡±   I don't know what's
the meaning of the problem,and I am not sure where the problem

Can anybody  give me a suggestion?
 Thanks in advance
                       Rocia


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On 15.04.2014 12:58, ??? wrote:
> Dear R users:             I'm trying to program the
Friedman'test(),but I meet some problemes.             I am reading the data
below with s1=read.table("1express.txt",header=T)       Then,I get the
datas1B1AD1X1544766544777766765988666666776466787776679778777886868655786777888555666676666777676888654767456765877779664676788887666354778775777454764888767876566554665776776876655766365654777889365466777778889565878666656897434777664889666777
attach(s1)friedman.test(s1????Error in friedman.test.default(s1) :   argument
"groups" is missing, with no default??   I don't know what's
the meaning of the problem,and I am not sure where the problem
>
> Can anybody  give me a suggestion?
Specify the groups?

Best,
Uwe Ligges


>   Thanks in advance
>                         Rocia
>
>
> 	[[alternative HTML version deleted]]
>
>
>
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