用R软件对一个矩阵进行friedman检验,矩阵是一个12*5的矩阵,12个处理,5个区组,显示不出结果
> d<-read.delim("F:data/book6.txt")
> d
X2011 X2010 X2009 X2008 X2007
1 25.33432 15.60497 21.97791 18.191992 66.50104
2 33.85897 236.29722 10.16129 18.320611 55.95238
3 43.67464 258.29805 15.93794 25.709220 45.36082
4 34.96316 172.00949 76.84564 -12.780488 70.26578
5 40.95074 197.58707 20.03167 28.223350 41.93084
6 30.58526 17.53873 24.01747 39.068826 75.80071
7 53.23715 243.37123 18.27731 27.272727 57.80591
8 17.48572 446.22836 63.41463 8.753316 81.25000
9 87.75134 334.76947 17.59425 25.733634 30.29412
10 27.61323 902.49183 39.14141 36.082474 43.34975
11 19.93419 333.28439 50.70028 39.453125 89.62963
12 30.93760 222.15606 -34.10014 57.569296 58.44595
> friedman.test(d)
Error in friedman.test.default(d) :
argument "groups" is missing, with no default
>
但是要是把数据矩阵转置以后就能出结果,只是自由度,结果都不是期望的结果,求高所点拨。。。
r初学。。。