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hi
2010 Apr 05
3
A questionb about the Wilcoxon signed rank test
...* sign(diffNew)
ranks.pos <- sum(diffNew.rank.sign[diffNew.rank.sign >0]) = 1819
ranks.neg <- -sum(diffNew.rank.sign[diffNew.rank.sign<0]) = 1751
v = ranks.neg
n = 100
z= (v - n *(n+1)/4)/sqrt(n*(n+1)*(2*n+1)/24) = -2.661263
Which p-value should I take for the Wilcox test then?
Hix
the data sets used in my test are:
endprice0 = c(136.3800, 134.8500, 350.7500, 18.8400, 0.0000, 0.0600, 159.1900, 242.5600, 0.0400, 289.9000, 0.0000, 42.6100, 275.9500, 76.6200, 36.6400, 0.0000, 81.5900, 179.3600, 86.2200, 210.8000, 118.7200, 45.5800, 98.1900, 137.0300, 47.7900, 123.7700, 23.240...
2009 Aug 12
2
call drops after a few seconds
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