search for: f_prob

Displaying 1 result from an estimated 1 matches for "f_prob".

2008 Jan 31
1
difficulties computing a simple anova
...an(spiderdata[j])) ^ 2) } sqdata N = 0 for(j in 1:J) { N = N + length(sqdata[[j]]) } SSW = sum(sqdata) MSW = SSW / (N - J) SSB = 0 for(j in 1:(length(spiderdata))) { SSB = SSB + length(spiderdata[[j]]) * ((mean(spiderdata[j])[[1]] - (sum(spiderdata) / N)) ^ 2) } MSB = SSB / (J - 1) F = MSB / MSW f_prob = pf(F, J - 1, N - J) reject_point = qf(.95, J - 1, N - J) cat("SSW:", SSW, ", MSW:", MSW, ", SSB:", SSB, ", MSB:", MSB, ", F:", F, ", P(F):", f_prob, ", P(", reject_point, ") = .95\n", sep = "") anova(lm(Zo...