# this is just a quick look at paired data source("../gnrnd4.R") gnrnd4( key1=1434122510, key2=390004700251 ) L1 L2 # We want to look at Later (L2) minus Earlier (L1) L3 <- L2 - L1 L3 # # to find a 95% confidence interval for the mean # of the difference, L2 - L1 source("../ci_unknown.R") ci_unknown( sd(L3), length(L3), mean(L3), 0.95) # # To test the null hypothesis that the mean # difference in the paired values is 0 against # the alternative hypothesis that the Later # values are greater than the Earlier values, # that is, that the mean of L3 > 0, at the # 0.02 level of significance. # source("../hypo_unknown.R") hypoth_test_unknown( 0, 5, 0.02, length(L3), mean(L3), sd(L3) )