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r:20190423 [2020/03/24 02:34] (current) |
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<code rsplus> | <code rsplus> | ||
> cor.test(((comb$rm1t+comb$lm1t+comb$nm1t)/ | > cor.test(((comb$rm1t+comb$lm1t+comb$nm1t)/ | ||
+ | </ | ||
+ | < | ||
Pearson' | Pearson' | ||
Line 23: | Line 25: | ||
0.592227 | 0.592227 | ||
+ | </ | ||
+ | |||
+ | Quite reasonably so, the more data points you have, the more powerful the correlation: | ||
+ | |||
+ | <code rsplus> | ||
+ | cor.test(((comb$rm1t+comb$lm1t+comb$nm1t+comb$rm3t+comb$lm3t+comb$nm3t)), | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | Pearson' | ||
+ | |||
+ | data: ((comb$rm1t + comb$lm1t + comb$nm1t + comb$rm3t + comb$lm3t + and (comb$ra5time + comb$rv5time) | ||
+ | t = 6.1225, df = 57, p-value = 9.054e-08 | ||
+ | alternative hypothesis: true correlation is not equal to 0 | ||
+ | 95 percent confidence interval: | ||
+ | | ||
+ | sample estimates: | ||
+ | cor | ||
+ | 0.6298656 | ||
+ | </ | ||
+ | |||
+ | Interestingly, | ||
+ | |||
+ | <code rsplus> | ||
+ | > cor.test(((comb$rm1t+comb$lm1t+comb$nm1t+comb$rm3t+comb$lm3t+comb$nm3t)), | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | Pearson' | ||
+ | |||
+ | data: ((comb$rm1t + comb$lm1t + comb$nm1t + comb$rm3t + comb$lm3t + and (comb$ra5time) | ||
+ | t = 6.6186, df = 58, p-value = 1.278e-08 | ||
+ | alternative hypothesis: true correlation is not equal to 0 | ||
+ | 95 percent confidence interval: | ||
+ | | ||
+ | sample estimates: | ||
+ | cor | ||
+ | 0.6559632 | ||
+ | </ | ||
+ | |||
+ | {{: | ||
+ | |||
+ | <code rsplus> | ||
+ | > t.test(((comb$rm1s)), | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | Paired t-test | ||
+ | |||
+ | data: ((comb$rm1s)) and (comb$rm5s) | ||
+ | t = -3.3628, df = 63, p-value = 0.001316 | ||
+ | alternative hypothesis: true difference in means is not equal to 0 | ||
+ | 95 percent confidence interval: | ||
+ | | ||
+ | sample estimates: | ||
+ | mean of the differences | ||
+ | -3.171875 | ||
+ | </ | ||
+ | <code rsplus> | ||
+ | > t.test(((comb$rm1t)), | ||
+ | </ | ||
+ | < | ||
+ | Paired t-test | ||
+ | |||
+ | data: ((comb$rm1t)) and (comb$rm5t) | ||
+ | t = 8.0806, df = 63, p-value = 2.58e-11 | ||
+ | alternative hypothesis: true difference in means is not equal to 0 | ||
+ | 95 percent confidence interval: | ||
+ | 8.903005 14.753245 | ||
+ | sample estimates: | ||
+ | mean of the differences | ||
+ | | ||
</ | </ |