z_score
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z_score [2018/09/18 08:03] – hkimscil | z_score [2019/09/23 11:56] – hkimscil | ||
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{{youtube> | {{youtube> | ||
- | in R | ||
- | < | ||
- | < | ||
- | < | + | in R, pnorm(zscore) or pnorm(sd) |
- | round(100* | + | < |
+ | pnorm(2) - pnorm(-2) | ||
+ | pnorm(3) - pnorm(-3) | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | [1] 0.6826895 | ||
+ | > pnorm(2) - pnorm(-2) | ||
+ | [1] 0.9544997 | ||
+ | > pnorm(3) - pnorm(-3) | ||
+ | [1] 0.9973002 | ||
</ | </ | ||
+ | |||
+ | in R, qnorm(percentage) | ||
+ | < | ||
+ | qnorm(.975) | ||
+ | </ | ||
+ | |||
+ | < | ||
+ | qnorm(0.025) | ||
+ | qnorm(0.975) | ||
+ | |||
+ | qnorm(0.01) | ||
+ | qnorm(0.99) | ||
+ | |||
+ | qnorm(0.001) | ||
+ | qnorm(0.999) | ||
+ | </ | ||
z_score.txt · Last modified: 2023/09/18 08:52 by hkimscil