sampling_distribution_in_r
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| sampling_distribution_in_r [2024/03/20 13:53] – [Sampling distribution in R e.g. 1] hkimscil | sampling_distribution_in_r [2024/03/20 14:15] (current) – [Sampling distribution in R e.g. 1] hkimscil | ||
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| Line 80: | Line 80: | ||
| ses | ses | ||
| se.1 <- ses | se.1 <- ses | ||
| - | two.95 <- qnorm(0.975) | + | se.2 <- 2 * ses |
| - | se.2 <- two.95 | + | |
| lower.s2 <- mean(ajstu)-se.2 | lower.s2 <- mean(ajstu)-se.2 | ||
| Line 92: | Line 90: | ||
| < | < | ||
| # n =1600 일 경우에 | # n =1600 일 경우에 | ||
| - | # sample의 평균이 | + | # sample의 평균이 |
| # 확률은 어떻게 구해야 할까? | # 확률은 어떻게 구해야 할까? | ||
| Line 102: | Line 100: | ||
| # 이것을 standard error라고 부른다 | # 이것을 standard error라고 부른다 | ||
| # 따라서 | # 따라서 | ||
| - | pnorm(101.5, mean(ajstu), | + | se.1600 <- sqrt(var(ajstu)/ |
| + | pnorm(100.15, | ||
| </ | </ | ||
sampling_distribution_in_r.1710910391.txt.gz · Last modified: 2024/03/20 13:53 by hkimscil