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Wide and Long data format

Repeated Measures Data: Wide and Long

wide format

  • ๊ฐ€๋ น, Wide format: one row per subject์˜ ๊ฒฝ์šฐ๋Š” ์ธก์ • ํšŒ์ˆ˜์™€ ์ƒ๊ด€์—†์ด, ๊ฐ™์€ ์‚ฌ๋žŒ(subject)์ด๋ผ๋ฉด, row์— ๊ณ ์ •ํ•˜๊ณ , column์„ ๋Š˜๋ฆฌ๋Š” ์‹์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ์ €์žฅํ•˜๋Š” ๊ฒƒ์„ ๋งํ•œ๋‹ค. ๊ฐ€๋ น, row์— ํ•œ ์‚ฌ๋žŒ๋งŒ์„ ๋‘๊ณ , ๋‚˜์ด์— ๋”ฐ๋ฅธ BMI๋ฅผ ์นผ๋Ÿผ์œผ๋กœ ๋‘ฌ์„œ, BMI_25, BMI_30, BMI_40์„ ์นผ๋Ÿผ์œผ๋กœ ๋งŒ๋“ค์—ˆ๋‹ค๋ฉด,
ID	Birth_state	BMI_25	BMI_30	BMI_40
1	OK	26	26	27
2	MI	23	22	28
3	FL	21	28	25

long format

  • ๊ฐ€๋ น, Long format: one row per measurement ์ฆ‰ ์ธก์ •๋งˆ๋‹ค row๋ฅผ ๋งŒ๋“ค๊ธฐ ๋•Œ๋ฌธ์—, Age๋ผ๋Š” ์นผ๋Ÿผ์„ ์ถ”๊ฐ€ํ•˜์—ฌ, ์ธก์ •๋งˆ๋‹ค row๊ฐ€ ์ถ”๊ฐ€๋˜๋Š” ์‹์œผ๋กœ ์ •๋ฆฌ๋œ๋‹ค.
ID	Birth_state	Age	BMI
1	OK	25	26
1	OK	30	26
1	OK	40	27
2	MI	25	23
2	MI	30	22
2	MI	40	28
3	FL	25	21
3	FL	30	28
3	FL	40	25
๐Ÿ”— ์—ฐ๊ด€ ์ง€์‹ ํ—ˆ๋ธŒ:๐Ÿ“‚ others ์นดํ…Œ๊ณ ๋ฆฌ#data-format#table

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๊ธ€ ์ฃผ์†Œ๊ฐ€ ํด๋ฆฝ๋ณด๋“œ์— ๋ณต์‚ฌ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.