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library(gapminder) | |
library(tidyverse) | |
library(zap) | |
library(broom) | |
# gapminder data for Asia only | |
gap <- gapminder %>% | |
filter(continent == "Asia") %>% | |
mutate(yr1952 = year - 1952) %>% | |
mutate(country = fct_reorder2(country, .x = year, .y = lifeExp)) | |
gap_nested <- gap %>% | |
group_by(country) %>% | |
nest() | |
gap_nested | |
#> # A tibble: 33 x 2 | |
#> country data | |
#> <fct> <list> | |
#> 1 Afghanistan <tibble [12 × 6]> | |
#> 2 Bahrain <tibble [12 × 6]> | |
#> 3 Bangladesh <tibble [12 × 6]> | |
#> 4 Cambodia <tibble [12 × 6]> | |
#> 5 China <tibble [12 × 6]> | |
#> 6 Hong Kong, China <tibble [12 × 6]> | |
#> 7 India <tibble [12 × 6]> | |
#> 8 Indonesia <tibble [12 × 6]> | |
#> 9 Iran <tibble [12 × 6]> | |
#> 10 Iraq <tibble [12 × 6]> | |
#> # … with 23 more rows | |
gap_fitted <- gap_nested %>% | |
zap(fit = ~lm(lifeExp ~ yr1952, data = data)) %>% | |
zap_dfr(coef = ~tibble(!!!coef(fit)) ) | |
gap_fitted | |
#> # A tibble: 33 x 4 | |
#> country data fit coef$`(Intercept)` $yr1952 | |
#> <fct> <list> <list> <dbl> <dbl> | |
#> 1 Afghanistan <tibble [12 × 6]> <S3: lm> 29.9 0.275 | |
#> 2 Bahrain <tibble [12 × 6]> <S3: lm> 52.7 0.468 | |
#> 3 Bangladesh <tibble [12 × 6]> <S3: lm> 36.1 0.498 | |
#> 4 Cambodia <tibble [12 × 6]> <S3: lm> 37.0 0.396 | |
#> 5 China <tibble [12 × 6]> <S3: lm> 47.2 0.531 | |
#> 6 Hong Kong, China <tibble [12 × 6]> <S3: lm> 63.4 0.366 | |
#> 7 India <tibble [12 × 6]> <S3: lm> 39.3 0.505 | |
#> 8 Indonesia <tibble [12 × 6]> <S3: lm> 36.9 0.635 | |
#> 9 Iran <tibble [12 × 6]> <S3: lm> 45.0 0.497 | |
#> 10 Iraq <tibble [12 × 6]> <S3: lm> 50.1 0.235 | |
#> # … with 23 more rows |
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