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November 30, 2025 03:18
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Web scraping de tablas de Wikipedia con datos de pobreza y desarrollo humano para países de latinoamérica
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| # web scraping de tablas de Wikipedia con datos de pobreza y desarrollo humano para países de latinoamérica | |
| library(dplyr) | |
| library(rvest) | |
| library(janitor) | |
| # pobreza ---- | |
| url_pobreza <- "https://es.wikipedia.org/wiki/Anexo:Países_por_porcentaje_de_pobreza_en_Latinoamérica" | |
| tablas_pobreza <- url_pobreza |> | |
| read_html() |> | |
| html_table() | |
| pobreza <- tablas_pobreza[[1]] |> | |
| row_to_names(1) |> | |
| select(1, 2, 3) |> | |
| rename(pais = 1, pobreza_bm = 2, pobreza_cepal = 3) |> | |
| mutate(across(2:3, ~stringr::str_replace(.x, ",", "."))) |> | |
| mutate(across(2:3, as.numeric)) | |
| # Banco Mundial (2025): % < US$6,85 día | |
| # CEPAL (2019): % < canasta básica de CEPAL | |
| # desarrollo ---- | |
| url_desarrollo <- "https://es.wikipedia.org/wiki/Anexo:Países_de_América_Latina_por_índice_de_desarrollo_humano" | |
| tablas_desarrollo <- url_desarrollo |> | |
| read_html() |> | |
| html_table() | |
| desarrollo <- tablas_desarrollo[[1]] |> | |
| row_to_names(1) |> | |
| rename(puesto = 1) |> | |
| filter(nchar(puesto) < 4) |> | |
| select(pais = 2, 3:6) |> | |
| mutate(across(2:5, ~stringr::str_replace(.x, ",", "."))) |> | |
| mutate(across(2:5, as.numeric)) | |
| indicadores <- tablas_desarrollo[[3]] |> | |
| row_to_names(1) |> | |
| rename(puesto = 1) |> | |
| filter(nchar(puesto) < 4) |> | |
| select(pais = 2, esperanza = 3, escolaridad = 4, inb = 6) |> | |
| mutate(inb = stringr::str_remove(inb, " ")) |> | |
| mutate(across(esperanza:inb, as.numeric)) | |
| datos <- pobreza |> | |
| # left_join(desarrollo) |> | |
| left_join(indicadores) |> | |
| na.omit() |> | |
| arrange(pobreza_bm) |> | |
| select(pais, pobreza = pobreza_bm, esperanza, escolaridad) |> | |
| slice(1:10) | |
| # guardar ---- | |
| readr::write_rds(datos, "content/blog/r_introduccion/tidyr_pivotar/datos_latam.rds") | |
| pobreza |> | |
| datapasta::dpasta() | |
| datos |> | |
| datapasta::dpasta() | |
| desarrollo |> | |
| slice(1:10) |> | |
| datapasta::dpasta() | |
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