JSON practice (2)
We prepared two more JSON strings in the sample code. Can you change them and call jsonlite's fromJSON() function on them, similar to the previous exercise?
Este ejercicio forma parte del curso
Intermediate Importing Data in R
Instrucciones del ejercicio
- Remove characters from
json1to build a 2 by 2 matrix containing only 1, 2, 3 and 4. CallfromJSON()onjson1. - Add characters to
json2such that the data frame in which the json is converted contains an additional observation in the last row. For this observations,aequals 5 andbequals 6. CallfromJSON()one last time, onjson2.
Ejercicio interactivo práctico
Prueba este ejercicio y completa el código de muestra.
# jsonlite is already loaded
# Challenge 1
json1 <- '[[1, 2], [3, 4], [5, 6]]'
# Challenge 2
json2 <- '[{"a": 1, "b": 2}, {"a": 3, "b": 4}]'