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?
Latihan ini adalah bagian dari kursus
Intermediate Importing Data in R
Petunjuk latihan
- 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.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
# jsonlite is already loaded
# Challenge 1
json1 <- '[[1, 2], [3, 4], [5, 6]]'
# Challenge 2
json2 <- '[{"a": 1, "b": 2}, {"a": 3, "b": 4}]'