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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

Lihat Kursus

Petunjuk latihan

  • Remove characters from json1 to build a 2 by 2 matrix containing only 1, 2, 3 and 4. Call fromJSON() on json1.
  • Add characters to json2 such that the data frame in which the json is converted contains an additional observation in the last row. For this observations, a equals 5 and b equals 6. Call fromJSON() one last time, on json2.

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}]'
Edit dan Jalankan Kode