Convert JSON data to Dataframe using Rjson Package in R

The rjson package provides functions for converting JSON data to lists, vectors, and data frames and vice versa, and also for parsing and generating JSON data. 

Steps to convert JSON data to a Dataframe in R using the Rjson Package

Installing rjson package:

install.packages("rjson")

Loading JSON Data:

sample_data <- fromJSON(file = "sample.json")

Converting JSON data to Dataframe :

output_dataframe<- data.frame(matrix(unlist(sample_data), 
ncol = length(sample_data[[1]]), byrow = TRUE), stringsAsFactors = FALSE)

Output:

This output_dataframe will have three columns named name, age, and city, and three rows with the data from the JSON file.

      X1 X2         X3
1 Sowham 20    Kolkata
2 Kushal 19 Jalpaiguri
3  Rohan 21   Durgapur

In the field of Data Analysis, we have to manage data in various formats, one of which is JSON (JavaScript Object Notation). JSON is used for storing and exchanging data between different systems and is hugely used in web development.

In R Programming language, we have to work often with data in different formats and convert it to a necessary format for analysis. In this case, it is necessary to convert the JSON data to a Dataframe, which is a common data structure in R. This language has several packages that make it easy to work with JSON data. 

Let’s take a JSON data named sample.json

[
  {
    "name": "Sowham",
    "age": 20,
    "city": "Kolkata"
  },
  {
    "name": "Kushal",
    "age": 19,
    "city": "Jalpaiguri"
  },
  {
    "name": "Rohan",
    "age": 21,
    "city": "Durgapur"
  }
]

Now, let us see how we can convert JSON data into a dataframe using various packages in R.