Converts R object into JSON objects and vice-versa
rjson is an r package for woking with json, allowing JSON objects to be imported as R objects, and R objects to be serialized as JSON.
Questions tagged [rjson]
135 questions
2
votes
0 answers
Ability to JSON serialize and deserialize int64 with precision in R
In R, Int64 whole numbers can not be accurately serialized to and from JSON, because existing JSON libraries will coerce the value into a numeric, or expect to represent the number in scientific notation.
Does anyone know of a way to accurately…
Val H
- 507
- 4
- 13
2
votes
3 answers
Converting a matrix/dataframe in R to JSON object with some constraints
REDITED:
I have to convert a matrix in R to a JSON object with some structure in it. I am using the rjson package. Through an example, let me illustrate what I want. My specific case is the output of a recommender system code in R where the X2 X3…
user2878729
- 61
- 1
- 5
2
votes
1 answer
Geocoding with R and Googlemaps API
I use R regularly for statistical analysis but am slowly trying to move to GIS and Spatial visualization with R.
I am trying replicate the geocoding code available at…
vinod
- 87
- 1
- 3
- 7
2
votes
1 answer
fromJSON only reads first line in R
I've got a sample JSON file with about 500 tweets which I'd like to get into a dataframe.
The first three tweets from the JSON file are as follows (urls have been changed deliberately to fit within stackoverflow rules on…
Stuart Millson
- 23
- 1
- 3
2
votes
1 answer
R: Extract JSON Variable Info
I'm trying to download NBA player information from Numberfire and then put that information into a data frame. However I seem to be running into a few issues
The following snippet downloads the information just…
rwdvc
- 455
- 5
- 13
2
votes
1 answer
How to send multiple documents using RMongo
I am following the conventions from http://docs.mongodb.org/manual/reference/method/db.collection.insert/
to send a batch of multiple documents in one call of RMongo::dbInsertDocument.
data=data.frame(A=c(1,2),B=c(3,4)) …
RockScience
- 17,932
- 26
- 89
- 125
2
votes
1 answer
Convert data frame to JSON in this format
I have a data frame that I'm looking to output to JSON in a particular format, with a small sample below:
dat <- structure(list(unit = structure(c(1L, 1L, 1L, 1L, 2L, 2L, 2L,
2L), .Label = c("A", "B"), class = "factor"), type = structure(c(1L,
…
Tommy O'Dell
- 7,019
- 13
- 56
- 69
2
votes
1 answer
json format to csv format conversion, special case
I have a json file whose rows are in the format as follows:
{"checkin_info": {"11-3": 17, "8-5": 1, "15-0": 2, "15-3": 2, "15-5": 2, "14-4": 1, "14- 5": 3, "14-6": 6, "14-0": 2, "14-1": 2, "14-3": 2, "0-5": 1, "1-6": 1, "11-5": 3, "11-4": 11,…
Ayush Raj Singh
- 863
- 5
- 16
- 20
2
votes
0 answers
How to parse JSON in R if not from a URL
I am trying to convert/parse a JSON string in R, but am having trouble.
I have installed both rjson and RJSONIO packages.
library(rjson)
install.packages("rjson")
require(rjson)
Example row of a dataset:
dataset <- data.frame(id = c(1), signup_get…
user1489719
- 119
- 1
- 6
- 12
2
votes
1 answer
How to stream and save Facebook public posts with R?
I'm trying to stream and save public posts through R. I already got the token and made the search. This is what i've done.
require(RCurl)
require(rjson)
data <-…
Luiz Felipe Freitas
- 151
- 2
- 12
1
vote
1 answer
Convert a list to a dataframe
I read the data from a json file using this option
library("rjson")
result <- fromJSON(file = "input.json")
And the result is a list.
I would like to convert this list into a dataframe with colum names.
However, the list has many nested options.…
Erik Brole
- 315
- 9
1
vote
0 answers
parse_stream doesnt seem to convert my json file to a data frame. The result it gives me is null
I am tryin to use parse_stream to convert a json file to a data frame, it doesnt create the data frame instead it shows up under values in r-studio and it is null.
library(rtweet)
library(rjson)
stream_tweets(q='brasil, brazil',timeout =…
lams
- 352
- 1
- 10
1
vote
2 answers
Best way to convert a list into a JSON
I have a script that looks something like this (though not exactly because I obviously can't give my API key and what not to make it fully…
user16497487
1
vote
1 answer
jqr package not matching results from jq
person <- GET(
"https://api.secure.com/v4/people/111322450?$expand=customFields",
accept_json(),
add_headers(Accept = 'application/json',
Authorization = APIKey)
)
capture <- content(person)
dput(capture)
capture <- list(vanId =…
wizkids121
- 634
- 1
- 9
- 22
1
vote
1 answer
merge multiple table with different length and form a single table in R
i am using plumber api for an api. i have multiple sub-tables in which all table are connected with there primary keys (study_id) and i wanted to merge all table with single primary keys to form a single table. Some tables have different length.
for…
Aman Vishwakarma
- 107
- 9