Wraps libraries for reading foreign file formats:
- Evan Miller's Stata, SPSS, ... reader
- Avik Sengupta's Excel reader
- JSON input/output
using DataFrames
using DataFramesIO
s = """[{"id":1, "val":5.5}, {"id":2, "val": 6.6}]"""
df = json2df(s)
json = df2json(df)
df2 = json2df(json)