Run R through Romanesco

romanesco_r.py

import romanesco

simple = {
    "inputs": [],
    "outputs": [{"name": "output", "type": "number", "format": "number"}],
    "script": "output = 4",
    "mode": "r"
}
print romanesco.run(simple)

tableio = {
    "inputs": [{"name": "input", "type": "table", "format": "r.dataframe"}],
    "outputs": [{"name": "output", "type": "table", "format": "r.dataframe"}],
    "script": "output = input",
    "mode": "r"
}
print romanesco.run(
    tableio,
    {'input': {'format': 'csv', 'data': 'a,b,c\n1,2,3'}},
    {'output': {'format': 'objectlist'}})

columnadd = {
    "mode": "r",
    "name": "Add columns",
    "inputs": [
        {
            "format": "r.dataframe",
            "name": "input",
            "type": "table"
        },
        {
            "format": "text",
            "name": "columnOne",
            "type": "string"
        },
        {
            "format": "text",
            "name": "columnTwo",
            "type": "string"
        },
        {
            "format": "text",
            "name": "outputColumn",
            "type": "string"
        }
    ],
    "outputs": [
        {
            "format": "r.dataframe",
            "name": "output",
            "type": "table"
        }
    ],
    "script": """

# Add some columns
output = input
output[,outputColumn] = input[,columnOne] + input[,columnTwo]

"""
}

print romanesco.run(
    columnadd,
    {
        'input': {'format': 'csv', 'data': 'a,b,c\n1,2,3\n4,5,6'},
        'columnOne': {'format': 'text', 'data': 'a'},
        'columnTwo': {'format': 'text', 'data': 'c'},
        'outputColumn': {'format': 'text', 'data': 'x'}
    },
    {'output': {'format': 'csv'}}
)