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magi

Pypi Version https://readthedocs.org/projects/magi-docs/badge/?version=latest License Join the chat at https://gitter.im/magi-gitter/Lobby

Overview

magi is a high level python wrapper around other time series forecasting libraries to allow easily parallelized univariate time series forecasting in python by using dask delayed wrapper functions under the hood. In particular, the library currently supports wrappers to R forecast library and facebook's prophet package

Usage

This is how easy it is to clean, forecast, and then plot accuracy metrics for 100 time seres using the auto arima model from R forecast package

Importing libraries, generate dataframe of series for example, and start local dask cluster

from magi.core import forecast
from magi.plotting import fc_plot, acc_plot
from magi.utils import gen_ts
from magi.accuracy import accuracy
from dask.distributed import Client, LocalCluster
import dask
cluster = LocalCluster()
client = Client(cluster)
df = gen_ts(ncols=100)

cleaning and forecasting for 100 series in parallel, then calculate and plot accuracy metrics by series

fc_obj = forecast(time_series=df,forecast_periods=18,frequency=12)
forecast_df = fc_obj.tsclean().R(model='auto.arima(rdata,D=1,stationary=TRUE)',fit=True)
acc_df = accuracy(df,forecast_df,separate_series=True)
acc_plot(acc_df)

Use Cases

What this package should be used for

  • forecasting for 1 or more Univariate Time Series
  • forecasting using many different time series models in parallel with minimal effort
  • wrapper for R forecast library to implement those models in python workflow
  • wrapper around Prophet library to provide easier data framework to work with
  • single source of access for many different time series forecasting models

What this package should NOT be used for

  • Multivariate Time Series data. If you have multiple x variables that are correlated with your response variable, I'd suggest simply using regression with lags and seasonal variable to account for autocorrelation in your error
  • Data exploration - The time series analysis step is much more suited to using the R forecast package directly

Dependencies

  • dask
  • distributed
  • plotly
  • cufflinks
  • rpy2 (& forecast package >=8.3 installed in R)
  • fbprophet

Installation

$ pip install magi

Documentation

Documentation is hosted on Read the Docs.

Disclaimer

This package is still very early in development and should not be relied upon in production. Everything is still subject to change

magi's People

Contributors

davistownsend avatar gitter-badger avatar

Watchers

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