U Kv f[@sHdZddlmZdZdZdZdZdZdZ d Z d d Z d d Z ddZ dS)zName of dataset.)utilsZrestructuredtextzThis is public domain.z"Engel (1857) food expenditure dataae This dataset was used in Koenker and Bassett (1982) and distributed alongside the ``quantreg`` package for R. Koenker, R. and Bassett, G (1982) Robust Tests of Heteroscedasticity based on Regression Quantiles; Econometrica 50, 43-61. Roger Koenker (2012). quantreg: Quantile Regression. R package version 4.94. http://CRAN.R-project.org/package=quantreg zEngel food expenditure data.zUData on income and food expenditure for 235 working class households in 1857 Belgium.z:: Number of observations: 235 Number of variables: 2 Variable name definitions: income - annual household income (Belgian francs) foodexp - annual household food expenditure (Belgian francs) cCstS)z Load the data and return a Dataset class instance. Returns ------- Dataset See DATASET_PROPOSAL.txt for more information. ) load_pandasrrC/tmp/pip-unpacked-wheel-2v6byqio/statsmodels/datasets/engel/data.pyload!s rcCst}tj|dddS)Nr)Z endog_idxZexog_idx) _get_dataduZprocess_pandas)datarrrr-srcCs ttdS)Nz engel.csv)rZload_csv__file__rrrrr2srN)__doc__Zstatsmodels.datasetsrrZ __docformat__Z COPYRIGHTZTITLEZSOURCEZ DESCRSHORTZ DESCRLONGZNOTErrrrrrrs