B Z@s|dZdZdZdZdZdZedZdZdd lm Z m Z dd l m Z m Z dd lmZdd lmZmZd dZddZddZdS)zNile River Flows.ZrestructuredtextzThis is public domain.z$Nile River flows at Ashwan 1871-1970z This data is first analyzed in: Cobb, G. W. 1978. "The Problem of the Nile: Conditional Solution to a Changepoint Problem." *Biometrika*. 65.2, 243-51. zuThis dataset contains measurements on the annual flow of the Nile as measured at Ashwan for 100 years from 1871-1970.z, There is an apparent changepoint near 1898.z:: Number of observations: 100 Number of variables: 2 Variable name definitions: year - the year of the observations volumne - the discharge at Aswan in 10^8, m^3 ) recfromtxtarray)Series DataFrame)Dataset)dirnameabspathcCs<t}t|jj}d}t||td}t||g||d}|S)z Load the Nile data and return a Dataset class instance. Returns ------- Dataset instance: See DATASET_PROPOSAL.txt for more information. volume)dtype)datanamesendog endog_name) _get_datalistr r rfloatr)r r rr datasetr=lib/python3.7/site-packages/statsmodels/datasets/nile/data.pyload$s   rcCs>tt}t|d|dtd}t|t|j|dd}|S)Nr Zyear)index)r r r r)rrrZastypeintrrcolumns)r r rrrr load_pandas5s    rc Cs:ttt}t|dd}t|ddtd}WdQRX|S)Nz /nile.csvrb,T)Z delimiterr r )rr__file__openrr)filepathfr rrrr=s  rN)__doc__Z __docformat__Z COPYRIGHTZTITLEZSOURCEZ DESCRSHORTZ DESCRLONGZNOTEZnumpyrrZpandasrrZstatsmodels.datasets.utilsros.pathrrrrrrrrrs