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        "author": "Skipper Seabold, Josef Perktold",
        "author_email": "pystatsmodels@googlegroups.com",
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        "classifiers": [
            "Development Status :: 4 - Beta",
            "Environment :: Console",
            "Intended Audience :: Developers",
            "Intended Audience :: Science/Research",
            "License :: OSI Approved :: BSD License",
            "Operating System :: OS Independent",
            "Programming Language :: Python :: 2.5",
            "Programming Language :: Python :: 2.6",
            "Programming Language :: Python :: 2.7",
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        "description": "What it is\r\n==========\r\n\r\nStatsmodels is a Python package that provides a complement to scipy for\r\nstatistical computations including descriptive statistics and\r\nestimation of statistical models.\r\n\r\n.. note:: The name of `scikits.statsmodels` has been changed to `statsmodels`,\r\n   the new version is at http://pypi.python.org/pypi/statsmodels\r\n\r\nMain Features\r\n=============\r\n\r\n* regression: Generalized least squares (including weighted least squares and\r\n  least squares with autoregressive errors), ordinary least squares.\r\n* glm: Generalized linear models with support for all of the one-parameter\r\n  exponential family distributions.\r\n* discrete choice models: Poisson, probit, logit, multinomial logit\r\n* rlm: Robust linear models with support for several M-estimators.\r\n* tsa: Time series analysis models, including ARMA, AR, VAR\r\n* nonparametric : (Univariate) kernel density estimators\r\n* datasets: Datasets to be distributed and used for examples and in testing.\r\n* PyDTA: Tools for reading Stata .dta files into numpy arrays.\r\n* stats: a wide range of statistical tests\r\n* sandbox: There is also a sandbox which contains code for generalized additive \r\n  models (untested), mixed effects models, cox proportional hazards model (both\r\n  are untested and still dependent on the nipy formula framework), generating\r\n  descriptive statistics, and printing table output to ascii, latex, and html.\r\n  There is also experimental code for systems of equations regression,\r\n  time series models, panel data estimators and information theoretic measures.  \r\n  None of this code is considered \"production ready\".\r\n\r\n\r\nWhere to get it\r\n===============\r\n\r\nDevelopment branches will be on Github. This is where to go to get the most\r\nup to date code in the trunk branch. Experimental code is hosted here\r\nin branches and in developer forks. This code is merged to master often. We \r\ntry to make sure that the master branch is always stable.\r\n\r\nhttps://www.github.com/statsmodels/statsmodels\r\n\r\nSource download of stable tags will be on SourceForge.\r\n\r\nhttps://sourceforge.net/projects/statsmodels/\r\n\r\nor\r\n\r\nPyPi: http://pypi.python.org/pypi/scikits.statsmodels/\r\n\r\n\r\nInstallation from sources\r\n=========================\r\n\r\nIn the top directory, just do::\r\n\r\n    python setup.py install\r\n\r\nSee INSTALL.txt for requirements or\r\n\r\nhttp://statsmodels.sourceforge.net/\r\n\r\nFor more information.\r\n\r\n\r\nLicense\r\n=======\r\n\r\nSimplified BSD\r\n\r\n\r\nDocumentation\r\n=============\r\n\r\nThe official documentation is hosted on SourceForge.\r\n\r\nhttp://statsmodels.sourceforge.net/\r\n\r\nThe sphinx docs are currently undergoing a lot of work. They are not yet\r\ncomprehensive, but should get you started.\r\n\r\nOur blog will continue to be updated as we make progress on the code.\r\n\r\nhttp://scipystats.blogspot.com\r\n\r\n\r\nWindows Help\r\n============\r\nThe source distribution for Windows includes a htmlhelp file (statsmodels.chm).\r\nThis can be opened from the python interpreter ::\r\n\r\n>>> import scikits.statsmodels.api as sm\r\n>>> sm.open_help()\r\n\r\n\r\nDiscussion and Development\r\n==========================\r\n\r\nAll chatter will take place on the or scipy-user mailing list. We are very\r\ninterested in receiving feedback about usability, suggestions for improvements,\r\nand bug reports via the mailing list or the bug tracker at\r\n\r\nhttps://github.com/statsmodels/statsmodels/issues\r\n\r\nThere is also a google group at\r\n\r\nhttp://groups.google.com/group/pystatsmodels\r\n\r\nto discuss development and design issues that are deemed to be too specialized\r\nfor the scipy-dev/user list.\r\n\r\n\r\nPython 3\r\n========\r\n\r\nscikits.statsmodels has been ported and tested for Python 3.2. Python 3\r\nversion of the code can be obtained by running 2to3.py over the entire\r\nstatsmodels source. The numerical core of statsmodels worked almost without\r\nchanges, however there can be problems with data input and plotting.\r\nThe STATA file reader and writer in iolib.foreign has not been ported yet.\r\nAnd there are still some problems with the matplotlib version for Python 3\r\nthat was used in testing. Running the test suite with Python 3.2 shows some\r\nerrors related to foreign and matplotlib.\r\n\r\n\r\nRelease History\r\n===============\r\n\r\n0.3.1\r\n-----\r\n\r\n* Removed academic-only WFS dataset.\r\n* Fix easy_install issue on Windows.\r\n\r\n0.3.0\r\n-----\r\n\r\n*Changes that break backwards compatibility*\r\n\r\nAdded api.py for importing. So the new convention for importing is::\r\n\r\n    import scikits.statsmodels.api as sm\r\n\r\nImporting from modules directly now avoids unnecessary imports and increases\r\nthe import speed if a library or user only needs specific functions.\r\n\r\n* sandbox/output.py -> iolib/table.py\r\n* lib/io.py -> iolib/foreign.py (Now contains Stata .dta format reader)\r\n* family -> families\r\n* families.links.inverse -> families.links.inverse_power\r\n* Datasets' Load class is now load function.\r\n* regression.py -> regression/linear_model.py\r\n* discretemod.py -> discrete/discrete_model.py\r\n* rlm.py -> robust/robust_linear_model.py\r\n* glm.py -> genmod/generalized_linear_model.py\r\n* model.py -> base/model.py\r\n* t() method -> tvalues attribute (t() still exists but raises a warning)\r\n\r\n*Main changes and additions*\r\n\r\n* Numerous bugfixes.\r\n* Time Series Analysis model (tsa)\r\n\r\n  - Vector Autoregression Models VAR (tsa.VAR)\r\n  - Autogressive Models AR (tsa.AR)\r\n  - Autoregressive Moving Average Models ARMA (tsa.ARMA)\r\n    optionally uses Cython for Kalman Filtering\r\n    use setup.py install with option --with-cython\r\n  - Baxter-King band-pass filter (tsa.filters.bkfilter)\r\n  - Hodrick-Prescott filter (tsa.filters.hpfilter)\r\n  - Christiano-Fitzgerald filter (tsa.filters.cffilter)\r\n\r\n* Improved maximum likelihood framework uses all available scipy.optimize solvers\r\n* Refactor of the datasets sub-package.\r\n* Added more datasets for examples.\r\n* Removed RPy dependency for running the test suite.\r\n* Refactored the test suite.\r\n* Refactored codebase/directory structure.\r\n* Support for offset and exposure in GLM.\r\n* Removed data_weights argument to GLM.fit for Binomial models.\r\n* New statistical tests, especially diagnostic and specification tests\r\n* Multiple test correction\r\n* General Method of Moment framework in sandbox\r\n* Improved documentation\r\n* and other additions\r\n\r\n\r\n0.2.0\r\n-----\r\n\r\n*Main changes*\r\n\r\n * renames for more consistency\r\n   RLM.fitted_values -> RLM.fittedvalues\r\n   GLMResults.resid_dev -> GLMResults.resid_deviance\r\n * GLMResults, RegressionResults:\r\n   lazy calculations, convert attributes to properties with _cache\r\n * fix tests to run without rpy\r\n * expanded examples in examples directory\r\n * add PyDTA to lib.io -- functions for reading Stata .dta binary files\r\n   and converting\r\n   them to numpy arrays\r\n * made tools.categorical much more robust\r\n * add_constant now takes a prepend argument\r\n * fix GLS to work with only a one column design\r\n\r\n*New*\r\n\r\n * add four new datasets\r\n\r\n   - A dataset from the American National Election Studies (1996)\r\n   - Grunfeld (1950) investment data\r\n   - Spector and Mazzeo (1980) program effectiveness data\r\n   - A US macroeconomic dataset\r\n * add four new Maximum Likelihood Estimators for models with a discrete\r\n   dependent variables with examples\r\n\r\n   - Logit\r\n   - Probit\r\n   - MNLogit (multinomial logit)\r\n   - Poisson\r\n\r\n*Sandbox*\r\n\r\n * add qqplot in sandbox.graphics\r\n * add sandbox.tsa (time series analysis) and sandbox.regression (anova)\r\n * add principal component analysis in sandbox.tools\r\n * add Seemingly Unrelated Regression (SUR) and Two-Stage Least Squares\r\n   for systems of equations in sandbox.sysreg.Sem2SLS\r\n * add restricted least squares (RLS)\r\n\r\n\r\n0.1.0b1\r\n-------\r\n * initial release",
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