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econtools-0.3.2
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مشاهده بیشترتوضیحات
Econometrics and other tools
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | econtools-0.3.2 |
| نام | econtools |
| نسخه کتابخانه | 0.3.2 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Daniel M. Sullivan |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | http://www.danielmsullivan.com/econtools |
| آدرس اینترنتی | https://pypi.org/project/econtools/ |
| مجوز | BSD |
# econtools
*econtools* is a Python package of econometric functions and convenient
shortcuts for data work with [pandas](http://github.com/pydata/pandas) and
[numpy](https://github.com/numpy/numpy). Full documentation
[here](http://www.danielmsullivan.com/econtools).
## Installation
You can install directly from PYPI:
```bash
$ pip install econtools
```
Or you can clone from Github and install directly.
```bash
$ git clone http://github.com/dmsul/econtools
$ cd econtools
$ python setup.py install
```
## Econometrics
- OLS, 2SLS, LIML
- Option to absorb any variable via within-transformation (a la `areg` in Stata)
- Robust standard errors
- HAC (`robust`/`hc1`, `hc2`, `hc3`)
- Clustered standard errors
- Spatial HAC (SHAC, aka Conley standard errors) with uniform and triangle
kernels
- F-tests by variable name or `R` matrix.
- Local linear regression.
- WARNING [31 Oct 2019]: Predicted values (yhat and residuals) may not be as
expected in transformed regressions (when using fixed effects or using
weights). That is, the current behavior is different from Stata. I am looking
into this and will post a either a fix or a justification of current behavior
in the near future.
```python
import econtools
import econtools.metrics as mt
# Read Stata DTA file
df = econtools.read('my_data.dta')
# Estimate OLS regression with fixed-effects and clustered s.e.'s
result = mt.reg(df, # DataFrame to use
'y', # Outcome
['x1', 'x2'], # Indep. Variables
fe_name='person_id', # Fixed-effects using variable 'person_id'
cluster='state' # Cluster by state
)
# Results
print(result.summary) # Print regression results
beta_x1 = result.beta['x1'] # Get coefficient by variable name
r_squared = result.r2a # Get adjusted R-squared
joint_F = result.Ftest(['x1', 'x2']) # Test for joint significance
equality_F = result.Ftest(['x1', 'x2'], equal=True) # Test for coeff. equality
```
## Regression and Summary Stat Tables
- `outreg` takes regression results and creates a LaTeX-formatted tabular
fragment.
- `table_statrow` can be used to add arbitrary statistics, notes, etc. to a
table. Can also be used to create a table of summary statistics.
- `write_notes` makes it easy to save table notes that depend on your data.
## Misc. Data Manipulation Tools
- `stata_merge` wraps `pandas.merge` and adds a lot of Stata's merge niceties
like a `'_m'` flag for successfully merge observations.
- `group_id` generates an ID based on the variables past (compare `egen
group`).
- Crosswalks of commonly used U.S. state labels.
- State abbreviation to state name (and reverse).
- State fips to state name (and reverse).
## Data I/O
- `read` and `write`: Use the passed file path's extension to determine which
`pandas` I/O method to use. Useful for writing functions that
programmatically read DataFrames from disk which are saved in different
formats. See examples above and below.
- `load_or_build`: A function decorator that caches datasets to disk.
This function builds the requested dataset and saves it to disk if it
doesn't already exist on disk. If the dataset is already saved, it simply
loads it, saving computational time and allowing the use of a single function
to both load and build data.
```python
from econtools import load_or_build, read
@load_or_build('my_data_file.dta')
def build_my_data_file():
"""
Cleans raw data from CSV format and saves as Stata DTA.
"""
df = read('raw_data.csv')
# Clean the DataFrame
return df
```
File type is automatically detected from the passed filename. In this case,
Stata DTA from `my_data_file.dta`.
- `save_cli`: Simple wrapper for `argparse` that let's you use a `--save` flag
on the command line. This lets you run a regression without over-writing the
previous results and without modifying the code in any way (i.e., commenting
out the "save" lines).
In your regression script:
```python
from econtools import save_cli
def regression_table(save=False):
""" Run a regression and save output if `save == True`. """
# Regression guts
if __name__ == '__main__':
save = save_cli()
regression_table(save=save)
```
In the command line/bash script:
```bash
python run_regression.py # Runs regression without saving output
python run_regression.py --save # Runs regression and saves output
```
## Requirements
- Python 3.6+
- Pandas and its dependencies (Numpy, etc.)
- Scipy and its dependencies
- Pytables (optional, if you use HDF5 files)
- PyTest (optional, if you want to run the tests)
نیازمندی
| مقدار | نام |
|---|---|
| >=0.16.0 | pandas |
| >=1.9.2 | numpy |
| - | scipy |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl econtools-0.3.2:
pip install econtools-0.3.2.whl
نصب پکیج tar.gz econtools-0.3.2:
pip install econtools-0.3.2.tar.gz