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* add first iteration of content for Terminal Pro * Update index.md * Update dashboards.md * Update folders.md * Update grouping.md * Update report.md * Update templates.md * Update quick-start.md * Update index.md * Update index.md * Update home.md * Update news.md * Update index.md * Update index.md * Update index.md * Update data-provider.md * Update chat-with-widget.md * Update data-manipulation.md * Update forecasting.md * fix: images self closing tags * fix: only pro visitors can see pro * inter font * improve SEO content and restructuring * add new package for toggle on tutorials * move folder around * improve main page of each prod * small updates and improvements * fix logo above * small improvement in headtitle for portfolio funcs * fix typos from OpenAI's GPT-4 * fix _category_ json * remove generic SEO words * add script that generates SEO for documentation * add missing file * remove sdk warning message * fix links for andrew --------- Co-authored-by: jose-donato <zmcdonato@gmail.com> Co-authored-by: jose-donato <43375532+jose-donato@users.noreply.github.com> Co-authored-by: andrewkenreich <andrew.kenreich@gmail.com>
46 lines
1.4 KiB
Markdown
Vendored
46 lines
1.4 KiB
Markdown
Vendored
---
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title: fdols
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description: This documentation page provides information on First Differencing (fdols)
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- an alternative to using fixed effects when there is possible correlation. It contains
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the source code link, explanation of parameters and return details.
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keywords:
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- First Differencing
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- fdols
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- Fixed effects
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- Dependent variable
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- Independent variable
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- Regression variables
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- OLS model
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---
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import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
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<HeadTitle title="econometrics.fdols - Reference | OpenBB SDK Docs" />
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First differencing is an alternative to using fixed effects when there might be correlation.
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Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/econometrics/regression_model.py#L399)]
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```python
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openbb.econometrics.fdols(Y: pd.DataFrame, X: pd.DataFrame)
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```
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---
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## Parameters
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| Name | Type | Description | Default | Optional |
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| ---- | ---- | ----------- | ------- | -------- |
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| regression_variables | list | The regressions variables entered where the first variable is<br/>the dependent variable. | None | True |
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| data | dict | A dictionary containing the datasets. | None | True |
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---
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## Returns
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| Type | Description |
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| ---- | ----------- |
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| Tuple[DataFrame, Any, List[Any], Any] | The dataset used,<br/>Dependent variable,<br/>Independent variable,<br/>First Difference OLS model |
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---
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