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OpenBB/website/content/sdk/reference/econometrics/fe.md
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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>
2023-10-30 21:01:29 +00:00

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---
title: fe
description: This page presents the fe function of the OpenBB Econometrics Module,
explaining its parameters and their functionality. Here, users can find about entity
effects, time effects, and regressors.
keywords:
- OpenBB Econometrics
- fe function
- entity effects
- time effects
- regressors
- Fixed Effects
- PanelOLS model
- regression model
---
import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
<HeadTitle title="econometrics.fe - Reference | OpenBB SDK Docs" />
When effects are correlated with the regressors the RE and BE estimators are not consistent.
Source Code: [[link](https://github.com/OpenBB-finance/OpenBBTerminal/tree/main/openbb_terminal/econometrics/regression_model.py#L351)]
```python
openbb.econometrics.fe(Y: pd.DataFrame, X: pd.DataFrame, entity_effects: bool = False, time_effects: bool = False)
```
---
## Parameters
| Name | Type | Description | Default | Optional |
| ---- | ---- | ----------- | ------- | -------- |
| regression_variables | list | The regressions variables entered where the first variable is<br/>the dependent variable. | None | True |
| data | dict | A dictionary containing the datasets. | None | True |
| entity_effects | bool | Whether to include entity effects | False | True |
| time_effects | bool | Whether to include time effects | False | True |
---
## Returns
| Type | Description |
| ---- | ----------- |
| Tuple[DataFrame, Any, List[Any], Any] | The dataset used,<br/>Dependent variable,<br/>Independent variable,<br/>PanelOLS model with Fixed Effects |
---