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76 lines
3.3 KiB
Markdown
Vendored
76 lines
3.3 KiB
Markdown
Vendored
---
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title: combine
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description: This page provides comprehensive documentation on the 'combine' function,
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including its usage with Python, parameters, and clear, practical examples. Combine
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is essential when dealing with datasets, particularly when you need to add specific
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columns.
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keywords:
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- combine
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- datasets
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- columns
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- parameters
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- add columns
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---
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import HeadTitle from '@site/src/components/General/HeadTitle.tsx';
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<HeadTitle title="econometrics /combine - Reference | OpenBB Terminal Docs" />
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The columns you want to add to a dataset. The first argument is the dataset to add columns inand the remaining could be: datasetX.column2,datasetY.column3
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### Usage
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```python
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combine [-d {}] [-c COLUMNS]
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```
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---
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## Parameters
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| Name | Description | Default | Optional | Choices |
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| ---- | ----------- | ------- | -------- | ------- |
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| dataset | Dataset to add columns to | None | True | None |
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| columns | The columns we want to add dataset.column,dataset.column2 | None | True | None |
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---
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## Examples
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```python
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2022 May 31, 04:54 (🦋) /econometrics/ $ load nile
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2022 May 31, 04:54 (🦋) /econometrics/ $ load nile -a nile_2
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2022 May 31, 04:54 (🦋) /econometrics/ $ combine nile -c nile_2.volume
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2022 May 31, 04:55 (🦋) /econometrics/ $ show nile
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Dataset nile | Showing 10 of 100 rows
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┏━━━┳━━━━━━━━━┳━━━━━━━━━┳━━━━━━━━━━━━━━━┓
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┃ ┃ year ┃ volume ┃ nile_2_volume ┃
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┡━━━╇━━━━━━━━━╇━━━━━━━━━╇━━━━━━━━━━━━━━━┩
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│ 0 │ 1871.00 │ 1120.00 │ 1120.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 1 │ 1872.00 │ 1160.00 │ 1160.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 2 │ 1873.00 │ 963.00 │ 963.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 3 │ 1874.00 │ 1210.00 │ 1210.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 4 │ 1875.00 │ 1160.00 │ 1160.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 5 │ 1876.00 │ 1160.00 │ 1160.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 6 │ 1877.00 │ 813.00 │ 813.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 7 │ 1878.00 │ 1230.00 │ 1230.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 8 │ 1879.00 │ 1370.00 │ 1370.00 │
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├───┼─────────┼─────────┼───────────────┤
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│ 9 │ 1880.00 │ 1140.00 │ 1140.00 │
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└───┴─────────┴─────────┴───────────────┘
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```
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---
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