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adding key to df.to_hdf calls to avoid warning #254

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Merged
ShebMichel merged 1 commit into from
Dec 9, 2025
Merged

adding key to df.to_hdf calls to avoid warning #254

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2 changes: 1 addition & 1 deletion episodes/03-transform.md
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Expand Up @@ -736,7 +736,7 @@ We can write a Pandas `DataFrame` to an HDF5 file like this:
```python
filename = 'gd1_data.hdf'

results_df.to_hdf(filename, 'results_df', mode='w')
results_df.to_hdf(filename, key='results_df', mode='w')
```

Because an HDF5 file can contain more than one Dataset, we have to
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4 changes: 2 additions & 2 deletions episodes/04-motion.md
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Expand Up @@ -568,7 +568,7 @@ We can add to our existing Pandas `DataFrame` to an HDF5 file by omitting the `m
```python
filename = 'gd1_data.hdf'

selected_df.to_hdf(filename, 'selected_df')
selected_df.to_hdf(filename, key='selected_df')
```

Because an HDF5 file can contain more than one Dataset, we have to
Expand All @@ -592,7 +592,7 @@ Hint: Since the file already exists, you should *not* use `mode='w'`.
## Solution

```python
centerline_df.to_hdf(filename, 'centerline_df')
centerline_df.to_hdf(filename, key='centerline_df')
```

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