> For the complete documentation index, see [llms.txt](https://docs.sov.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sov.ai/api-reference/extensions/nowcasting.md).

# Nowcasting

**Module:** `sovai.extensions.nowcasting`

## Functions

### `hash_dataframe()`

```python
def hash_dataframe(df)
```

***

### `nowcast_data_cached()`

```python
def nowcast_data_cached(df_hash, selected_tickers_hash, selected_feature)
```

***

### `nowcast_data_source()`

```python
def nowcast_data_source(df_signal, selected_tickers = None, selected_feature = None)
```

***

### `determine_starting_feature()`

```python
def determine_starting_feature(df)
```

***

### `nowcast_plot_source()`

```python
def nowcast_plot_source(df_signal, feature = None)
```

***