---
layout: page
title: "nodetool.data Nodes"
---

This namespace contains 30 node(s).

## Available Nodes

- **[Add Column](addcolumn.md)** - Add list of values as new column to dataframe.
- **[Aggregate](aggregate.md)** - Aggregate dataframe by one or more columns.
- **[Append](append.md)** - Append two dataframes along rows.
- **[Convert JSON to DataFrame](convertjsontodataframe.md)** - Transforms a JSON string into a pandas DataFrame.
- **[Describe](describe.md)** - Compute summary statistics for each numeric column: count, mean, std, min, 25...
- **[Drop Duplicates](dropduplicates.md)** - Remove duplicate rows from dataframe.
- **[Drop NA](dropna.md)** - Remove rows with NA values from dataframe.
- **[Extract Column](extractcolumn.md)** - Convert dataframe column to list.
- **[Fill NA](fillna.md)** - Fill missing values in dataframe.
- **[Filter](filter.md)** - Filter dataframe based on condition.
- **[Filter None](filternone.md)** - Filters out None values from a stream.
- **[Find Row](findrow.md)** - Find the first row in a dataframe that matches a given condition.
- **[For Each Row](foreachrow.md)** - Iterate over rows of a dataframe.
- **[From List](fromlist.md)** - Convert list of dicts to dataframe.
- **[Import CSV](importcsv.md)** - Convert CSV string to dataframe.
- **[Join](join.md)** - Join two dataframes on specified column.
- **[Load CSV Assets](loadcsvassets.md)** - Load dataframes from an asset folder.
- **[Load CSVFile](loadcsvfile.md)** - Load CSV file from file path.
- **[Load CSVURL](loadcsvurl.md)** - Load CSV file from URL.
- **[Merge](merge.md)** - Merge two dataframes along columns.
- **[Pivot](pivot.md)** - Pivot dataframe to reshape data.
- **[Rename](rename.md)** - Rename columns in dataframe.
- **[Save CSVDataframe File](savecsvdataframefile.md)** - Write a pandas DataFrame to a CSV file.
- **[Save Dataframe](savedataframe.md)** - Save dataframe in specified folder.
- **[Schema](schema.md)** - Define a schema for a dataframe.
- **[Select Column](selectcolumn.md)** - Select specific columns from dataframe.
- **[Slice](slice.md)** - Slice a dataframe by rows using start and end indices.
- **[Sort By Column](sortbycolumn.md)** - Sort dataframe by specified column.
- **[To List](tolist.md)** - Convert dataframe to list of dictionaries.
