Implementation:Eventual Inc Daft DataFrame Describe
| Knowledge Sources | |
|---|---|
| Domains | Data_Engineering, Data_Analysis |
| Last Updated | 2026-02-08 00:00 GMT |
Overview
Concrete tool for computing descriptive schema information of a DataFrame provided by the Daft library.
Description
The describe method on a Daft DataFrame returns the schema of the DataFrame as a new DataFrame, providing information about each column. The result is a DataFrame where each row represents a column from the original DataFrame, with columns for the column name and its corresponding data type. This provides a quick way to inspect the structure and types of a dataset.
Usage
Use this method on a DataFrame when you need a quick summary of the DataFrame's schema for data exploration, quality validation, or debugging.
Code Reference
Source Location
- Repository: Daft
- File:
daft/dataframe/dataframe.py - Lines: L2044-2067
Signature
def describe(self) -> "DataFrame"
Import
# Method on DataFrame, no separate import needed
description = df.describe()
I/O Contract
Inputs
| Name | Type | Required | Description |
|---|---|---|---|
| self | DataFrame | Yes | The DataFrame to describe (implicit) |
Outputs
| Name | Type | Description |
|---|---|---|
| return | DataFrame | A new DataFrame with columns "column_name" (String) and "type" (String), one row per column in the original DataFrame |
Usage Examples
Basic Usage
import daft
df = daft.from_pydict({"a": [1, 2, 3], "b": ["x", "y", "z"]})
df.describe().show()
# Output:
# column_name | type
# a | Int64
# b | String