---
metadata:
  - name: generator
    content: Diplodoc Platform v5.50.3
alternate:
  - https://catboost.ai/docs/en/concepts/python-reference_pool_attributes.md
---
> **Documentation Index:** Fetch the complete configuration index at https://catboost.ai/docs/en/llms.txt

# Attributes

## shape {#shape}

#### Purpose

Return the shape of the dataset in the following format:
```python
(num_row, num_col)
```

- `num_row` is the number of objects contained in the dataset.
- `num_col` is the number of columns that contain feature data.

#### Type
tuple


## is_empty_ {#is_empty_}

#### Purpose

Indicates that an empty array was input.

#### Type
bool