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Calling len(ddf) within the 01_datraframe.ipynb tutorial fails due to mismatched dtypes. #236

@mlessig

Description

@mlessig

Describe the issue: Calling len(ddf) within the 01_datraframe.ipynb tutorial fails due to mismatched dtypes. CRSElapsedTime needs to be a float and TailNum needs to be a string.

Minimal Complete Verifiable Example:

Within the notebook, execute this cell:

# load and count number of rows
len(ddf)

Anything else we need to know?: This actually addressed a few cells down in the explanation of why calling .tail() fails. Perhaps the fix is as simple as moving the len() cells after the tail() cells.

Environment:

  • Dask version: 2023.8.1
  • Python version: 3.11.4
  • Operating System: Windows 11 Enterprise 22H2 (22621.2134)
  • Install method (conda, pip, source): Dependencies from pip. Notebook cloned from GitHub.

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