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Completed assignment 1#154

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haichenz wants to merge 1 commit intoUofT-DSI:mainfrom
haichenz:assignment-1
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Completed assignment 1#154
haichenz wants to merge 1 commit intoUofT-DSI:mainfrom
haichenz:assignment-1

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@haichenz
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What changes are you trying to make? (e.g. Adding or removing code, refactoring existing code, adding reports)

Completed assignment 1.

What did you learn from the changes you have made?

Find files using glob, and loading parquet files in batch. Working with dask dataframe.

Was there another approach you were thinking about making? If so, what approach(es) were you thinking of?

No. Followed recommended approach for the assignment.

Were there any challenges? If so, what issue(s) did you face? How did you overcome it?

No issues.

How were these changes tested?

Checked number of parquet files found and loaded. Checked the output using head() to ensure lagging and returns are calculated properly. Pandas rolling average are calculated on sorted data within each group of tickers.

A reference to a related issue in your repository (if applicable)

N/A.

Checklist

  • I can confirm that my changes are working as intended

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Hello, thank you for your contribution. If you are a participant, please close this pull request and open it in your own forked repository instead of here. Please read the instructions on your onboarding Assignment Submission Guide more carefully. If you are not a participant, please give us up to 72 hours to review your PR. Alternatively, you can reach out to us directly to expedite the review process.

@haichenz haichenz closed this Jan 18, 2026
@haichenz
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Closing PR due to created by mistake.

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