📅 2023-08-25 — Session: Resolved age binning and DataFrame issues in Python
🕒 18:40–19:10
🏷️ Labels: Pandas, Dask, Data_Processing, Age_Binning
📂 Project: Dev
⭐ Priority: MEDIUM
Session Goal
The primary goal of this session was to address and resolve issues related to age binning and DataFrame handling in Python using Pandas and Dask.
Key Activities
- Fixing Age Binning Error: Corrected an error when invoking the
.compute()method on a pandas Series within themap_partitionsfunction by calculating global age bins. - Diagnosing DataFrame Issues: Ensured the
PERSONAvariable retained its DataFrame structure instead of converting to a Series. - Handling Quantile Binning Discrepancies: Investigated discrepancies in quantile binning and suggested using numpy’s percentile function for more accurate bin sizes.
- Implementing Age Binning: Categorized ages into bins and verified the type and value counts of the
PERSONAdataset. - Conversion from Dask to Pandas: Transitioned the
PERSONADataFrame from Dask to Pandas post-binning and confirmed the correctness of the operation. - Modifying Dask DataFrame Process: Adjusted the process to retain
PERSONAas a Dask DataFrame without usingcompute()during age bin creation. - Handling Environment Reset: Re-imported modules and reloaded datasets following an environment reset.
Achievements
- Successfully resolved age binning issues and ensured accurate DataFrame handling.
- Improved the methodology for quantile binning to handle tie values effectively.
Pending Tasks
- Further validation of the binning process to ensure consistency across larger datasets.
- Explore additional optimization techniques for Dask DataFrame operations.