DTW-Based Hierarchical Clustering for FMCG Sales Time Series

Andrew Chauzov

0

Data Scientist

Python

Objective: Aimed to analyze and cluster Consumer Goods sales data to discover distinct patterns and trends.
Analyzed time series data, performing interpolation and adjustments to varying lengths, removing about 10% of the data for quality assurance.
Employed Dynamic Time Warping (DTW) as the matching algorithm to effectively identify similarities in time series data.
Created a NumPy-based algorithm, systematically aggregating at least two series simultaneously. This algorithm emulated the logic of traditional hierarchical clustering in metric calculation and data aggregation.
Outcome: The algorithm proved highly successful and insightful, simultaneously enabling the effortless clustering of over 10k time series.

https://towardsdatascience.com/time-series-hierarchical-clustering-using-dynamic-time-warping-in-python-c8c9edf2fda5

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Posted Jan 14, 2024

Analyzed Consumer Goods sales data, successfully clustering 10k+ time series with a novel NumPy-based algorithm and Dynamic Time Warping.

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Data Scientist

Python

Andrew Chauzov

Data Scientist & Machine Learning Engineer | NLP

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