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Analysis

Model 2.13

Citation Author(s):
Konstantinos Theodorakos
Submitted by:
Konstantinos Theodorakos
Last updated:

Abstract

Model 2.12

 

Clustered-meter average monthly ratios

 

 

Monthly (kWh) consumption clustering:

 

1. Twelve clustering models (one per month of signup): Sub-space euclidean Gaussian Mixture Models (GMM) clustering.

2. Clustering using (daily kWh) consumption extracted features. Cluster count set to 2-6: Adjusted (with penalty term for cluster count un-evenness) silhouette index choses the cluster count.

 

Forecasting for a meter: Using the mean monthly consumption + in-cluster month-to-month ratios.

 

Clustering

 

Features (170) from weekend/weekday and full series:

- Statistical: median, variance, quantiles, ...

- Time-series: autocorrelations, trends, seasonalities, ...

- Dimensionality reduction: 20 components of Uniform Manifold Approximation and Projection (UMAP).

- Normalization: zero mean, STDEV 1 standardization.