https://campus.datacamp.com/courses/time-series-analysis-in-sql-server/aggregating-time-series-data?ex=10
Downsample to a weekly grain | SQL
Here is an example of Downsample to a weekly grain: Management would like to see how well people have utilized the spa in 2020
to adownsampleweeklygrainsql
https://www.wolfram.com/mathematica/new-in-10/enhanced-sound-and-signal-processing/downsample-2d-elevation-map-for-optimized-renderin.html
Downsample 2D Elevation Map for Optimized Rendering: New in Mathematica 10
elevation mapnew indownsampleoptimizedrendering