Smoothing a Time Series Plot Using Moving Medians (VCE SSCE General Mathematics): Flashcards
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10 cards from this deck
Moving median smoothing purpose
Moving median smoothing purpose
Smoothing time series data
Main benefit of moving median smoothing
Main benefit of moving median smoothing
Work directly with graph without exact values
Point numbers used in median smoothing
Point numbers used in median smoothing
Only odd numbers (3 or 5)
Step 1 to find median point
Step 1 to find median point
Draw vertical line through middle x-value
Step 2 to find median point
Step 2 to find median point
Draw horizontal line through middle y-value
Step 3 to find median point
Step 3 to find median point
Mark intersection of the two lines
Three-median smoothing group size
Three-median smoothing group size
Three consecutive data points
Five-median smoothing group size
Five-median smoothing group size
Five consecutive data points
Smoother result: 3-median or 5-median?
Smoother result: 3-median or 5-median?
Five-median smoothing
Smoothing effect on data point count
Smoothing effect on data point count
Fewer points than original raw data