cpt-city

Daily download statistics for the qgs format

moving average

Moving averages over 7 days (black) and 30 days (red) for the last year.

exponential moving average

Exponential moving averages with α = 0.2 (black) and 0.05 (red) for the last year.

 
3 year model

A least-squares linear model fit indicates a current daily download rate of 7.09 with a rate trend of −0.40 per year. Fitting a yearly component (shown right) gives an amplitude of ±1.19 downloads per day.

 
1 year model

Detail on the same data with a fitted weekly component of ±0.29 downloads per day.

 
 
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J.J. Green 2013