Time Series

Sparsity: when accuracy measure goes wrong

Weekly/Monthly aggregation is a lossy process

What's wrong with promotion forecasts?

Flat forecasts

Choosing the right forecast period

The No1 never asked question about forecasting

Perceived quality issues in forecasting

Convert your web logs into timeseries

Data importing made easy

Forecasting accuracy and data you don't have

Demand Forecasting vs. Sales Forecasting

Notes about concurrent timeseries (i.e. multiparameters)

Missing timeseries vs. Empty timeseries