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If you keep too much inventory, your expenses go up. But if you reduce too much, you have nothing to sell. Inventory management is a cornerstone of (e)Commerce profitability.
Optimal inventory levels are achieved through sales forecasting. Lokad relies on statistical collaborative algorithms to provide accurate sales forecasts even if the amount of input data is limited.
Product page http://community.lokad.com/DesktopSalesForecasting.ashx