Using statistical models to predict future sales




Graphing and Sales Trend Visualization
Select a dataset:
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Weather, Sales Trend demand forecasting
This graphing tool provides a simple way to visualize how sales have changed over time. In addition, a simple regression equation is calculated and an estimate of sales (based solely on a quadratic time-trend and whether or not it was a weekend or weekday) can be overlayed onto the graph of actual sales.
Step 1. Select a dataset from the following list:

Note: When you log in or register, you can create, manage, and store your own datasets online. Once stored, you can analyze your datasets using our free online tools (including the multiple regression analysis tool). As a guest, you can experiment with sample datasets, but any changes you make to the data will not be applied.
To proceed, select a dataset from the list above, or select a different online tool using the list below:
= Regression Analysis = Sales Trend Analysis with Summary Stats
= Bar Graph of Data = Manage or Edit Datasets
= Explore data/weather relationships and build your own model


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