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2. Fan chart (time series) - Wikipedia

   en.wikipedia.org/wiki/Fan_chart_(time_series)

   In time series analysis, a fan chart is a chart that joins a simple line chart for observed past data, by showing ranges for possible values of future data together with a line showing a central estimate or most likely value for the future outcomes.

3. Linear trend estimation - Wikipedia

   en.wikipedia.org/wiki/Linear_trend_estimation

   Linear trend estimation is a statistical technique used to analyze data patterns. Data patterns, or trends, occur when the information gathered tends to increase or decrease over time or is influenced by changes in an external factor.

4. Autoregressive moving-average model - Wikipedia

   en.wikipedia.org/wiki/Autoregressive_moving...

   The notation AR(p) refers to the autoregressive model of order p.The AR(p) model is written as = = + where , …, are parameters and the random variable is white noise, usually independent and identically distributed (i.i.d.) normal random variables.

5. Error correction model - Wikipedia

   en.wikipedia.org/wiki/Error_correction_model

   Forecasts from such a model will still reflect cycles and seasonality that are present in the data. However, any information about long-run adjustments that the data in levels may contain is omitted and longer term forecasts will be unreliable. This led Sargan (1964) to develop the ECM methodology, which retains the level information. [4] [5]

6. Forecasting - Wikipedia

   en.wikipedia.org/wiki/Forecasting

   Forecasting is the process of making predictions based on past and present data. Later these can be compared with what actually happens. For example, a company might estimate their revenue in the next year, then compare it against the actual results creating a variance actual analysis.

7. Microsoft Excel - Wikipedia

   en.wikipedia.org/wiki/Microsoft_Excel

   Excel for the web is a free lightweight version of Microsoft Excel available as part of Office on the web, which also includes web versions of Microsoft Word and Microsoft PowerPoint. Excel for the web can display most of the features available in the desktop versions of Excel, although it may not be able to insert or edit them.

8. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Demand forecasting - Wikipedia

   en.wikipedia.org/wiki/Demand_forecasting

   Calculating demand forecast accuracy is the process of determining the accuracy of forecasts made regarding customer demand for a product. [14] [15] Understanding and predicting customer demand is vital to manufacturers and distributors to avoid stock-outs and to maintain adequate inventory levels. While forecasts are never perfect, they are ...