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  2. Linear trend estimation - Wikipedia

    en.wikipedia.org/wiki/Linear_trend_estimation

    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. Linear trend estimation essentially creates a straight line on a graph of data that models the general direction that the data is heading.

  3. Demand forecasting - Wikipedia

    en.wikipedia.org/wiki/Demand_forecasting

    The model was based on a linear regression model, and is used to measure linear trends based on seasonal cycles and their affects on demand i.e. the seasonal demand for a product based on sales in summer and winter. The linear regression model is described as: = + +

  4. Moving average - Wikipedia

    en.wikipedia.org/wiki/Moving_average

    The Moving Median is a more robust alternative to the Moving Average when it comes to estimating the underlying trend in a time series. While the Moving Average is optimal for recovering the trend if the fluctuations around the trend are normally distributed, it is susceptible to the impact of rare events such as rapid shocks or anomalies.

  5. Tracking signal - Wikipedia

    en.wikipedia.org/wiki/Tracking_signal

    Forecasts can relate to sales, inventory, or anything pertaining to an organization's future demand. The tracking signal is a simple indicator that forecast bias is present in the forecast model. It is most often used when the validity of the forecasting model might be in doubt.

  6. Trend analysis - Wikipedia

    en.wikipedia.org/wiki/Trend_analysis

    Trend analysis is the widespread practice of collecting information and attempting to spot a pattern. In some fields of study, the term has more formally defined meanings. In some fields of study, the term has more formally defined meanings.

  7. How To Calculate Sales Tax: A Step-by-Step Guide - AOL

    www.aol.com/calculate-sales-tax-step-step...

    Use this sales tax formula: sales tax = list price x sales tax rate (as a decimal). For example, Sarah is purchasing a refrigerator. The refrigerator is on sale for $1,200 and her sales tax rate ...

  8. Compound annual growth rate - Wikipedia

    en.wikipedia.org/wiki/Compound_annual_growth_rate

    Analyzing and communicating the behavior, over a series of years, of different business measures such as sales, market share, costs, customer satisfaction, and performance. Calculating mean annualized growth rates of economic data, such as gross domestic product, over annual, quarterly or monthly time intervals. [6]

  9. Simple linear regression - Wikipedia

    en.wikipedia.org/wiki/Simple_linear_regression

    The formulas given in the previous section allow one to calculate the point estimates of α and β — that is, the coefficients of the regression line for the given set of data. However, those formulas do not tell us how precise the estimates are, i.e., how much the estimators α ^ {\displaystyle {\widehat {\alpha }}} and β ^ {\displaystyle ...