Pareto Chart versus Sensitivity Analysis

  • By Admin
  • September 3, 2014
  • Comments Off on Pareto Chart versus Sensitivity Analysis

The Basics of Pareto Charts A Pareto chart contains both a bar chart and a line graph. Individual values are represented in descending order by the bars, and the cumulative … Continue Reading →


The Pitfalls of Forecasting, Part 3

  • By Admin
  • September 3, 2014
  • Comments Off on The Pitfalls of Forecasting, Part 3

Heteroskedasticity Another common problem encountered in time-series forecasting is heteroskedasticity; that is, the variance of the errors increases over time. Figure 1 illustrates this case, where the width of the … Continue Reading →