trend analysis

  1. D

    How to analyze the change in incidence over time?

    Hello I am studying the change in incidence of a specific type of surgery over time. I have 1 independent variable which is YEAR (continuous), and one dependent variable (rate of surgery/incidence per 100,000 population). There is a downward trend observed, but I would like to analyze it...
  2. K

    confidence intervals for linear regression

    Hi, newbie here, so please forgive the bad terminology. I started with ten years of historical data. I used Excel to give me a linear trendline and equation. I used that equation to get the forecasted data points for the following ten years. So far so good. Now I want to get the data...