growth rate

  1. M

    Problems with estimating the growth of a population.

    Hello to all, and many thanks for reading. I'm currently faced with a problem that, quite frankly, is driving me insane. I'm trying to calculate an estimate, for each decade between 1800 and 2019, of the number of German-descent population in North America (Canada and the U.S.). I came up with...
  2. W

    Statistical Tools for Analysis of Effect of Light, Temp, CO2, and pH on Growth Rate

    My question is, what may be the ideal tools to analyze the data from this experiment and what are some resources you can recommend to learn about them (textbooks, website, etc.). I'm also just starting to learn R so feel free to work that in there. I'm designing undergraduate research to be...
  3. J

    Calculate Growth Rate

    I am not a math major and I have not done development in R before so please take this into account when reading my question. I currently having a program written in C# that calculates historical growth rates for companies using the Compounded annual growth rate formula. I then use this...
  4. J

    ANOVA help - comparing growth rates between groups with 3 replicates in each group

    Hi I'm really pretty lost, statistics have never been my strong point. I need to test whether my growth rate differences between trees are significant or not. I tried the ANOVA: 2 factor with replication on excel, but keep getting an error so I'm not sure if my data is suitable. SO first off...
  5. F

    sales growth-rate with multiple groups-conditions

    Cross-posting @ http://stackoverflow.com/questions/17748340/stata-sales-growth-rate-of-multiple-groups?noredirect=1#comment26020905_17748340 @ german: ="http://www.stata-forum.de/post1716.html#p1716" I want to calculate the annual sales growth rate of different firm-groups in Stata. The firms...