[RC5] Long-term projects: exponential and logarithmic growth

waldo kitty wkitty42 at alltel.net
Mon Sep 6 16:05:35 EDT 2004


Daniel Quintiliani wrote:

> A linear trendline produces:
> 
> y = 3.0401x + 53.134
> R^2 = 0.8519
> 89 years 1 month
> 
> A logarithmic trendline produces:
> 
> y = 43.762Ln(x) - 3.6719
> R^2 = 0.8645
> 454 years 6 months
> 
> They're both pretty close. 

pretty close to what?? sure looks like a huge difference in 89 years and 454 years...

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