During the last days I've tried to learn more about the mechanics of the rare commodities. To unveil the distribution of the selling prices depending on the distance from the origin system I've travelled approx. 160 LY around Lave (including Sol and some Archenar systems).
During the last days I was searching for a better model function which better fits the distance behaviour of the rare commodities. I finaly found a new model:
This is a modified version of the logistic function. In the last post in this thread I explain the four different parameters of the function.Code:SP(x) = p0 + p1 / ( 1.0 + exp( - ( p2 * ( x – p3 ) ) ) )
Wikipedia Logistic Function
The new results fit the distance dependency much better. The chi²-value decreased multiple orders of magnitude.
From the results of the evaluation I've created a new spreadsheet for calculating the selling price in dependency of the distance to the origin system:
Rare Commodities Distance Dependency Spreadsheet