## Matchacurve - 1 for algebraic transforms to describe sigmoid - or - bell - shaped curvesIntermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1970 - Mathematics - 22 pages |

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adjoining standards Alternative analyst ANALYST'S CURVES Apply Matchacurve becoming asymptotic bell-shaped curve bracket the overlay CD _ CD CD xi CD id CD rd CD ro Oi CD tn CD tn x CD X CD CN C CN curve form curve specified dA/A data set departures desk calculator family of curves figure fitted model fitting process Forest and Range graphed curve graphs are attributable Hand calculations hand-fits HOMEYER id CD id id Idaho inch intercept Intermountain Forest Interpolation JA/A Jensen least squares fit match Matchacurve X transform mathematical form mirror image Montana in cooperation original graphed form original Y values overlay curve plotted data points plotted points Range Experiment Station rd c id rd CD rd rd scaled inflection point sigmoid T3 XI tn rd TRANSFORMS TO DESCRIBE Utah in cooperation Utah State University values by least X/Xp XI C CD XI CD XJ CD Y/Yp zero