Relationship of Stump Diameter to Diameter at Breast Height for Seven Tree Species in Arizona and New Mexico (Classic Reprint)

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Excerpt from Relationship of Stump Diameter to Diameter at Breast Height for Seven Tree Species in Arizona and New MexicoDS stump diameter, inside bark, in inches An examination of residuals indicated that this model was appropriate, but it also revealed that the squared residuals increased as a linear function of stump diameter. Because of this, the reciprocal of stump diameter was taken as the weight in the weighted least squares regression program used for the rest of the study.Analyses of covariance determined that data sets could be combined across National Forests for each species and that the data set for corkbark fir could be combined With that for Engelmann spruce. As a result, the data for all forests, except the Lincoln (because of the different stump height), were combined.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.