. Estimating value and volume of ponderosa pine trees by equations. Ponderosa pine; Lumber Mensuration; Lumber Prices. Table 1 shows comparisons of estimated and actual values for the 34 subsample trees. Figures 1 and 2 show that the estimates of value and volume are about equally split by the 45-degree line. Table l--Comparison of estimated and actual selling value and volume of lumber from 34 ponderosa pine trees Item Total value Difference Total lumber volume Difference Dollars Percent Board feet Percent Estimated Actual 6, ) 5, ) + 29,865) 27,904$ + Mean deviation +
. Estimating value and volume of ponderosa pine trees by equations. Ponderosa pine; Lumber Mensuration; Lumber Prices. Table 1 shows comparisons of estimated and actual values for the 34 subsample trees. Figures 1 and 2 show that the estimates of value and volume are about equally split by the 45-degree line. Table l--Comparison of estimated and actual selling value and volume of lumber from 34 ponderosa pine trees Item Total value Difference Total lumber volume Difference Dollars Percent Board feet Percent Estimated Actual 6, ) 5, ) + 29,865) 27,904$ + Mean deviation + +58 Mean absolute deviation 93. 0 100 200 300 400 500 600 700 Estimated value (dollars) Figure 1.—Actual value versus estimated value of ponderosa pine Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Plank, Marlin E. cn; Pacific Northwest Forest and Range Experiment Station (Portland, Or. ) cn. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture, Forest Service
Size: 1866px × 1339px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectponderosapine
