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Informative g-Priors for Logistic Regression

Creator:: Hanson, Timothy E., Branscum, Adam J., and Johnson, Wesley O.
Abstract:: Eliciting information from experts for use in constructing prior distributions for logistic regression coefficients can be challenging. The task is especially difficult when the model contains many predictor variables, because the expert is asked to provide summary information about the probability of “success” for many subgroups of the population. Often,...
Resource Type:: Article
Full Text:: Informative g-Priors for Logistic Regression Hanson, T. E., Branscum, A. J., & Johnson, W. O. (2014

In memoriam: Paul G. Risser (1939–2014)

Creator:: Iverson, Louis R., Collins, Scott, Dangermond, Jack, Forman, Richard, Nassauer, Joan I., Wiens, John, and Wolfe, Erin
Resource Type:: Article
Full Text:: In memoriam: Paul G. Risser (1939–2014) Louis R. Iverson • Scott Collins • Jack Dangermond

Genetic variation in basic density and modulus of elasticity of coastal Douglas-fir

Creator:: Johnson, G. R. and Gartner, Barbara L.
Abstract:: Douglas-fir trees from 39 open-pollinated families at four test locations were assessed to estimate heritability of modulus of elasticity (MOE) and basic density. After trees were felled, sound velocity was measured on 4-m logs with the Director HM200. Disks were taken to estimate dry and green wood density; dynamic MOE...
Resource Type:: Article
Full Text:: coefficient of additive variation Communicated by S. Aitken G. R. Johnson (El) USDA Forest Service

Is long primary growth associated with stem sinuosity in Douglas-fir?

Creator:: Gartner, Barbara L. and Johnson, G. R.
Abstract:: Stem sinuosity is a highly visible stem-form trait in the leaders of fast-growing Douglas-fir (Pseudotsuga menziesii var. (Mirb.) Franco) trees, yet its cause is unknown. We tested the hypotheses that sinuous stems have longer expanses of primary growth than nonsinuous stems (putting the leader at higher risk curvature, induction of...
Resource Type:: Article
Full Text:: in Douglas-fir? Barbara L. Gartner and G.R. Johnson Abstract: Stem sinuosity is a highly visible

Relationships of density, microfibril angle, and sound velocity with stiffness and strength in mature wood of Douglas-fir

Creator:: Lachenbruch, Barbara, Johnson, G. R., Downes, G., and Evans, R.
Abstract:: The relative importance of density, acoustic velocity, and microfibril angle (MFA) for the prediction of the stiffness (MOE) and strength (MOR) has not been well established for Douglas-fir (Pseudotsuga menziesii). MOE and MOR of small clear specimens of mature wood were better predicted by density and velocity than by either...
Resource Type:: Article
Full Text:: ): 648–655. doi:10.1016/j.foreco.2007.01.077. Maguire, D.A., Kanaskie, A., Voelker, W., Johnson, R., and

Effect of growth ring orientation and placement of earlywood and latewood on moe and mor of very-small clear Douglas-fir beams

Creator:: Grotta, A. T., Leichti, R. J., Gartner, Barbara L., and Johnson, G. R.
Abstract:: ASTM standard sizes for bending tests (either 50 × 50 mm or 25 × 25 mm in cross-section) are not always suitable for research purposes that characterize smaller sections of wood. Moreover, the ASTM standards specify loading the sample on the longitudinal-tangential surface. If specimens are small enough, then the...
Resource Type:: Article
Full Text:: , OR 97331 and G. R. Johnson Research Geneticist USDA Forest Service Pacific Northwest Research

Impact of the foliar pathogen Swiss needle cast on wood quality of Douglas-fir

Creator:: Johnson, G. R., Grotta, Amy T., Gartner, Barbara L., and Downes, Geoff
Abstract:: Many stands of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) near coastal areas of Oregon and Washington are heavily infected with the foliar pathogen causing Swiss needle cast (SNC) disease, and yet there is very little research on the resulting wood quality. Modulus of elasticity (MOE), modulus of rupture (MOR), microfibril angle...
Resource Type:: Article
Full Text:: Institute Inc., Cary, N.C. Maguire, D., Kanaskie, A., Voelker, B., Johnson, R., and Johnson, G. 2002

Influence of Bravo fungicide applications on wood density and moisture content of Swiss needle cast affected Douglas-fir trees

Creator:: Johnson, G. R., Gartner, Barbara L., Maguire, Doug, and Kanaskied, Alan
Abstract:: Wood density, moisture content, tracheid width and cell wall size were examined in trees from plots that were sprayed for 5 years with chlorothalonil (Bravo®) fungicide to reduce the impact of Swiss needle cast (SNC) and from trees in adjacent unsprayed plots. The unsprayed (more heavily diseased) trees had significantly...
Resource Type:: Article
Full Text:: ., Johnson, R., Johnson, G., 591 "~,. 2002,' Growth of young Douglas-fir plantations across a

Financial feasibility of marker-aided selection in Douglas-fir

Creator:: Johnson, G. R., Wheeler, N. C., and Strauss, S. H.
Abstract:: The land area required for a marker-aided selection (MAS) program to break-even (i.e., have equal costs and benefits) was estimated using computer simulation for coastal Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) in the Pacific Northwestern United States. We compared the selection efficiency obtained when using an index that included the phenotype...
Resource Type:: Article
Full Text:: Canada Johnson et al. 1945 M o d e l 2 M o d e l 4 M o d e l 4 D M o d e l G e o M o d e

Effects of live crown on vertical patterns of wood density and growth in Douglas-fir

Creator:: Gartner, Barbara L., North, Eric M., Johnson, G. R., and Singleton, Ryan
Abstract:: It would be valuable economically to know what are the biological triggers for formation of mature wood (currently of high value) and (or) what maintains production of juvenile wood (currently of low value), to develop silvicultural regimes that control the relative production of the two types of wood. Foresters commonly...
Resource Type:: Article
Full Text:: L a te w o o d p ro p o rt io n b y ri n g a re a 0.0 0.2 0.4 0.6 c R in g a re a (c

ScholarsArchive@OSU

Informative g-Priors for Logistic Regression

In memoriam: Paul G. Risser (1939–2014)

Genetic variation in basic density and modulus of elasticity of coastal Douglas-fir

Is long primary growth associated with stem sinuosity in Douglas-fir?

Relationships of density, microfibril angle, and sound velocity with stiffness and strength in mature wood of Douglas-fir

Effect of growth ring orientation and placement of earlywood and latewood on moe and mor of very-small clear Douglas-fir beams

Impact of the foliar pathogen Swiss needle cast on wood quality of Douglas-fir

Influence of Bravo fungicide applications on wood density and moisture content of Swiss needle cast affected Douglas-fir trees

Financial feasibility of marker-aided selection in Douglas-fir

Effects of live crown on vertical patterns of wood density and growth in Douglas-fir

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