Results 31 to 40 of about 3,205,265 (299)
Significance of breeding value indicators for prediction of milk yield [PDF]
A comparative assessment of the significance of various indicators of the breeding value of breeding bulls for predicting milk yield in the highly productive herd of the farm economy "Alfa" was carried out.
Shablia V. +4 more
doaj +1 more source
Robust variable selection in partially varying coefficient single-index model [PDF]
By combining basis function approximations and smoothly clipped absolute deviation (SCAD) penalty, this paper proposes a robust variable selection procedure for a partially varying coefficient single-index model based on modal regression.
Deng, C, Lv, Z, Yu, K, Zhu, H
core +1 more source
The Persian walnut (Juglans regia L.) is widely planted in western Europe, either for fruit either for high quality timber production. This tree is generally considered non authoctonous, probably introduced from East some 7000 years ago and spread by ...
Fulvio Ducci +3 more
doaj +1 more source
Variable Selection Bias in Classification Trees Based on Imprecise Probabilities [PDF]
Classification trees based on imprecise probabilities provide an advancement of classical classification trees. The Gini Index is the default splitting criterion in classical classification trees, while in classification trees based on imprecise ...
Strobl, Carolin
core +3 more sources
Optical selection rules of graphene nanoribbons
Optical selection rules for one-dimensional graphene nanoribbons are analytically studied and clarified based on the tight-binding model. A theoretical explanation, through analyzing the velocity matrix elements and the features of wavefunctions, can ...
Chang, C. P. +3 more
core +1 more source
A new index of financial conditions [PDF]
We use factor augmented vector autoregressive models with time-varying coefficients and stochastic volatility to construct a financial conditions index that can accurately track expectations about growth in key US macroeconomic variables.
Koop, Gary, Korobilis, Dimitris
core +5 more sources
A study was conducted with 31 genotypes of pearl millet to identify the potential through correlation, path analysis and discriminant function analysis for yield and yield attributing traits at the Department of Millets, Tamil Nadu Agricultural ...
Venkataramana S. Kalagare1*, N. Meenakshi ganesan1, K. Iyanar2, T. Chitdeshwari3 and C. N. Chandrasekhar4
doaj +1 more source
: Presently, selection indices combine EBV belonging to many phenotypes accounting for production and functional traits. In this situation, ensuring positive genetic trends becomes difficult, especially when an antagonistic genetic relationship between ...
E. Mancin +3 more
doaj +1 more source
Unbiased split selection for classification trees based on the Gini Index [PDF]
The Gini gain is one of the most common variable selection criteria in machine learning. We derive the exact distribution of the maximally selected Gini gain in the context of binary classification using continuous predictors by means of a combinatorial ...
Augustin, Thomas +2 more
core +5 more sources
Purpose: to study the productive potential of new early-maturing maize hybrids of FAO 150–160, selected by All-Russian Research Institute of Irrigated Agriculture, under the boghara conditions, in the north-west of Volgograd region.
Elena V. Chugunova +2 more
doaj +1 more source

