Results 271 to 280 of about 5,579,561 (370)

Random packings and coverings in random trees

open access: yesAequationes Mathematicae, 1972
Moon, J.W., Meir, A.
openaire   +2 more sources

Risk Factors and Predictive Models for Sarcopenia in Older Adults

open access: yesAGING MEDICINE, EarlyView.
Independent risk factors for sarcopenia identified by Lasso regression and logistic regression in the study were BMI, prealbumin, albumin/globulin ratio (A/G ratio), serum creatinine, and phosphorus. These factors were used to construct a nomogram model and a decision tree model. Both models showed effectiveness in predicting sarcopenia in older adults,
Shiyuan Zhang   +9 more
wiley   +1 more source

Measuring specialty crop grower willingness to pay for genetic modification and genetic editing

open access: yesAgribusiness, EarlyView.
Abstract In contrast to the widespread adoption of agricultural commodities modified using biotechnology, the adoption rate of bioengineered specialty crops by growers remains low. The use of bioengineered crops has been controversial since their introduction in the 1990s due to concerns about their potentially harmful effects to human health, the ...
Marie Abbey   +5 more
wiley   +1 more source

Random forests algorithm using basic medical data for predicting the presence of colonic polyps. [PDF]

open access: yesFront Surg
Avram MF   +6 more
europepmc   +1 more source

Function Series, Catalan Numbers, and Random Walks on Trees [PDF]

open access: green, 2005
Ibtesam Bajunaid   +3 more
openalex   +1 more source

Product differentiation in the fruit industry: Lessons from trademarked apples

open access: yesAgribusiness, EarlyView.
Abstract We derive price premiums for patented or trademarked apple varieties, also known as “club apples,” compared to open‐variety apples. We use an expansive retail scanner dataset, along with unique data on apple taste characteristics, to estimate monthly club apple premiums for 2008–2018.
Modhurima Dey Amin   +3 more
wiley   +1 more source

Potential tree cover under current and future climate scenarios. [PDF]

open access: yesSci Data
Roebroek CTJ   +5 more
europepmc   +1 more source

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