Results 151 to 160 of about 7,945,193 (294)

The Wald test for empirical Q-matrix validation

open access: yes, 2016
The Q-matrix that specifies required attributes for each item is a crucial component of cognitive diagnostic assessments (CDAs). However, conventional Q-matrix development involves some chance of subjectivity, which can result in validity concerns.
de la Torre, J, Terzi, R
core  

Drought Exposure and Dynamic Input Adjustment in North Central U.S. Agriculture

open access: yesAgribusiness, EarlyView.
ABSTRACT This article examines whether realized extreme drought episodes affect the speed of adjustment of derived input demands and output supplies toward their long‐run equilibrium in U.S. agriculture, focusing on states in the North Central Region.
Victor H. Lana Pinto   +2 more
wiley   +1 more source

Long‐term prognosis is associated with residual disease after neoadjuvant systemic therapy but not with initial nodal status

open access: yesBJS (British Journal of Surgery), EarlyView., 2020
This long‐term follow‐up study determined survival rates in a Swedish national cohort of 417 patients with breast cancer who all had neoadjuvant systemic therapy (NAST). Sentinel lymph node biopsy (SLNB) was performed before NAST in clinically node‐negative and after NAST in clinically node‐positive patients.
L. Zetterlund   +4 more
wiley   +1 more source

Demonstration Training and Test Datasets for a 60/40 split that passes univariate KS 2 sample test and WALD test.

open access: yes
Random random seeds are used, but captured. The KS 2 sample univariate tests are then performed. All columns must pass.If the tests are passed, the WALD test is performed and the WALD test statistic scores captured.
Jan Blomerus (17413770)
core   +1 more source

Biological Resectability in Colorectal Liver Metastases: A Nomogram‐Based Continuous Risk Model to Define Borderline Disease

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
KRAS mutation demonstrated a prognostic impact according to primary tumor sidedness, independent of tumor morphology, in patients undergoing hepatectomy for colorectal liver metastases. A nomogram integrating biological and clinicopathological factors was developed to provide continuous biological risk assessment.
Yuzo Umeda   +9 more
wiley   +1 more source

Adolph Wald Collection.

open access: yes
Questionnaire of the Austrian Heritage Collection at the Leo Baeck Institute, photocopies of clippings, letter from Fred Rosner to Adolph Wald, and of photographs of school classmates.Adolph Wald, 1999Austrian Heritage ...
Wald, Adolph
core  

A Multidimensional Perspective on Network Conditions in Telesurgery

open access: yesAdvanced Intelligent Systems, EarlyView.
A multidimensional framework systematically evaluates how combined network impairments influence telesurgical performance. By jointly analyzing latency, jitter, bandwidth, and packet loss, the proposed methodology identifies relevant network condition parameters and their interactions, supporting the design of reliable and safe telesurgical systems ...
Florian Heemeyer   +4 more
wiley   +1 more source

Food insecurity and unemployment among immigrants in the United States

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Immigrants can be more vulnerable to economic downturns and, during periods of economic hardship, more likely to experience food insecurity compared to natives. This study examines the differential effect of the unemployment rate on the probability of being food insecure among diverse groups of immigrant households relative to natives in the ...
Siwen Zhou   +3 more
wiley   +1 more source

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