Results 31 to 40 of about 6,974,166 (301)

Fair Prediction with Disparate Impact: A Study of Bias in Recidivism Prediction Instruments [PDF]

Big Data, 2016
Recidivism prediction instruments (RPIs) provide decision-makers with an assessment of the likelihood that a criminal defendant will reoffend at a future point in time. Although such instruments are gaining increasing popularity across the country, their
Alexandra Chouldechova
semanticscholar   +1 more source

Improving the calibration of phase measuring deflectometry by a polynomial representation of the display shape

Journal of the European Optical Society-Rapid Publications, 2019
Background Phase measuring deflectometry is a highly precise and full field metrology technique for specular surfaces based on the distortion of known reference patterns observed as a reflection at the surface under test.
Jonas Bartsch, Michael Kalms, Ralf B. Bergmann   +2 more
doaj   +1 more source

Bias in research [PDF]

, 2014
The aim of this article is to outline types of ‘bias’ across research designs, and consider strategies to minimise bias. Evidence-based nursing, defined as the “process by which evidence, nursing theory, and clinical expertise are critically evaluated ...
Easterbrook, Francis, Helen Noble, Joanna Smith, Morse, Petticrew, Scott, Sica, The Lancet, Wakefield   +9 more
core   +1 more source

The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials

British medical journal, 2011
Flaws in the design, conduct, analysis, and reporting of randomised trials can cause the effect of an intervention to be underestimated or overestimated.
Rui Zeng, Jun Chen, Yimin Wang, Qiang Liu   +3 more
semanticscholar   +1 more source

Analysis of compositions of microbiomes with bias correction

Nature Communications, 2020
Differential abundance (DA) analysis of microbiome data continues to be a challenging problem due to the complexity of the data. In this article we define the notion of “sampling fraction” and demonstrate a major hurdle in performing DA analysis of ...
Huang Lin, S. Peddada
semanticscholar   +1 more source

The Marine-Derived Fungus Clonostachys rosea, Source of a Rare Conjugated 4-Me-6E,8E-hexadecadienoic Acid Reducing Viability of MCF-7 Breast Cancer Cells and Gene Expression of Lipogenic Enzymes

Marine Drugs, 2015
A marine-derived strain of Clonostachys rosea isolated from sediments of the river Loire estuary (France) was investigated for its high lipid production. The fungal strain was grown on six different culture media to explore lipid production changes.
Ana Camila Dos Santos Dias, Nicolas Ruiz, Aurélie Couzinet-Mossion, Samuel Bertrand, Muriel Duflos, Yves-François Pouchus, Gilles Barnathan, Hassan Nazih, Gaetane Wielgosz-Collin   +8 more
doaj   +1 more source

High-speed pulse train amplification in semiconductor optical amplifiers with optimized bias current [PDF]

, 2017
In this paper, we have experimentally investigated the optimized bias current of semiconductor optical amplifiers (SOAs) to achieve high-speed input pulse train amplification with high gain and low distortion.
Ghafouri-Shiraz, H., Hou, Lianping, Kelly, Anthony E., Xia, Mingjun   +3 more
core   +1 more source

Full field measurement of guided ultrasonic waves using lensless digital holography and structure function analysis [PDF]

EPJ Web of Conferences
This work discusses the full-field measurement and characterization of guided ultrasonic waves (GUWs) on technical surfaces. The measurement is realized by a lensless digital holography approach with stroboscopic coherent illumination.
Gutiérrez-Cañas Pazos Beñat, Falldorf Claas, Koerdt Michael, May David, Bergmann Ralf B.   +4 more
doaj   +1 more source

Dry metal forming of high alloy steel using laser generated aluminum bronze tools

MATEC Web of Conferences, 2015
Regarding the optimization of forming technology in economic and environmental aspects, avoiding lubricants is an approach to realize the vision of a new green technology. The resulting direct contact between the tool and the sheet in non-lubricated deep
Freiße Hannes, Köhler Henry, Seefeld Thomas, Vollertsen Frank   +3 more
doaj   +1 more source

Experimental and Numerical Investigation of an Overheated Aluminum Droplet Wetting a Zinc-Coated Steel Surface

Metals, 2017
Wetting steel surfaces with liquid aluminum without the use of flux can be enabled by the presence of a zinc-coating. The mechanisms behind this effect are not yet fully understood.
Marius Gatzen, Peer Woizeschke, Tim Radel, Claus Thomy, Frank Vollertsen   +4 more
doaj   +1 more source