Results 51 to 60 of about 14,515,084 (225)

How to Classify, Detect, and Manage Univariate and Multivariate Outliers, With Emphasis on Pre-Registration

open access: yesInternational Review of Social Psychology, 2019
Researchers often lack knowledge about how to deal with outliers when analyzing their data. Even more frequently, researchers do not pre-specify how they plan to manage outliers.
Christophe Leys   +4 more
doaj   +1 more source

Velocity statistics from spectral line data: effects of density-velocity correlations, magnetic field, and shear [PDF]

open access: yes, 2003
In a previous work Lazarian and Pogosyan suggested a technique to extract velocity and density statistics, of interstellar turbulence, by means of analysing statistics of spectral line data cubes.
A. Esquivel   +4 more
core   +1 more source

The Impact of Ignoring Random Slopes in a 1 → 1 → 1 Mediation Model in the Presence of Upper-Level Mediator-Outcome Confounding

open access: yesMethodology
In behavioral sciences, researchers frequently employ mediation analysis with longitudinal data. A common scenario involves the 1 → 1 → 1 mediation model, where the Predictor X, Mediator(s) M, and Outcome Y are all measured at different occasions (Level ...
Jasper Bogaert   +4 more
doaj   +1 more source

Statistical Analysis with Linked Data

open access: yesInternational Statistical Review, 2018
SummaryComputerised Record Linkage methods help us combine multiple data sets from different sources when a single data set with all necessary information is unavailable or when data collection on additional variables is time consuming and extremely costly. Linkage errors are inevitable in the linked data set because of the unavailability of error‐free
Ying Han, Partha Lahiri
openaire   +3 more sources

Statistical analysis of data [PDF]

open access: yesActa Psychiatrica Scandinavica, 1995
The major problem to be tackled in the statistical analysis of data is assessment of the variability in results. No two sets of data are ever likely to be the same even when apparently collected under identical conditions. The quantity of interest is called the response variable.
L. C. Wolstenholme, M. J. Crowder
openaire   +2 more sources

Analysis of Periodontal Data using Circular Statistics [PDF]

open access: yes, 2012
Periodontal disease is a common cause of tooth loss in adults. The severity of periodontal disease is usually quantified based upon the magnitudes of several tooth-level clinical parameters, the most common of which is clinical attachment level (CAL). Re-
Braun, Thomas M, Maitra, Samopriyo
core   +1 more source

Comment: Bayesian Checking of the Second Levels of Hierarchical Models

open access: yes, 2007
We discuss the methods of Evans and Moshonov [Bayesian Analysis 1 (2006) 893--914, Bayesian Statistics and Its Applications (2007) 145--159] concerning checking for prior-data conflict and their relevance to the method proposed in this paper. [arXiv:0802.
Evans, M.
core   +2 more sources

Exploring transcription factors reveals crucial members and regulatory networks involved in different abiotic stresses in Brassica napus L.

open access: yesBMC Plant Biology, 2018
Background Brassica napus (B. napus) encompasses diverse transcription factors (TFs), but thorough identification and characterization of TF families, as well as their transcriptional responsiveness to multifarious stresses are still not clear.
Pei Wang   +10 more
doaj   +1 more source

Spatial autocorrelation approaches to testing residuals from least squares regression

open access: yes, 2015
In statistics, the Durbin-Watson test is always employed to detect the presence of serial correlation of residuals from a least squares regression analysis. However, the Durbin-Watson statistic is only suitable for ordered time or spatial series.
Chen, Yanguang
core   +3 more sources

Cost-effectiveness analysis of COVID-19 variants effects in an age-structured model

open access: yesScientific Reports, 2023
This study analyzes the impact of COVID-19 variants on cost-effectiveness across age groups, considering vaccination efforts and nonpharmaceutical interventions in Republic of Korea.
Giphil Cho   +4 more
doaj   +1 more source

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