Search Results - "Chen, James J."
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1
A heuristic approach to determine an appropriate number of topics in topic modeling
Published in BMC bioinformatics (25-09-2015)“…Topic modelling is an active research field in machine learning. While mainly used to build models from unstructured textual data, it offers an effective means…”
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2
Text mining for identifying topics in the literatures about adolescent substance use and depression
Published in BMC public health (19-03-2016)“…Both adolescent substance use and adolescent depression are major public health problems, and have the tendency to co-occur. Thousands of articles on…”
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3
Use of data mining at the Food and Drug Administration
Published in Journal of the American Medical Informatics Association : JAMIA (01-03-2016)“…Objectives This article summarizes past and current data mining activities at the United States Food and Drug Administration (FDA). Target audience We address…”
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4
Assessment of performance of survival prediction models for cancer prognosis
Published in BMC medical research methodology (23-07-2012)“…Cancer survival studies are commonly analyzed using survival-time prediction models for cancer prognosis. A number of different performance metrics are used to…”
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5
Reproducibility of microarray data: a further analysis of microarray quality control (MAQC) data
Published in BMC bioinformatics (25-10-2007)“…Many researchers are concerned with the comparability and reliability of microarray gene expression data. Recent completion of the MicroArray Quality Control…”
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Power and sample size estimation in microarray studies
Published in BMC bioinformatics (25-01-2010)“…Before conducting a microarray experiment, one important issue that needs to be determined is the number of arrays required in order to have adequate power to…”
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Identification of bicluster regions in a binary matrix and its applications
Published in PloS one (05-08-2013)“…Biclustering has emerged as an important approach to the analysis of large-scale datasets. A biclustering technique identifies a subset of rows that exhibit…”
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8
Evaluation of Pulsed-Field Gel Electrophoresis Profiles for Identification of Salmonella Serotypes
Published in Journal of Clinical Microbiology (01-09-2010)“…Pulsed-field gel electrophoresis (PFGE) is a standard typing method for isolates from Salmonella outbreaks and epidemiological investigations. Eight hundred…”
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A composite model for subgroup identification and prediction via bicluster analysis
Published in PloS one (27-10-2014)“…A major challenges in the analysis of large and complex biomedical data is to develop an approach for 1) identifying distinct subgroups in the sampled…”
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Prediction System for Rapid Identification of Salmonella Serotypes Based on Pulsed-Field Gel Electrophoresis Fingerprints
Published in Journal of Clinical Microbiology (01-05-2012)“…Article Usage Stats Services JCM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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11
Reordering hierarchical tree based on bilateral symmetric distance
Published in PloS one (04-08-2011)“…In microarray data analysis, hierarchical clustering (HC) is often used to group samples or genes according to their gene expression profiles to study their…”
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Meta-analysis of pulsed-field gel electrophoresis fingerprints based on a constructed Salmonella database
Published in PloS one (14-03-2013)“…A database was constructed consisting of 45,923 Salmonella pulsed-field gel electrophoresis (PFGE) patterns. The patterns, randomly selected from all…”
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Cross-platform comparability of microarray technology: intra-platform consistency and appropriate data analysis procedures are essential
Published in BMC bioinformatics (15-07-2005)“…The acceptance of microarray technology in regulatory decision-making is being challenged by the existence of various platforms and data analysis methods. A…”
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14
Assessing batch effects of genotype calling algorithm BRLMM for the Affymetrix GeneChip Human Mapping 500 K array set using 270 HapMap samples
Published in BMC bioinformatics (12-08-2008)“…Genome-wide association studies (GWAS) aim to identify genetic variants (usually single nucleotide polymorphisms [SNPs]) across the entire human genome that…”
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15
Pubertal delay in male nonhuman primates (Macaca mulatta) treated with methylphenidate
Published in Proceedings of the National Academy of Sciences - PNAS (27-09-2011)“…Juvenile male rhesus monkeys treated with methylphenidate hydrochloride (MPH) to evaluate genetic and behavioral toxicity were observed after 14 mo of…”
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Using Dietary Exposure and Physiologically Based Pharmacokinetic/Pharmacodynamic Modeling in Human Risk Extrapolations for Acrylamide Toxicity
Published in Journal of agricultural and food chemistry (13-08-2008)“…The discovery of acrylamide (AA) in many common cooked starchy foods has presented significant challenges to toxicologists, food scientists, and national…”
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Class-imbalanced classifiers for high-dimensional data
Published in Briefings in bioinformatics (01-01-2013)“…A class-imbalanced classifier is a decision rule to predict the class membership of new samples from an available data set where the class sizes differ…”
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Estimation of False Discovery Rates in Multiple Testing: Application to Gene Microarray Data
Published in Biometrics (01-12-2003)“…Testing for significance with gene expression data from DNA microarray experiments involves simultaneous comparisons of hundreds or thousands of genes. If R…”
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Topic modeling for cluster analysis of large biological and medical datasets
Published in BMC bioinformatics (21-10-2014)“…The big data moniker is nowhere better deserved than to describe the ever-increasing prodigiousness and complexity of biological and medical datasets. New…”
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Tests for equivalence or non-inferiority for paired binary data
Published in Statistics in medicine (30-01-2002)“…Assessment of therapeutic equivalence or non‐inferiority between two medical diagnostic procedures often involves comparisons of the response rates between…”
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