Selection of key ambient particulate variables for epidemiological studies - Applying cluster and heatmap analyses as tools for data reduction

Science of the Total Environment

Volumn 435-436, Issue , 2012, Pages 541-550

  Gu, Jianwei ^a,b   Pitz, Mike ^a,b   Breitner, Susanne ^a   Birmili, Wolfram ^c   von Klot, Stephanie ^a   Schneider, Alexandra ^a   Soentgen, Jens ^b   Reller, Armin ^b   Peters, Annette ^a   Cyrys, Josef ^a,b  

^a INSTITUTE OF EPIDEMIOLOGY   (Germany)

^b UNIVERSITY OF AUGSBURG   (Germany)

^c LEIBNIZ INSTITUTE FOR TROPOSPHERIC RESEARCH   (Germany)

Author keywords

Cluster analysis; Data reduction; Epidemiological study; Heatmap analysis; Particle size distribution; Positive matrix factorization

Indexed keywords

ACTIVE SURFACES; AGGLOMERATIVE HIERARCHICAL CLUSTER; AMBIENT PARTICULATE MATTER; AUGSBURG; BLACK CARBON; DATA SETS; EPIDEMIOLOGICAL STUDIES; HEALTH EFFECTS; HEATMAP ANALYSIS; KEY VARIABLES; MEASUREMENT DATA; PARAMETER SELECTION; PARTICLE DIAMETERS; PARTICLE LENGTH; PARTICLE MASS; PARTICLE NUMBER CONCENTRATION; PARTICLE SURFACE; PARTICULATE MATTER; PARTICULATE VARIABLES; POSITIVE MATRIX FACTORIZATION; SELECTION OF VARIABLES; SPEARMAN CORRELATION; URBAN BACKGROUND; VISUALIZATION TECHNIQUE;

AEROSOLS; CLUSTER ANALYSIS; DATA REDUCTION; HIERARCHICAL SYSTEMS; PARTICLE SIZE ANALYSIS; PARTICULATE EMISSIONS;

FACTOR ANALYSIS;

AEROSOL; BLACK CARBON; CLUSTER ANALYSIS; CONCENTRATION (COMPOSITION); EPIDEMIOLOGY; HEALTH IMPACT; PARTICLE SIZE; PARTICULATE MATTER; SIZE DISTRIBUTION; SULFATE; VISUALIZATION;

AEROSOL; AIR MONITORING; AIR POLLUTANT; ARTICLE; CLUSTER ANALYSIS; CONTROLLED STUDY; DUST; EXHAUST GAS; GERMANY; HEATMAP ANALYSIS; PARTICLE ACTIVE SURFACE CONCENTRATION; PARTICLE LENGTH CONCENTRATION; PARTICLE MASS CONCENTRATION; PARTICLE NUMBER CONCENTRATION; PARTICLE SIZE; PARTICULATE MATTER; PHYSICAL PARAMETERS; POLLUTION MONITORING; POSITIVE MATRIX FACTORIZATION ANALYSIS; PRIORITY JOURNAL; STATISTICAL ANALYSIS;

AIR POLLUTANTS; AIR POLLUTION; CITIES; CLUSTER ANALYSIS; DATA INTERPRETATION, STATISTICAL; ENVIRONMENTAL MONITORING; EPIDEMIOLOGIC METHODS; GERMANY; HUMANS; MODELS, CHEMICAL; PARTICLE SIZE; PARTICULATE MATTER; VEHICLE EMISSIONS;

AUGSBURG; BAVARIA; GERMANY;

EID: 84864810597     PISSN: 00489697     EISSN: 18791026     Source Type: Journal    
DOI: 10.1016/j.scitotenv.2012.07.040     Document Type: Article

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