Class information for:
Level 1: MULTIVARIATE STATISTICAL TECHNIQUES//WATER QUALITY//CLUSTER ANALYSIS

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
3 4 GEOSCIENCES, MULTIDISCIPLINARY//GEOCHEMISTRY & GEOPHYSICS//METEOROLOGY & ATMOSPHERIC SCIENCES 1953906
271 3       WATER RESOURCES//GROUND WATER//GROUNDWATER 43917
2502 2             WATER QUALITY INDEX//WATER QUALITY//INDIAN JOURNAL OF MARINE SCIENCES 4113
8287 1                   MULTIVARIATE STATISTICAL TECHNIQUES//WATER QUALITY//CLUSTER ANALYSIS 1297

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MULTIVARIATE STATISTICAL TECHNIQUES authKW 273730 2% 43% 26
2 WATER QUALITY authKW 238877 25% 3% 320
3 CLUSTER ANALYSIS authKW 148494 17% 3% 222
4 DAYA BAY DYB authKW 145789 0% 100% 6
5 FACTOR ANALYSIS authKW 104535 13% 3% 163
6 BUYUK MENDERES RIVER authKW 93711 1% 43% 9
7 HYDROCHEMISTRY authKW 89497 5% 6% 66
8 MARINE BIOL STN DAYA BAY address 89078 1% 33% 11
9 GROUNDWATER CHEMISTRY authKW 78992 1% 17% 19
10 SURFACE WATER QUALITY authKW 78337 2% 14% 23

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Water Resources 19747 33% 0% 433
2 Environmental Sciences 16315 54% 0% 702
3 Geosciences, Multidisciplinary 3744 20% 0% 265
4 Engineering, Environmental 1661 10% 0% 124
5 Engineering, Civil 625 7% 0% 87
6 Limnology 216 2% 0% 22
7 Agricultural Engineering 204 2% 0% 23
8 Marine & Freshwater Biology 161 4% 0% 52
9 Oceanography 96 2% 0% 31
10 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 94 1% 0% 17

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 MARINE BIOL STN DAYA BAY 89078 1% 33% 11
2 CLIN CHEM BIOCHEM SECT 72894 0% 100% 3
3 MARGIN SEA GEOL 54669 0% 75% 3
4 RECH HYDRAUL PL 54669 0% 75% 3
5 IPSALA VOCAT 51447 0% 35% 6
6 ENVIRONM GEOG INFORMAT SYST EGIS 48596 0% 100% 2
7 GRP CHEMOMETR ENVIRONMETR 48596 0% 100% 2
8 PL HYDRAUL 47614 1% 28% 7
9 MICROBIOL BIOL VEGETAL 43734 0% 60% 3
10 HYDROGEOL WATER PROTECT 37196 1% 22% 7

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENVIRONMENTAL MONITORING AND ASSESSMENT 49415 11% 1% 138
2 ENVIRONMENTAL EARTH SCIENCES 26523 6% 1% 84
3 WATER QUALITY EXPOSURE AND HEALTH 11911 1% 5% 9
4 ARABIAN JOURNAL OF GEOSCIENCES 9725 3% 1% 35
5 REVISTA CIENCIA AGRONOMICA 7329 1% 2% 18
6 ENVIRONMENTAL GEOLOGY 5078 2% 1% 26
7 REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 4512 1% 1% 16
8 JOURNAL OF HYDROLOGY 3596 3% 0% 43
9 POLISH JOURNAL OF ENVIRONMENTAL STUDIES 3342 2% 1% 20
10 FRESENIUS ENVIRONMENTAL BULLETIN 2939 2% 0% 30

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 MULTIVARIATE STATISTICAL TECHNIQUES 273730 2% 43% 26 Search MULTIVARIATE+STATISTICAL+TECHNIQUES Search MULTIVARIATE+STATISTICAL+TECHNIQUES
2 WATER QUALITY 238877 25% 3% 320 Search WATER+QUALITY Search WATER+QUALITY
3 CLUSTER ANALYSIS 148494 17% 3% 222 Search CLUSTER+ANALYSIS Search CLUSTER+ANALYSIS
4 DAYA BAY DYB 145789 0% 100% 6 Search DAYA+BAY+DYB Search DAYA+BAY+DYB
5 FACTOR ANALYSIS 104535 13% 3% 163 Search FACTOR+ANALYSIS Search FACTOR+ANALYSIS
6 BUYUK MENDERES RIVER 93711 1% 43% 9 Search BUYUK+MENDERES+RIVER Search BUYUK+MENDERES+RIVER
7 HYDROCHEMISTRY 89497 5% 6% 66 Search HYDROCHEMISTRY Search HYDROCHEMISTRY
8 GROUNDWATER CHEMISTRY 78992 1% 17% 19 Search GROUNDWATER+CHEMISTRY Search GROUNDWATER+CHEMISTRY
9 SURFACE WATER QUALITY 78337 2% 14% 23 Search SURFACE+WATER+QUALITY Search SURFACE+WATER+QUALITY
10 PRINCIPAL COMPONENT ANALYSIS 77913 14% 2% 183 Search PRINCIPAL+COMPONENT+ANALYSIS Search PRINCIPAL+COMPONENT+ANALYSIS

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 5606 GROUNDWATER QUALITY//HYDROGEOCHEMISTRY//GROUNDWATER
2 17801 WATER QUALITY INDEX//WATER QUALITY INDEX WQI//AGR OURCE ENVIRONM SYST
3 33569 REMOS//PERSEAS//MIKE 3 FM HD
4 18069 WATER QUALITY//LAND USE//NONPOINT SOURCE POLLUTION
5 35947 RC LIMNOL//HIDROL LLANURAS DR EDUARDO JORGE USUNOFF//TRES ARROYOS
6 35770 PERFORMANCE CHECK STANDARDS//BENDIGO WATER TREATMENT PLANT//AIS DB
7 19935 INDIAN JOURNAL OF MARINE SCIENCES//JOURNAL OF ENVIRONMENTAL BIOLOGY//ALGAL BIOL ERS
8 33310 DAKHLA OASIS//NUBIAN SANDSTONE AQUIFER//SPECIFIC CAPACITY
9 33917 RURAL PROPERTY//VEGETAL COVERAGE//PERMANENT PRESERVATION AREA
10 35281 NATURAL BACKGROUND LEVELS//CLASSIFICATION INTO HOMOGENEOUS GROUPS//GROUNDWATER TYPOLOGIES

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