Subject
statistical aspect
114
steel industry
30
steel production
30
traffic
22
nonferrous metal
13
aluminum
10
lead
10
copper
9
tin
9
zinc
9
statistical method
7
agriculture
6
food production
6
statistical analysis
6
population
5
statistics
5
research and development
4
data analysis
3
federal government
3
financing
3
government policy
3
research policy
3
water
3
water supply
3
analysis
2
data processing system
2
drug development
2
energy statistics
2
innovation
2
life cycle assessment
2
method
2
oil
2
Econophysics.
1
Environmental sciences.
1
Poisson distribution
1
R (programming language)
1
Regional planning.
1
Sociology, Urban.
1
Sociophysics.
1
Statistics.
1
Urban economics.
1
Urban planning.
1
arsenic
1
atmospheric calculation
1
atmospheric circulation
1
atmospheric concentration
1
atmospheric diffusion
1
atmospheric distribution
1
atmospheric model
1
atmospheric monitoring
1
more ...