Search Results - subject:"Principal component Analysis"

Greenacre, Michael - Department of Economics and Business, Universitat … - 2001

We consider the joint visualization of two matrices which have common rows and columns, for example multivariate data observed at two time points or split accord-ing to a dichotomous variable. Methods of interest include principal components analysis for interval-scaled data, or correspondence...

Persistent link: https://www.econbiz.de/10005704981

Relating principal component analysis on merged data sets to a regression approach

Meyners, Michael; Qannari, El Mostafa - 2001

Component Analysis on Merged Data sets (PCAMD), which provides a simple method to calculate a consensus from the data. Since we … or a fixed vocabulary in a sensory profiling framework. A regression approach for this model leads to a Principal …

Persistent link: https://www.econbiz.de/10009776768

A new variable for climate change study and implications for the built environment

Wan, Kevin K.W.; Cheung, K.L.; Yang, Liu; Lam, Joseph C. - In: Renewable Energy 34 (2009) 3, pp. 916-919

warming) with respect to the built environment. Principal component analysis of long-term (30-year) dry-bulb temperature (DBT …

Persistent link: https://www.econbiz.de/10010806758

Application of Principal Component Analysis in Grouping Geomorphic Parameters for Hydrologic Modeling

Singh, P.; Kumar, Virendra; Purohit, R.; Kothari, Mahesh; … - In: Water Resources Management 23 (2009) 2, pp. 325-339

Principal component analysis has been applied to thirteen dimensionless geomorphic parameters for sixteen watersheds of … significant correlations. Results of the principal component analysis clearly revealed that first two principal components are …

Persistent link: https://www.econbiz.de/10010794513

Spatial Patterns and Temporal Variability of Drought in Western Iran

Raziei, Tayeb; Saghafian, Bahram; Paulo, Ana; Pereira, Luis - In: Water Resources Management 23 (2009) 3, pp. 439-455

Index (SPI). To study the long-term drought variability the principal component analysis was applied to the SPI field …

Persistent link: https://www.econbiz.de/10010997509

Hydrogeographical Regionalisation: An Approach for Evaluating the Effects of Land Cover Change in Watersheds. A Case Study in the Cuitzeo Lake Watershed, Central Mexico

Allende, Teodoro Carlón; Mendoza, Manuel; Granados, … - In: Water Resources Management 23 (2009) 12, pp. 2587-2603

Efficient natural resources management, including continental water at watershed level, requires understanding the arrangement of landscape attributes in a region. The geographical analysis of landscape attributes is a useful approach to delineate relatively homogeneous watersheds or regions....

Persistent link: https://www.econbiz.de/10010998067

Principal component analysis-based frequent pattern evaluation on the object-relational data model of a cricket match database

UmaMaheswari, P.; Rajaram, M. - In: International Journal of Data Analysis Techniques and … 1 (2009) 4, pp. 364-384

-relational model is used here. In this work, Principal Component Analysis (PCA) is used to reduce high dimensional match data set into …

Persistent link: https://www.econbiz.de/10005048925

Productivity and profitability analysis of large Italian companies: 1998–2002

Zeli, Alessandro; Mariani, Paolo - In: International Review of Economics 56 (2009) 2, pp. 175-188

Persistent link: https://www.econbiz.de/10004965811

Principal component geodesics for planar shape spaces

Huckemann, Stephan; Hotz, Thomas - In: Journal of Multivariate Analysis 100 (2009) 4, pp. 699-714

essentially complex projective spaces-is presented. Underlying is the notion of principal component analysis based on geodesics …) 299-319]. Currently, principal component analysis for shape spaces is done on the basis of a Euclidean approximation. In … component analysis for Riemannian manifolds with an application to triangular shape spaces, Adv. Appl. Prob. (SGSA) 38 (2) (2006 …

Persistent link: https://www.econbiz.de/10005093738

Exploring the relationship between technical and service characteristics

Windrum, Paul; Diaz, Cecilia; Filiou, Despoina - In: Journal of Evolutionary Economics 19 (2009) 4, pp. 567-588

Persistent link: https://www.econbiz.de/10005061414