Search Results - subject:"total variance"

Whelan, Karl - In: Economics letters 256 (2025), pp. 1-3

Persistent link: https://www.econbiz.de/10015475435

Using the Multivariate Data Analysis Techniques on the Insurance Market

Dedu, Vasile; Armeanu, Daniel; Enciu, Adrian - In: Journal for Economic Forecasting (2009) 4, pp. 170-179

In the present financial theory, we confront with complex economic phenomena and activities which cannot be studied or analyzed profoundly because of the plurality of existing variables, ratios and information. The economic, financial and social activity carried on under crisis or economic...

Persistent link: https://www.econbiz.de/10008561106

Principal curves and principal oriented points

Delicado, Pedro - Department of Economics and Business, Universitat … - 1998

that point, compute the total variance of the normal distribution conditioned to belong to that hyperplane. Choose now the … hyperplane minimizing this conditional total variance and look for the corresponding conditional mean. The first principal … from a generalization of the total variance. …

Persistent link: https://www.econbiz.de/10005772566

Another Look at Principal Curves and Surfaces

Delicado, Pedro - In: Journal of Multivariate Analysis 77 (2001) 1, pp. 84-116

propose an algorithm to find them. The new notions lead us to generalize the definition of total variance. Successive …

Persistent link: https://www.econbiz.de/10005153033

On quantifying different types of categorical data

Nishisato, Shizuhiko - In: Psychometrika 58 (1993) 4, pp. 617-629

Persistent link: https://www.econbiz.de/10005156161