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Waldemar Ratajczak
ORCID
Publication Activity (10 Years)
Years Active: 2022-2024
Publications (10 Years): 3
Top Topics
Multivariate Normal
Principal Component Analysis
Discriminant Analysis
Dimension Reduction
Top Venues
J. Geogr. Syst.
Comput. Environ. Urban Syst.
Appl. Math. Comput.
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Publications
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Jerzy Kaczorowski
,
Waldemar Ratajczak
,
Peter Nijkamp
,
Krzysztof Górnisiewicz
Economic hierarchical spatial systems - new properties of Löschian numbers.
Appl. Math. Comput.
461 (2024)
Miroslaw Krzysko
,
Peter Nijkamp
,
Waldemar Ratajczak
,
Waldemar Wolynski
,
Andrzej Wojtyla
,
Beata Wenerska
A novel Spatio-temporal principal component analysis based on Geary's contiguity ratio.
Comput. Environ. Urban Syst.
103 (2023)
Miroslaw Krzysko
,
Peter Nijkamp
,
Waldemar Ratajczak
,
Waldemar Wolynski
Multidimensional economic indicators and multivariate functional principal component analysis (MFPCA) in a comparative study of countries' competitiveness.
J. Geogr. Syst.
24 (1) (2022)