Category: Uncategorized
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Ultra-Fast Large Scale Principal Component Analysis (PCA) in R
In this post, you will learn how to perform principal component analysis (PCA) with lower precision vectors and matrices using the R programming language and the state-of-the-art R package called MPCR. The MPCR package is currently accessible on https://github.com/stsds/MPCR and will soon be conveniently available for download on CRAN. What is PCA? PCA is an exploratory…
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Disasters
If there is something that we can learn from our experience in the last few years, it is that there are overlapping disaster timelines. Although every place on Earth may be exposed to different climate risk, the impact of a disaster in one region can cascade to other regions. When this happens, a localized event…
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Risks
Quantitative modelling of climate risk is still in its early stages. Different groups have different definitions of climate risk. The Intergovernmental Panel on Climate Change (IPCC) defined climate risk as the product of a hazard and its consequences. In finance literature, the risks associated with climate change can be categorized into either a physical risk…
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Extreme Events
These past few years, the Earth appears to be defying climate model expectations. The question as to what drives the unusual nature of extreme events still baffles climate scientists. The key to answering some of these questions is to look at the actual observed data and understand what they can tell us about the spatial…