Free data visualisation tools

Several excellent free data handling tools have come my way recently, at various presentations and conferences. This is an attempt at a short summary. There’s a lot going on in this field. Two recent sessions/ workshops on Processing, one by Nicola and Tim of Genetic Moo, the other by Rich Cochrane and Andrew McGettigan. Then a…

Classifier accuracy

Here is a useful summary of classifier results for the main data classification tasks: – MNIST: “a large database of handwritten digits that is commonly used for training various image processing systems”. – CIFAR 10 and CIFAR 100 are The CIFAR-10 dataset has “60000 32×32 colour images in 10 classes, with 6000 images per class.…

Criminal facial types

A paper on arxiv called “Automated Inference on Criminality using Face images” by Xiaolin Wu and Xi Zhang, argues that: ” Via supervised machine learning, we build four classifiers (logistic regression, KNN, SVM, CNN) using facial images of 1856 real persons controlled for race, gender, age and facial expressions, nearly half of whom were convicted…

Algorithms and Mrs Merkel

According to The Guardian, Angela Merkel said recently that: ” “I’m of the opinion that algorithms must be made more transparent, so that one can inform oneself as an interested citizen about questions like ‘what influences my behaviour on the internet and that of others?’…Algorithms, when they are not transparent, can lead to a distortion…