Dyslexia can be defined as a learning disability in people with normal intellectual coefficient, and without further physical or psychological problems that can explain such a disability.

Inexpert-57 is a dataset for unsupervised learning with LQD. It contains data of schoolchildren in Asturias (Spain), where this disorder is not rare. It has been estimated that between 4 and 5% of these schoolchildren have dyslexia.

The presence of dyslexic children depends on many different indicators, mainly intended to detect whether reading, writing and calculus skills are acquired at the proper rate. Moreover, there are disorders different from dyslexia that share some of their symptoms and therefore the tests not only have to detect abnormal values of the mentioned indicators but in addition, must also separate those children that actually suffer from dyslexia from those where the problem can be related to other causes (inattention, hyperactivity, etc.).