Vacunados contra #COVID19 España 12/04/2021 💉

España tiene un 19% de población adulta vacunada (al menos una dosis)

👉🏼 Extremadura, Galicia, Asturias, Castilla y León y La Riojas lideran en vacunados adultos (mayores de 16 años), más de un 20% 💪

Hilo👇 Ritmo de vacunación diaria España

Se han vacunado (al menos una dosis) 7.7 millones personas, un 19.1% de la población adulta, y un 7.7% con pauta completa

En la última semana, se han inyectado más de 2 millones de dosis, con récord de lunes 🎉

La tendencia es creciente ↗️

What are the differences between redundant information, collinearity and overfitting in #datascience?
(1/4) (2/4)

Ahora que llega la Selectividad, os comento algunas curiosidades sobre la misma y sobre la Universidad en España 👇 Cerca de 300,000 alumnos harán la selectividad (EVAU) este año, 56% mujeres y 44% hombres. Suelen aprobar el 90% de los alumnos.

A thread with an important concept for data scientists: the 𝐢𝐫𝐫𝐞𝐝𝐮𝐜𝐢𝐛𝐥𝐞 𝐞𝐫𝐫𝐨𝐫

There are applications more difficult to predict than others

Example: what it is more difficult to predict, the sign of tomorrow's stock-market or whether it will rain tomorrow? Maybe you do not know, but it is much more difficult to predict the stock markets than the weather (this is why I’m not rich 😀)

The difficulty level can be measured by the 𝐢𝐫𝐫𝐞𝐝𝐮𝐜𝐢𝐛𝐥𝐞 𝐞𝐫𝐫𝐨𝐫

Some ideas and recommendations for clustering in data science. First thing to remember: clustering is very subjective. A little thread #datascience 👇 Clustering tools are based on distances or dissimilarity measures, and try to achieve high intra-cluster similarity while low inter-cluster similarity

A Backtesting Protocol in the Era of Machine Learning papers.ssrn.com/sol3/papers.cf…

A financial paper with excellent thoughts about the cautions that should be taken in quantitative methods. My comments below: 👇👇👇 What relevant authors!
Including a Nobel prize!