Like a hypermarket
New Pubmed’s interface PubMed has presented its new interface, cleaner and simpler, optimized for mobile devices and with new search algorithms.
Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Read MoreLike a hypermarket
Columns, sectors, and an illustrious Italian
Graphical representation of qualitative variables. Two of the most used graphs for qualitative variables are described: the pie chart and the bar chart. Pareto’s graph is also mentioned. When you read the title of this post, you can ask yourself with what…
Like a forgotten clock
Measures of dispersion with qualitative variables Measures of dispersion of qualitative variables are described: Blau’s index, qualitative variation index, Teachman’s index and ratio of variation. I don’t like the end of summer. The days with bad weather begin, I wake up completely…
Worshipped, but misunderstood
The meaning of p-value. The meaning of p-value is the probability of obtaining a value equal to or more distant from the equality of effect given that the null hypothesis is true.
The cheaters detector
Pitfalls of statistics. Some of the inappropriate uses of statistics are described, either due to ignorance or to modify the apparent relevance of the results.