Science without sense...double nonsense
Evidence Based Medicine pills
Science without sense...double nonsense
Evidence Based Medicine pills
Category Statistics
When nothing bad happens, is everything okay?
Probability with null numerator. Probability with null numerator does not imply that the risk of an event is zero. The probability when the numerator is zero can be estimated.
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.