This is a draft cheat sheet. It is a work in progress and is not finished yet.
Simple statistic
moyenne |
faire la moyenne d'une liste de valeur |
somme |
faire la somme |
eccart type |
faire l'eccart type |
Probabilité
Complement |
P(A) + P(A’) = 1 |
Intersection |
P(A∩B) = P(A)P(B) |
Union |
P(A∪B) = P(A) + P(B) − P(A∩B) |
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Regression
linéaire |
linéaire |
logistique |
logistique |
logarithmique |
logarithmique |
Variability
Percentiles |
A measure that indicates the value below which a given percentage of observations in a group of observations falls. |
Quantiles |
Values that divide the number of data points into four more or less equal parts, or quarters. |
Interquartile Range (IQR) |
A measure of statistical dispersion and variability based on dividing a data set into quartiles. IQR = Q3 − Q1 |
Variance |
The average squared difference of the values from the mean to measure how spread out a set of data is relative to mean. |
Standard Deviation |
The standard difference between each data point and the mean and the square root of variance. |
Standard Error |
An estimate of the standard deviation of the sampling distribution. |
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