{{ stepNode.name }}
| {{ 'ml-lesson-number-slides' | message : article.introSlideInfo.bblockCount}} |
| {{ 'ml-lesson-number-exercises' | message : article.introSlideInfo.exerciseCount}} |
| {{ 'ml-lesson-time-estimation' | message }} |
sigma— is commonly used to denote the standard deviation, which is the square root of the variance. Let x1,x2,…,xn be the data values and xˉ their mean.