异常检测新 源码

异常检测 使用Z分数和TQR检测异常 使用Z分数 i> finding mean and standard deviation of the dataset ii> finding Z score, Z = (X-u)/sigma iii> values for which Z > Threshold are outliers 使用IQR:- i> interquantile range works on percentile ii> sort the data in increasing order iii> let 25 and 75 percentile values be x and y respectively iv> finding IQR = y-x ii> values not in the range (x-1.5*IQR,y+1.5*I