Useful tips for everyday
How do you find the MGF of a discrete random variable? In order to find the mean and variance of X, we first derive the…
Do we have interpretability after using random forest? Random Forest is a black box model you will lose interpretability after using it. What are the…
What is the joint probability of two mutually exclusive events? Joint probability is a statistical measure that is calculated as the probability of two events…
Can Bayesian networks be used for classification? The Bayesian network, a machine learning method, predicts and describes classification based on the Bayes theorem (14). Bayesian…
How do you compare weighted mean? To calculate the weighted mean, we multiply each observation by the weight, add, then divide by the sum of…
What does it mean if regression is not significant? A low p-value (< 0.05) indicates that you can reject the null hypothesis. However, the p-value…
How many independent parameters are required for naive Bayes classifier? Therefore, we will need to estimate approximately 2n+1 parameters. Does naive Bayes require independence? Naive…
Does Decision Tree get affected by outliers? Won’t be affected by outliers: Decision tree will first split signal data points. After a while when DT…
Is Multicollinearity a problem in panel data? Multicollinearity is not a major issue in panel data where heterogeneous entities (countries) are present. However, correlation matrix…
How is a normal distribution related to a probability distribution? The normal distribution is a probability distribution. As with any probability distribution, the proportion of…