Useful tips for everyday
What would be an example of seasonality? By seasonality, we mean periodic fluctuations. For example, retail sales tend to peak for the Christmas season and…
How do you choose between logistic regression and decision Tree? Decision Trees bisect the space into smaller and smaller regions, whereas Logistic Regression fits a…
When to use unit root test in panel data? Unit root tests for panel data. Journal of International Money and Finance 20: 249–272. Hadri, K.…
Is the F statistic the square of the t statistic? It is argued that regarding the t-test in this way both provides a heuristically convincing…
What is the relationship between topics? One to identify these relationships is through the use of transitions between ideas. Transitions form logical connections between the…
How do I use randomForest in R? R Random Forest Tutorial with Example Step 1) Import the data. Step 2) Train the model. Step 3)…
What is the sample size of 4500 population? Determining Sample Size Population Sample Population 75 63 3000 80 66 3500 85 70 4000 90 73…
What is main difference between Bernoulli Naïve Bayes & Gaussian Naive Bayes classifier? In summary, Naive Bayes classifier is a general term which refers to…
What does mean divided by standard deviation tell you? coefficient of variation The coefficient of variation (CV) is defined as the ratio of the standard…
How do you confirm trend reversal? Summary Identifying weakness in the trending move. Identifying strength in the retracement move. A break of key Support or…