Useful tips for everyday
Can I use t-test for small samples? The t-test is the small sample analog of the z test which is suitable for large samples. A…
What do you need to know about Statsmodels in Python? statsmodels is a Python module that provides classes and functions for the estimation of many…
How to impute missing values with MICE package in R? Impute missing values with MICE package in R. Political scientists are beginning to appreciate that…
What happens when you add a regressor to a forecasting model? Now, if you add a regressor X to the forecasting model, the equation fitted…
What is the difference between probability and odds ratio? Summarizing, one way to conceptualize (non-technically) the probability of an event is the number of ways…
When to use panel corrected standard errors in Pooled OLS? ”In summary, pooled OLS is appropriate if the constant-coefficient or random effects models are appropriate,…
What does Dunn test tell you? Overview. A common blood test, the blood urea nitrogen (BUN) test reveals important information about how well your kidneys…
How do you find the heteroskedasticity of a time series? To test for heteroscedasticity in the error variance, we can perform the following steps: Calculate…
How do you find the standard deviation of a matched pairs t test? Step 1: Calculate the differences and state the hypothesis. Step 2: Calculate…
What is cross-entropy error? Cross-entropy measures the performance of a classification model based on the probability and error, where the more likely (or the bigger…