Useful tips for everyday
How to calculate error estimates for Monte Carlo method? Unfortunately, in a practical situation, we cannot actually calculate the above error estimates or confidence intervals…
Can you have identification in two states? In pretty much all states, it is illegal to carry two state-issued driver’s licenses. When you move to…
What is Z score and MIN MAX scaling? Min-max normalization: Guarantees all features will have the exact same scale but does not handle outliers well.…
Is Students nominal or ordinal? Nominal variables are sometimes numeric but do not possess numerical characteristics. Some of thee numeric nominal variables are; phone numbers,…
What is a manipulation check and when would it be included in an experiment? A manipulation check is a test used to determine the effectiveness…
Why is sum of squares squared? The sum of squares measures the deviation of data points away from the mean value. A higher sum-of-squares result…
What is a synonym for discussion? converse, dialogue. (also dialog), discourse, exchange. What is an alternate expression? A word whose meaning is the same, or…
Can standard deviations be added together? You cannot just add the standard deviations. Standard deviation is defined as the square root of the variance .…
When should you test for autocorrelation? It is necessary to test for autocorrelation when analyzing a set of historical data. For example, in the equity…
How do you measure the performance of a classifier? What are the Performance Evaluation Measures for Classification Models? Confusion Matrix. Precision. Recall/ Sensitivity. Specificity. F1-Score.…