Useful tips for everyday
How to handle missing values in onehotencoder? Add a missing_values parameter to the init method of the OneHotEncoder class. This parameter will allow users specify…
Whats the difference between inclusive and exclusive OR? An inclusive or means there is more than one option, and all of them apply. For example:…
What is the ratio of variances? If the variances are equal, the ratio of the variances will equal 1. For example, if you had two…
Which is the best interpretation of GARCH parameters? Campbell et al (1996) have following interpretation on p. 483. γ 1 measures the extent to which…
Which is an example of a meta regression? Meta-regression, although it has its own limitations, can be a very powerful tool in meta-analyses. It is…
When should we use one-tailed hypothesis testing Ruxton? One-tailed statistical tests are recommended when a result in the opposite direction to our previous research would…
How to calculate kernel density in scikit-learn? Get parameters for this estimator. Generate random samples from the model. Compute the total log probability density under…
How to create a single index using PCA? I am using Principal Component Analysis (PCA) to create an index required for my research. My question…
What is gain curve? The cumulative gains curve is an evaluation curve that assesses the performance of the model and compares the results with the…
What is a multi-armed bandit test? In marketing terms, a multi-armed bandit solution is a ‘smarter’ or more complex version of A/B testing that uses…