Useful tips for everyday
How do you interpret Mase values? How MASE is Calculated Absolute value of (Subtract the forecast from the actuals) Take the average the absolute error…
Does conditional probability reduce the sample space? The conditional probability of A given B is the area of the overlap region, the events where A…
What is Box-Cox transformation time series? The Box-Cox transformation is a family of power transformations indexed by a parameter lambda. Whenever you use it the…
Does Collinearity affect prediction? Multicollinearity affects the coefficients and p-values, but it does not influence the predictions, precision of the predictions, and the goodness-of-fit statistics.…
What do you call a data structure? A record (also called tuple or struct) is an aggregate data structure. A record is a value that…
How big should a confidence interval be? Sample Size and Variability The level of confidence also affects the interval width. If you want a higher…
How normalize data in LSTM? Good practice usage with the MinMaxScaler and other scaling techniques is as follows: Fit the scaler using available training data.…
Which distribution is typically used with over dispersed data? Poisson distribution The most common distribution for analyzing count data, the Poisson distribution, assumes a variance…
Which is faster to fit a glm or lasso? Supply instead a decreasing sequence of lambda values. glmnet relies on its warms starts for speed,…
What are the least squares and maximum likelihood estimation methods? What are the least squares and the maximum likelihood estimation methods? Two commonly used approaches…