Useful tips for everyday
How to test the proportional hazard assumptions in statistics? Testing the proportional hazard assumptions ¶ model lifelines.CoxPHFitter number of events observed 114 partial log-likelihood -658.748…
How do you find the standard error of an observation? It is calculated by dividing the standard deviation of the observations in the sample by…
What are the models of ANOVA? we record only categorical variables. Example: recovery time ¶. One-way ANOVA ¶. One-way ANOVA ¶. it’s still a model…
When is cross validation is probably in the wrong place? Cross Validation is usually a very good way to measure an accurate performance. While it…
What means 95% confidence interval? What does a 95% confidence interval mean? The 95% confidence interval is a range of values that you can be…
How do you complete a Mann-Whitney U test? Take the first observation in sample 1. Count how many observations in sample 2 are smaller than…
What is the main difference between multivariate linear regression and multivariate logistic regression? The essential difference between these two is that Logistic regression is used…
What is the loss function of support vector machine? The loss function of SVM is very similar to that of Logistic Regression. Looking at it…
What is cross validation Knn? Cross-validation is when the dataset is randomly split up into ‘k’ groups. One of the groups is used as the…
What increases plateau pressure? Common reasons for increased plateau pressures are the use of high PEEP, inspiratory flow, and tidal volume. Adverse consequences of high…