Useful tips for everyday
How does cross validation overcome the overfitting problem? Cross-validation keeps the don’t-reward-an-exact-fit-to-training-data advantage of the training-testing split, while also using the data that you have…
What is the difference between recall bias and information bias? Information bias occurs when the measurement and classification of the exposure and outcome are inaccurate.…
How do you plot a Gini curve in Python? Plot Lorenz Curve in Python X = np. append(np. random. def gini(arr): ## first sort sorted_arr…
How do you calculate the probability of multiple events? Use the specific multiplication rule formula. Just multiply the probability of the first event by the…
What is the PCA components in Sklearn? Principal component analysis (PCA). Linear dimensionality reduction using Singular Value Decomposition of the data to project it to…
How does the bias variance decomposition? The bias–variance decomposition is a way of analyzing a learning algorithm’s expected generalization error with respect to a particular…
Is panel data a time series? Like time series data, panel data contains observations collected at a regular frequency, chronologically. Like cross-sectional data, panel data…
What is weak learner and strong learner? Weak learners are models that perform slightly better than random guessing. Strong learners are models that have arbitrarily…
Is flipping a coin conditional probability? As an aside, let’s quickly point out that conditional probability is related to correlation, but not necessarily to causation.…
Is gaussian linear? In probability theory and statistics, a Gaussian process is a stochastic process (a collection of random variables indexed by time or space),…