Useful tips for everyday
Can you have a negative coefficient in regression? The sign of a regression coefficient tells you whether there is a positive or negative correlation between…
What is a t-SNE plot used for? t-Distributed Stochastic Neighbor Embedding (t-SNE) is an unsupervised, non-linear technique primarily used for data exploration and visualizing high-dimensional…
Does a zoning variance affect a restrictive covenant? If the restrictive covenant is more restrictive, it prevails over the zoning regulation. A valid restrictive covenant…
Can random sampling be used for case studies? The question of random sampling for qualitative study should not arise because data collected from such study…
What is the need of dimensionality reduction in data mining? For an example you may have a dataset with hundreds of features (columns in your…
What is a Q-Q plot in linear regression? Q Q Plots (Quantile-Quantile plots) are plots of two quantiles against each other. The purpose of Q…
Does normal distribution use standard deviation or variance? The standard normal distribution is a normal distribution with mean μ = 0 and standard deviation σ…
What is role of ensembles in using artificial neural networks? Ensemble learning combines the predictions from multiple neural network models to reduce the variance of…
What is an out of sample test? Out-of-sample is data that was unseen and you only produce the prediction/forecast one it. Under most circumnstances the…
Which is the integral of the cumulative hazard function? Cumulative Hazard Function The cumulative hazard function is the integral of the hazard function. ( H(x)…