# All Questions

139,027 questions
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### Difference between various time series models

I was just trying to fit a model on stock prices. First i tried Ar(1) model then MA(1) model then Arima(1,1) model . However the Maximum Log Likelihood of all the three models was very similar to ...
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### Type of bias where useless data can discriminate

Let's say that there is a dataset $D$ of samples with domain $\mathcal{C}$ $\times$ $\mathcal{L}$, where $\mathcal{C}$ is a feature space and $\mathcal{L}$ is a binary label space ($0$ and $1$). ...
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### Logistic regression with rare events

Could somebody provide some references on the application of logistic regression for modelling rare events? So far I've come across three methods with the main references below: Exact logistic ...
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### Creating a statistic for The Chase quiz show

I run a website based on the UK version of this TV show. At the moment I use a simple statistic to rate a player's performance, basically the percentage of show's that they have won. But this isn't a ...