# Questions tagged [inference]

Drawing conclusions about population parameters from sample data. See https://en.wikipedia.org/wiki/Inference and https://en.wikipedia.org/wiki/Statistical_inference

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### Interpreting predictive models in the presence of omitted variables

Suppose the best predictive model from a set of possible models is a univariable model, due to lots of moderate correlations with other variables for example. However, if I use this model for ...
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### I was doing this course ' Bayesian Methods for machine learning' on coursera and I got stuck on few conditional statements expansion and manipulation

I have doubt in three conditional expansions : How is P(w,y|x) = P(y|w,x).P(w) ? How is P(w|y,x) = P(y,w|x)/P(y|x) ? How is <...
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### Can I use chi square goodness of fit test to solve the following problem?

I got the following question for my statistics finals exam yesterday. As the average proportion of female in the three locations is 0.473 I made the following table. 1) How can I proceed from here? ...
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### What is the basis for statistical inference?

I wrote in a document something similar to this: Based on the collected samples, we hope to infer ... I was asked to provide a citation for my claim. I guess I ...
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### Does model $R^2$ affect the interpretation of its coefficients?

First question: is it possible for a multiple regression model to have "big" and significant coefficients but a low $R^2$ value? Let's say the value of $R^2$ is 0.0005 and my coefficient of interest ...
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### Kernel density, why does my subset appear to have a larger spread than the original series?

I have a series that is 1500 observations long called alt_intercept. From it, I created a subset that contains values only if another series (called pvalue) is less ...
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### why does y axis sometimes change from normal histogram to kernel density?

Consider the distributions I have plotted below. They are of the same variables, one in normal histogram form and another in kernel density (Epachanov). As far as I know, the auc of the kernel ...
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### What is the suitable distance function for zero-inflated matrix?

I have a feature matrix, where the columns correspond to the features and the rows are the data points. My matrix is zero-inflated, meaning there are many false-negative zero entries in my matrix. I ...