# Questions tagged [regression]

Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.

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### How to make a two-line mediator analysis in R?

How to make a two-line mediator analysis in R? Please tell me briefly how to do this. What function should I use? I don't know much about data analysis, but I really need to figure out how to do this ...
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### How to handle independent variable in regression where no relationship exists between samples

I would like to use a multinomial logistic regression to get win probabilities for each of the 5 horses that participate in any given race using each horses previous average speed. ...
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### How do I account for total effect of a variable in a regression?

Suppose I want to understand the influence of gender $X$ on wage $Y$, so I use the linear regression model $$Y=\beta X + \varepsilon$$ We might want to be conscious of omitted variable bias, so we ...
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### How to add categorical variable to continuous when doing Linear Regression in Python?

If I have independent cts variables [x1, x2, x3] and categorical variable [x4] which can be categorized into [x4_1, x4_2] for dummy variable 0/1 If I fit linear regression in sklearn it will give me ...
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### Interpreting log-log regression with log(1+x) as independent variable

Is interpreting log-log regression with log(1+x) as independent variable the same as having log(x) as independent variable? 1% increase in x results in beta% change in y? What is x has both negative ...
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### How to tell if data has homgenous variance?

I am checking the assumptions of ANOVA model and I want to see if the condition of homogeneity of variances is met in my model. I made such a plot, but I am not sure what to look at here and what ...
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### How to choose between one-way, two-anova and multliple regression?

I am working on the data set that consists of Patients' id (after stroke), Time (they can walk after going through the program), the Program they follow and the Visit number when the Time was measured....
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### How to assess economic significance in a log-log OLS model?

I ran an OLS regression in log-log form and got statistical results (coefficients and their standard errors). How can I now assess whether these results are economically significant? I also calculated ...
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### How to choose between one-way, two-anova and multliple regression?

I am working on the data set that consists of Patients' id (after stroke), Time (they can walk after going through the program), the Program they follow and the Visit number when the Time was measured....
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