# multiple-regression's questions - English 1answer

3.240 multiple-regression questions.

### 7 How can multiple regression be performed as a sequence of univariate regressions?

Let's say $x$ is correlated to both $y_1$, and $y_2$. Why are the residuals of the nested regression of $x$ against $y_1$ and $y_2$, not equal to the residuals of the simultaneous (multiple) ...

### Two separate linear models

I am trying to fit the following linear model: ...

### Calculating residual from a predicted observation [duplicate]

0 answers, 9 views r multiple-regression
I'm working on the following linear model - y ~ x1 + x2 + x3.....where y is number of cigarettes smoked. Suppose the observation is such that they smoke 40 cigarettes. How would I calculate the ...

### 3 Selection of regressors

I have a question about the package leaps which I am using for model selection. I would like to compare 4 different selection methods: forward, backward, stepwise and best subset. I used the code ...

### 3 Multiple Regression and number of parameters to include for a learning algorithm

I am quite new to Machine Learning and come from a computing background. I have a quite big set of features (~50) with about 4k observations. Is it correct thinking to include all of them in a ...

### 1 Can I predict a correlation

In my research I'm looking at the correlation between self-harm and aggression (both continuous). Now, I also have some variables (e.g. depressive symptoms; also continuous) which I do believe ...

### Interpretation of output generated by PROCESS macro in SPSS for model with two moderators

1 answers, 7.444 views multiple-regression spss interpretation
I used the PROCESS macro for SPSS from hayes to regress a model where det_mean is the indepedent variable and y_tot the depending variable. I'm testing if this relation is moderated by two variables ...