simple regression

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    P-value of intercept = 0 meaning? Can age be independent var in simple regression?

    Hi I recently got into statistics... I am not too sure if this is the correct place to ask, I have included pictures as well Can I test "age of used vehicle" as independent variable against "selling price" as dependent variable in a simple linear regression? Is my residual plot as shown weird...
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    difference in value of same coefficient.

    hi :) i started to learn simple and multiple regression, and there is one thing i can't understand. i used data frame with values of hindrance, inhibition, and negative effect. when i predict the value of negative effect by simple regression, using inhibition alone, i get its coefficient. but if...
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    Help with glm--- Simple Logistic Regression

    Hi All! Thanks for reading. I wanted to compare month of sample collection (April, May, June, and July) to presence/absence data (coded in binary dummy variables). I tried to run a Simple logistic regression, but realized that the output table with p values, etc all report for may, June, and...
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    Combining variables prior to performing regression analysis

    Hello to all. I am running a regression analysis to evaluate if the joint analysis of costs and benefits can explain medicinal plant selection better than only benefits. My 'benefit' variables are 'perceived efficiency' and 'perceived taste' and my 'cost' variable is 'difficulty of acquisition'...
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    Simple regression vs Multiple regression - how to answer this question

    I am working on an assignment and stuck on whether I need to use a simple regression or a multiple regression. Any help would be appreciated. Basically what I need to do is to find out whether or not the relationship/correlation between two variables (in this case Degree GPA and Grade 12...
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    simple regression - (Market Model)

    I am totally zero in Stats but unfortunately i have to implement a concept of Market Model to find out the bench mark return. Rit = = αi + βi RMt + εi,t (See attachment for precise view about regression equation) Where R = Return R (sub script Mt) is data for market excess return...