Linked Questions

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1answer
16k views

How to interpret regression coefficients in a log-log model [duplicate]

I'm using a linear model to analyse some data, ...
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0answers
596 views

Interpretation of regression coefficient, which is dlog-log variable? [duplicate]

Can anyone suss out the interpretation of beta here: D.log(gdp) = alpha + beta(log(military expenditure %) Where D.log(gdp) = growth of GDP (first difference of log(GDP) Would it be: A 1% point ...
4
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1answer
140 views

Interpret a multiple linear regression when Y is log transformed [duplicate]

I have the following multiple linear regression model: Log(y) = B0 + B1X1 + B2X2 + B3x3 + e. X1 is a dummy that can take 0 = male and 1 = female and X2 and X3 are continuous variables. I am not ...
1
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0answers
136 views

Interpreting OLS regression coefficients of set of dummies when dependent var is in ln form [duplicate]

I run a regression where I created a set of dummies to represent different intervals. I had set of 4 dummies, only included 3 in the regression so the one with the highest interval (experience) acts ...
1
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0answers
135 views

Contributions of variables in Log-Log models [duplicate]

I have built a model on log(units) sold and want to measure the contribution of each independent variable in the model (which are also in ...
0
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0answers
121 views

Interpret natural log transformed dependent variable [duplicate]

Possible Duplicate: Interpretation of log transformed predictor I have a regression equation (below). In the raw form, my Y dependent variable is in days (length of stay in days). I transformed ...
0
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0answers
96 views

Interpretation of log transformed coefficients, OLS regression [duplicate]

I have a question about how to interpret or use the result of an OLS regression w a log transformed DV. Due to non-normal distribution of the Dependent variable, I used a log10 transformation to coax ...
0
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1answer
63 views

Statistical significance of different models [duplicate]

I ran a specification with an outcome in $ terms, and a coefficient on a dummy variable was statistically significant. However, when I ran the exact same model with the outcome in log-dollar terms, ...
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0answers
30 views

Effect of a lin-log model on the R^2 value as compared to a lin-lin model? [duplicate]

From all the data I have worked with, I have noticed that in a linear model with one explanatory variable, taking the ln of that explanatory variable and using the result as the new "independent" ...
1
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0answers
29 views

Interpretation of beta Coefficients if Transformed in a Multivariate Cox Regression [duplicate]

I had to transform some of my primary variables of interest (log transform). Others were left untransformed as they were normally distributed in the sample (Pfat, etc.). To allow for comparisons of ...
0
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0answers
23 views

Interpretation of log-transformed regression (Y = LN(Y)) when the independent variable (X) is a percentage [duplicate]

First, I want to mention that I am not really experienced with statistics and thus I would kindly ask you to explain the answer to me like you would to a 5-year old. Secondly, I have read a lot of ...
0
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0answers
17 views

INTERPRET A REGRESSION MODEL WHEN OUTCOME VARIABLE IS LOG TRANSFORMED [duplicate]

I have used a linear model between a log-transformed outcome variable and a group of predictor variables. In this model, the dependent variable is in its log-transformed state, and the independent ...
164
votes
8answers
317k views

In linear regression, when is it appropriate to use the log of an independent variable instead of the actual values?

Am I looking for a better behaved distribution for the independent variable in question, or to reduce the effect of outliers, or something else?
174
votes
2answers
243k views

When (and why) should you take the log of a distribution (of numbers)?

Say I have some historical data e.g., past stock prices, airline ticket price fluctuations, past financial data of the company... Now someone (or some formula) comes along and says "let's take/use ...
26
votes
2answers
71k views

Transforming variables for multiple regression in R

I am trying to perform a multiple regression in R. However, my dependent variable has the following plot: Here is a scatterplot matrix with all my variables (...

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