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# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### Errors vs Residuasl in linear regression

Hello, As far as i know in regression analysis the errors have all the same constant variance. On the other hand the residuals of the sameple that...

• Replies: 0
• Views: 1,874
12-28-2009, 03:03 PM
2. ### Estimate a Logistic Regression Model

Hi guys, I want to estimate a logistic regression model's equation based on observed data and get the coefficients to extrapolate further. I have...

• Replies: 6
• Views: 2,492
12-04-2015, 01:18 AM
3. ### Estimate of Variance

How does one obtain the best estimate of the variance of observations around the fitted model in SPSS? My thinking is that the best estimate of...

• Replies: 0
• Views: 1,457
05-19-2015, 06:36 PM
4. ### Estimate or Contrast Statement in ANOVA

Hey, I was asked to review a student's paper. In it they have 2 exposures groups and multiple continuous outcomes they are examining. They...

• Replies: 1
• Views: 1,402
09-30-2015, 11:00 AM
5. ### Estimate Residuals

Hi statistics experts, I run a usual regression model (1 dependent, different independent variables) for each industry-year and save the residuals...

• Replies: 2
• Views: 2,153
M90
01-29-2017, 12:03 PM
6. ### Estimate the coefficients of an equation system - can I use OLS?

Hi! I have not worked so much with this type of regressions and have tried to find the answer in my econometric books and on internet, but have...

• Replies: 4
• Views: 1,619
04-24-2014, 04:18 PM
7. ### Estimates from a log-linear regression model

Hello all, I am estimating a economic growth regressions using dynamic panel data. My specification is as folllows: Ln(Y_i,t) = a*Ln(Y_i,t-1)...

• Replies: 0
• Views: 1,075
06-15-2014, 08:18 AM
8. ### Estimates from categorical variables

Hi everyone, I am doing a multiple regression and try to predict which of my categorical variables (4 levels) has can predict my dependent...

• Replies: 0
• Views: 1,082
04-27-2014, 10:32 AM
9. ### Estimating 1 cointegrating relationship when trace test indicates rank=2

Hi all, I am estimating a Vector Error Correction Model for several countries. For one country (call it X), the Johansen trace test suggests that...

• Replies: 0
• Views: 1,237
07-04-2014, 10:36 PM
10. ### Estimating Confidence Intevals

Hi, I have used a loglikelihood function to estimate 24 parameters. How do I construct a confidence interval given the Hessian (avaliated on the...

• Replies: 2
• Views: 1,318
01-15-2014, 11:50 PM
11. ### Estimating Covariate Effects on Likert-Scale Response Data

I am working on a problem where we elicit medical residents perceptions regarding the importance of specific core medical competencies...

• Replies: 1
• Views: 1,883
07-10-2013, 10:05 AM
12. ### Estimating impact of Predictor

Hi, I have a simple regression with 24-36 months of data, let's say of Sales which is the dependant variable and % spend on promotions in that...

• Replies: 3
• Views: 137
09-22-2017, 08:59 AM
13. ### Estimating the demand function for a product

Hi everyone! I have around 20 products with 30 monthly observations for each that I need to analyze. I have data on demand, normal price,...

• Replies: 1
• Views: 1,434
07-23-2013, 05:40 AM
14. ### Estimating the error term variance without fitting a regression line

There's a question in my regression class I'm having trouble with. We are basically given 6 points (5,y1), (5,y2), (10,y3), (10, y4), (15,y5),...

• Replies: 2
• Views: 2,829
02-05-2013, 09:12 PM
15. ### Estimating uncertainty/error in multi-measurement, multi-replicate analysis

Please forgive my ignorance, it has been a while since error analysis in college and I am at a loss trying to estimate error for the following...

• Replies: 0
• Views: 746
08-16-2016, 05:35 PM
16. ### Estimation - the best factor?

I need your help if you can. I get some measurement results. If everything work correct results keep close to nominal value: If the...

• Replies: 0
• Views: 1,747
12-20-2013, 02:40 PM
17. ### Estimation method for ratio dependent variable?

Hi, Logistic regression is used if the dependent variable is a discrete choice variable. My dependent variable is not a discrete choice variable,...

• Replies: 4
• Views: 11,380
11-12-2010, 05:30 AM
18. ### Estimation of count regressors that tend to only increase with time

Hello dear forum members, I am seeking you comments on the following issue that I noticed in the project that I am working on. So, in 2014 I...

• Replies: 0
• Views: 771
06-25-2016, 10:27 AM
19. ### Estimation with negative coefficients

Hi, I have probably an easy problem, however I'm not really sure how to do it: Basically, I would like to estimate a linear regression with OLS. So...

• Replies: 4
• Views: 1,287
04-25-2015, 09:57 AM
20. ### Evaluating Regression model output with Rsquare

Please can u comment? I have built a non-linear regression model with 20 independent variables. On a test data, I compared the predicted target...

• Replies: 1
• Views: 2,833
09-17-2012, 11:24 AM
21. ### evaluating statistical difference between model coefficients: 2 different models

Hello, I have two logistic regression models with the same dependent and independent variables. The only difference between the 2 models is the...

• Replies: 2
• Views: 1,979
02-28-2014, 03:29 PM
22. ### Event probabilities from the regression analysis

Hi, I am looking for all possible sources (literature, articles, books) with descriptions how to transform different kinds of regression analysis...

• Replies: 5
• Views: 1,602
07-15-2016, 09:55 PM
23. ### Event Study where event is correlated with index

Hello, I am trying to conduct an event study using the traditional market model: StockReturn = Constant + IndexReturn + DummyVariable + Error ...

• Replies: 3
• Views: 1,497
03-28-2013, 08:54 PM
24. ### Event Study with illiquid stock prices

Hello, I am trying to conduct an event study on 250 stocks. Not every stock is liquid and as a result occasionally the price is absent or zero....

• Replies: 0
• Views: 2,312
05-17-2011, 01:22 PM
25. ### Eviews 9 Tutorial Fixed Effects And Random Effects Two Stage Least Squares

https://www.youtube.com/watch?v=M8OuLQYHDrM Fixed Effects And Random Effects Two Stage Least Squares (2SLS) regression analysis is a statistical...

• Replies: 0
• Views: 1,946
09-18-2016, 11:44 PM
26. ### Eviews 9 Tutorial Two Stage Least Squares

Two-stage least squares (TSLS) is a special case of instrumental variables regression. As the name Suggests, there are two distinct stages in the...

• Replies: 0
• Views: 3,791
12-09-2015, 08:46 PM
27. ### ex post regression analysis

So I have 500 different store locations 125 locations are from w brand 200 are from xbrand 100 are from y brand 75 are from z brand each...

• Replies: 0
• Views: 1,050
06-14-2015, 06:16 AM
28. ### Exam pass rate analysis

Hi, looking for some help with some analysis I am looking at on Minitab for exam pass marks. I have a data set which shows global student...

• Replies: 1
• Views: 2,164
11-10-2016, 11:47 AM
29. ### Excel mutliple regression

I have a made a double regression output in excel 2007 but I don't know how to explain those outputs. Can anyone tell me what does the Regression...

• Replies: 0
• Views: 1,560
10-27-2011, 07:28 AM
30. ### Excel's t stat question.

Hi guys, I'm a little confused over this right now. I performed a regression in excel and as an example, this is what i got for my first...

• Replies: 3
• Views: 5,099
11-23-2010, 06:49 PM
31. ### Exclude Interaction Term and Include Fixed Effects instead

Hey everybody. I know I shouldn't exclude the terms of an interaction variable in my regression; however, If I include both terms I have the...

• Replies: 0
• Views: 2,586
05-29-2011, 08:57 AM
32. ### Exp(B) or CI values with the letter "E"

Dear all, I am running a Multinomial Log. Regression. Everything seems fine but I do not understand when Exp(B) oder CI values are like...

• Replies: 6
• Views: 3,019
01-27-2017, 11:42 AM
33. ### Expectation/ Variance/ ACF and PACF in ARMA(2,1)

Hello guys, I hope I'm not posting in the wrong subforum. I am looking for a solution to calculate E, Var, and ACF and PACF coefficents in an...

• Replies: 1
• Views: 5,404
06-17-2011, 08:09 PM
34. ### Expected Multicollinearity: Alternative to Regression?

Hello, I currently extracting a lot of slightly different variables from a Social Network dataset, which I want to regress (or something like...

• Replies: 10
• Views: 2,552
01-21-2014, 11:30 AM
35. ### Expert Help Required - Multiple Regression with Nominal and Scale Variables

Hi all, I'm having huge issues with the assumptions of multiple regression and determining whether I am running my analysis correctly. First of...

• Replies: 4
• Views: 2,069
02-27-2017, 01:25 PM
36. ### Explain the nonsignificance of simple slope analysis (with significant interaction)?

Hi everyone, I need some help. In a study, I tested an interaction hypothesis and got a significant interaction result (p < .05) and visual...

• Replies: 4
• Views: 4,471
08-07-2013, 03:42 PM
37. ### Explaining cross-sectional variation of betas (PANEL DATA)

Hi, I am a economics master student and have an upcoming research project. Whilst designing a model for my research, I realized that my...

• Replies: 0
• Views: 1,469
08-12-2013, 10:51 AM
38. ### Explanatory variable a function of dependent variable

Hello, Does anyone know the proper terminology for the problem caused by regressing a dependent variable on a set of explanatory variables that...

• Replies: 0
• Views: 2,154
06-11-2014, 04:36 PM
39. ### Exponential Smoothing and how it Relates to Changing Seasonality Cycle Intervals

How does exponential smoothing treat seasonality when there are different time intervals to the seasonality. It seems that I have to designate a...

• Replies: 0
• Views: 605
05-23-2017, 04:01 PM
40. ### Exponential Trendline and Equations dont match...

Hi there I have a graph of output values that I have to plot linear and exponential trendlines on and then show the equations and calculate for...

• Replies: 1
• Views: 2,825
BGM
03-11-2011, 04:02 PM
41. ### Expressing the sum of squared residuals as a matrix

R, the n by 1 matrix of residuals, is given by y_i, an n by 1 matrix, minus X, an n by 2 matrix consisting of explanatory variables x_1 and x_2(where...

• Replies: 2
• Views: 3,684
06-09-2012, 09:24 PM
42. ### Extend economics thesis with multivariate analysis

Dear all, Working on my Master Thesis I got the remark from my supervisor that I have to extend the research with a multivariate analysis. I have...

• Replies: 3
• Views: 1,995
07-27-2014, 05:11 AM
43. ### External dataset validation of a binary logit model

Hello all, i have developed a prognostic model using binomial logistic regression. Now i want to validate it in an external dataset. The standard...

• Replies: 1
• Views: 1,503
12-27-2014, 08:43 AM
44. ### External Validation

Hi to all This is probably a stupid question but I do not know how to solve this problem: through multivariate analysis of a sample of patients I...

• Replies: 1
• Views: 1,241
09-16-2012, 10:47 AM
45. ### External validation of a log reg model using Nagelkerkes R2 w/ fixed parameters

I have a dataset containing a point score (an integer between 0-41) and mortality (0/1) for a sample. I have performed a logistic regression...

• Replies: 0
• Views: 382
03-30-2017, 08:05 AM
46. ### Extremely large Odds Ratios?!

Hi, I've conducted a binary logistic regression with 1 independent variable (Type of property: flat/maisnette, terraced, semi-detached, detached and...

• Replies: 4
• Views: 12,013
12-13-2012, 10:19 AM
47. ### F test and t-test

Hi guys, I am analyzing some regression results and the p-value for the F-test is large, but at the same time, the t-test for some of the independent...

• Replies: 2
• Views: 1,507
10-15-2012, 09:03 AM
48. ### F-Statistic Question

I'm sorry for probably asking a foolish question, but my searches have yielded very limited results (as well as my reading) in regards to the...

• Replies: 6
• Views: 25,035
06-23-2008, 03:28 PM
49. ### F-test easy doubt

We have an equation with autocorrelation and we corrected it using Cochrane Orcutt. Now, we are doing a F-test dropping some variables and we don't...

• Replies: 0
• Views: 937
02-20-2014, 12:47 PM
50. ### F-Test for SLR & MLR?

I am trying to finish a homework problem for a grad level stats class and can't seem to find an answer anywhere to this question written in plain...

• Replies: 1
• Views: 1,825
02-10-2015, 02:09 AM

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