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# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### GLLAMM syntax for using instruments

I am seeking help to write the GLLAMM command to estimate y1 = x1 x2 x1*x2 x3; switching equation is x1 = x2 x3 x4 x5, where y1 is the outcome...

• Replies: 0
• Views: 1,321
11-17-2013, 12:31 PM
2. ### GLM help with interactions

I have a regression model I am trying to build using GLM. I have a continuous response variable, a main variable of interest that is dichotomous and...

• Replies: 1
• Views: 2,527
10-11-2011, 04:47 PM
3. ### GLM Interpretation - confused.com

Hi Folks, This may seem pretty straight forward to many of you but I'm could really do with some help. I'm using the generalized linear model to...

• Replies: 3
• Views: 3,066
11-01-2011, 09:46 AM
4. ### GLM multivariate analysis with proportion & continuous data

Hi there, I am looking to perform some multivariate analysis on my data (such as canonical correlation analysis or multivariate multiple...

• Replies: 1
• Views: 2,752
10-11-2015, 04:11 PM
5. ### GLM on non-linear/curvilinear data

Dear all! I’m sure somebody of you will help me with my non-linear data-problem. I measured a fitness correlate of an animal (response variable)...

• Replies: 6
• Views: 1,577
10-19-2016, 07:54 AM
6. ### GLM Parameter Estimation in R

Hello everyone! I was searching for GLM content, then I found this forum, so I thought you could help me :). I'm starting to study GLMs and I know...

• Replies: 0
• Views: 4,523
Kol
02-24-2011, 08:02 PM
7. ### GLM repeated measurements with very large database

I am trying to perform a multivariate regression analysis in SPSS. The problem is the database is very large (one variable contains over 200.000...

• Replies: 0
• Views: 2,873
01-27-2011, 08:42 AM
8. ### GLM: Assumptions and choosing a model

Hello all, I have a question that I would be interested in hearing other's opinions/feedback. I have monthly cost data from 2006 to 2011 (72...

• Replies: 16
• Views: 6,517
08-24-2012, 06:26 PM
9. ### GLM: possible to constrain 1 beta weight?

Hi, I am interested in comparing two design matrices in which the parameter values of interest are perfectly negatively correlated. Of course, via...

• Replies: 3
• Views: 2,009
10-12-2012, 08:14 PM
10. ### GLMM random effect conceptualization

Hello, I have a general question concerning GLMM. I would like to model animal counts as a function of characteristics of the sampling location and...

• Replies: 0
• Views: 1,625
05-14-2012, 08:13 AM
11. ### GLS (Generalized least Squares) STATA

generalized least squares (GLS) is a technique for estimating the unknown parameters in a linear regression model. GLS (Generalized least Squares)...

• Replies: 0
• Views: 1,793
04-27-2016, 05:16 AM
12. ### GLS regression STATA

Hi, is there a command in Stata that allows for GLS regression without panel data? or am I missing something? Thanks

• Replies: 0
• Views: 2,712
05-13-2015, 06:00 PM
13. ### GLS simulation: Power of certain effects

Hi all, I have three models that use the same response variable (let's call it Y) and is testing for the effect of three predictor variables...

• Replies: 0
• Views: 1,243
08-21-2013, 05:01 PM
14. ### Good Tool to generate probability of a sale for 300,000 products

Hi - I am trying to determine a good tool that will help me generate a probability of a sale for a list of of 300,000 products. I have a table of...

• Replies: 0
• Views: 834
03-06-2016, 01:37 PM
15. ### goodness of fit - with a twist!

I have a study with 300 subjects. Each subject has completed a cardio pulmonary test (CPET). Therefore, I have 300 datasets that each contain 1...

• Replies: 1
• Views: 1,175
02-24-2014, 09:06 AM
16. ### Goodness of fit for Mixed effects Logistic Regression

Dear all, I am trying to assess the goodness of fit of random effects Logistic regression. a) I would have used a Hosmer-Lemeshow test, but how...

• Replies: 4
• Views: 5,754
12-02-2013, 09:52 PM
17. ### Goodness of fit measure for a MNL model

Hello! I have carried out MNL regression with the same model among different samples and I now need to compare the results against each other. In...

• Replies: 1
• Views: 1,627
12-18-2014, 11:40 AM
18. ### goodness of fit test for nonlinear, nonmonotonic data.

I have a dataset which I believe can be modelled by a sinusoidal regression with increaing mean (in time series). I have performed spectral...

• Replies: 0
• Views: 2,321
02-24-2013, 11:48 AM
19. ### Goodness of fit versus AIC/BIC versus pseudo R squares

This is geared to Logistic regression I understand in theory you use these for different reasons. AIC for comparing non-nested models and goodness...

• Replies: 6
• Views: 4,047
03-25-2013, 10:10 PM
20. ### Goodness-of-fit for Poisson regression

Hello, I have a couple questions that I'd love some help with. Thanks very much for your time! I'm running a Poisson regression to look at...

• Replies: 1
• Views: 4,717
08-01-2012, 06:22 PM
21. ### Granger Causality: Lag length selection.

Consider simple G-Causality on two stationary time series vectors, each with 100+ observations. It's daily financial market time series data. I...

• Replies: 0
• Views: 2,326
08-13-2012, 02:46 AM
22. ### Graphical representation and functions of non parametric confidence intervals

I calculated the 95% confidence intervals for alpha and beta coefficients through non parametric bootstrapping (10000 iterations). Now, I'd like to...

• Replies: 2
• Views: 3,221
01-15-2012, 07:05 AM
23. ### Greatest impact prediction

Hi, please i have one Question. If i have this results (Stepwise method) Can i say: 1) Better for predict Y is model 4 2) Regression...

• Replies: 1
• Views: 1,319
03-31-2012, 12:39 AM
24. ### Gretl - Pooled Time Series Cross Sectional Data

I've been working on a multiple regression analysis on bank failures using a probit model. I am currently using cross sectional data but I would...

• Replies: 1
• Views: 5,271
07-18-2011, 05:35 PM
25. ### Group size analysis over time

Hi, I was wondering if anyone could help me please. I am looking at how group size changes with the amount of food available in a group of...

• Replies: 0
• Views: 1,955
09-13-2011, 08:21 AM
26. ### Grouping Categorical Variables in Regression differently in Main vs Interactions

All, I have a very peculiar problem that I am trying to solve. What I mean is, the following is an explanation of the current solution that has...

• Replies: 0
• Views: 1,244
06-13-2013, 12:39 AM
27. ### Grouping educational level in different variables

hi there! I'm trying to apply a regression model based on the Human Capital Theory. Besides other independent variables, I have grouped the...

• Replies: 6
• Views: 1,706
02-25-2014, 04:06 PM
28. ### Grouping response in logistic regression

Hi, I'm new to statistics and hope to find some help here. I can't find any information on why in logistic regression a binary response is often...

• Replies: 2
• Views: 1,980
02-17-2012, 11:10 AM
29. ### growth curve models

hi all, suppose my outcome is total yearly savings (\$). i want to use growth curve models to see how 4 different groups change in their savings...

• Replies: 0
• Views: 2,287
01-13-2017, 06:41 AM
30. ### Growth Rates

I have a huge panel data set consisting of thousands of firms for a time period of 8 years. I would like to transform some of my variables. For...

• Replies: 2
• Views: 3,505
12-09-2010, 05:39 AM
31. ### growth regression results

I am doing a standard neoclassical growth regression for the European member states for the period 1991-2010. I regress GDP per capita growth on...

• Replies: 0
• Views: 1,735
03-12-2012, 06:02 PM
32. ### Guidance needed

I am in healthcare and I want to predict future volume (primarily just the end of the current month). The problem I have with using a traditional...

• Replies: 2
• Views: 1,351
11-25-2014, 04:42 PM
33. ### hausman test

Dear community, I analyse purchase decisions on different products j over a duration of t days. I would like to include random or fixed effects. When...

• Replies: 1
• Views: 1,587
06-14-2015, 10:12 AM
34. ### Hausman Test - Do I correct for heteroscedasticity and autocorrelation?

Hi fella's! I am currently working on a regression analysis of a demand curve and i'm trying to test endogeneity (because I expect the price to be...

• Replies: 0
• Views: 2,242
06-02-2014, 02:01 PM
35. ### Hausman test VS Mundlak model; choosing between fixed-effects and random-effects

I am using panel data and I have to choose between fixed-effect and random-effect models. I run the Hausman test, the H0 (i.e., the difference in...

• Replies: 0
• Views: 3,286
04-09-2014, 10:05 AM

Hello, I need to carry out a Hausman-McFadden test before I run a multinomial logistic regression on my data. While I've successfully run an...

• Replies: 0
• Views: 1,669
07-07-2016, 07:08 AM
37. ### Have 4 dependent and 10 independent variables - which test should I use?

Hi all, I'm interested in the potential effects of water pollution on feather color of a bird. For this, I calculated 4 color variables for each...

• Replies: 0
• Views: 1,785
11-09-2016, 04:47 PM
38. ### have a .por file, no spss, need to run analysis by tomorrow

Hi all.. I thought I could open the .por file I have on my home computer but it turns out the version I have doesn't open a file like this with more...

• Replies: 0
• Views: 3,765
11-23-2009, 09:13 PM
39. ### Having trouble with my units in regression analysis.

Hello, I am attempting to regress future currency returns against changes in economic variables (GPD, inflation, index values etc). I am having some...

• Replies: 0
• Views: 625
05-17-2017, 05:07 PM
40. ### Heckman 2 step procedure - how to formulate probit model for real estate?

Dear all, I'm doing research on the attributes that determine listing prices of houses. Price is updated to the current date and independent...

• Replies: 0
• Views: 2,873
08-02-2013, 05:57 PM
41. ### Heckman model

Hi, I'm running a heckman model however some issues have arisen: 1. The log likelihood function is not concave and does not converge after a...

• Replies: 0
• Views: 2,459
03-28-2012, 04:11 PM
42. ### Heckman selection model

Dear All I am running a GMM panel data. The most important independent variable includes a huge number of zero observations (45%). How to...

• Replies: 0
• Views: 2,206
07-29-2012, 01:44 AM
43. ### Heckman selection model - suitable for categorical and continuous DVs?

Hello everyone, I am trying to figure out whether Heckman selection can be and should be used for my data. I have the same group of investors who...

• Replies: 0
• Views: 1,565
05-26-2014, 05:30 PM
44. ### Hedonic regression

What is the rationale behind hedonic quality index and how to interpret it? For any example/explanation beside the Wikipedia, I would be very...

• Replies: 0
• Views: 1,144
11-28-2014, 03:25 PM
45. ### Hell Please. Linear Regression Model

Which of the following is NOT assumed to contribute to uncertainty in predicting y from x in a standard Model I linear regression. a. Uncertainty...

• Replies: 8
• Views: 1,608
05-19-2015, 09:42 AM
46. ### Hello, I need some help please with two problems

Hey guys, I have been struggling in this class and I am down to the last week, I have to pass this homework and extra credit problem to pass the...

• Replies: 2
• Views: 2,505
12-04-2016, 08:13 PM
47. ### Help - Autocorrelated and r squared crashes with GLS

I'm trying to understand the theory behind something. I've got a time series multiple regression that gets about a .83 coefficient of determination....

• Replies: 0
• Views: 2,404
04-19-2013, 09:19 PM
48. ### Help a newbie with multiple statistical regression.

I want to run a multiple stastical regression in SPSS, trying to correlate different biomarkers with a brain region (hippocampus), at the same...

• Replies: 4
• Views: 1,695
07-10-2014, 07:28 AM

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