1. Announcement:
Want access to a chatbox?
Dason ‎(Devorador de queso)
05-10-2017
Views:
1,871
+ Post New Thread
Page 26 of 73 First ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ... Last
Threads 1501 to 1560 of 4336

# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### [stata] interaction terms in conditional logit

Dear all, There is a famous paper by Norton et al. (2003) which describes why stata's wrong about interaction terms in logit regressions. They...

• Replies: 2
• Views: 3,613
05-08-2014, 04:23 AM
2. ### Help with correct wording

I have an issue with describing the results of a simple analysis in a self-consistent way. This is for a study of an intervention that took place...

• Replies: 0
• Views: 2,109
05-08-2014, 12:13 AM
3. ### GEE and number of clusters

What happens to the standard errors of the regression coefficients as the number of clusters increase in GEE? What happens to the estimated standard...

• Replies: 0
• Views: 1,641
05-07-2014, 02:31 PM
4. ### help deciphering - hierarchical regression report

Hi, I've just started by statistical analysis stage and I've had some strange outputs I was hoping someone could help me with. Two personality...

• Replies: 1
• Views: 1,223
05-07-2014, 01:38 PM
5. ### Link function for proportional outcome

I have a data set where the outcome variable is percent passing (ELA and Math tests) for school districts. I will use a 2 level multilevel model...

• Replies: 24
• Views: 4,603
05-06-2014, 06:39 PM
6. ### Zero values

Hello, I need to do regression analysis and have price as an independent variable. The price is zero sometimes. How to handle this kind of data...

• Replies: 1
• Views: 1,652
05-06-2014, 02:58 AM
7. ### Characteristics that define simple linear regression?

Can someone please tell me which three characteristics define simple linear regression? Thank you in advance.

• Replies: 4
• Views: 2,284
05-05-2014, 10:44 AM
8. ### Can anyone help me with a significance problem?

Hi Everyone, I am running a linear regression for the years 2005 and 2006 for my thesis in which I investigate the relation between having a big...

• Replies: 0
• Views: 1,264
05-02-2014, 04:51 PM
9. ### Continuous by contiuous interaction and non-linearity in OLS

To whom it may concern: I am conducting an OLS for a class assignment and have an interaction between ADHD and non-delinquent peers. I have...

• Replies: 7
• Views: 1,744
05-02-2014, 01:44 PM
10. ### Heteroscedastic variables with linear regression

Hi, I'm a stat beginner and learning about linear regression. Regarding heteroscedastic variables (i.e. variables with different levels of...

• Replies: 2
• Views: 1,455
05-02-2014, 09:03 AM
11. ### Regression - I'm Stuck! Feedback PLEASE...Thanks!

figured it out now.

• Replies: 0
• Views: 1,525
05-02-2014, 12:11 AM
12. ### Logistic model - numerical vs. categorical covariates & target

I am using a powerful analytics tool built by Oracle (Data Miner). I am trying to determine the probability of death for a patient given the presence...

• Replies: 5
• Views: 1,908
05-01-2014, 11:30 PM
13. ### comparing "pooled" coefficients between different models

Dear all, I am running a mediation model with 6 continuous predictors and 2 mediators, separately for boys and girls. I want to test if the...

• Replies: 0
• Views: 985
05-01-2014, 09:42 AM
14. ### Using cointegrated variables in my regression

Hello. If I have three I(1) variables that I want to include in my AR-model, and I know that they are cointegrated, can I just put them straight...

• Replies: 0
• Views: 2,068
05-01-2014, 09:29 AM
15. ### Mediation with Regression Analysis Need Help some basic Question (Using SPSS)

I have 3 variables (2 are independent and 1 is dependent). All three variables are measured with questionnaires consisting of multiple questions...

• Replies: 0
• Views: 910
05-01-2014, 12:42 AM
16. ### Retrieving the right variable in dataset

Dear users, My database consists of 26 countries with their daily stock returns from 1973, football matches of those countries on World...

• Replies: 0
• Views: 963
04-30-2014, 06:26 AM
17. ### Likert scale data in regression

It is very common to use likert scale data as a predictor in regression (and not as a dummy variable). They even have a name for this, interval like....

• Replies: 0
• Views: 1,962
04-29-2014, 11:20 AM
18. ### Can I compare regression models with same # predictors and same sample?

Hi there, As a part of my dissertation I want to compare a focal, new, variable against other well-known predictors of my outcome, so I plan to...

• Replies: 7
• Views: 1,782
04-28-2014, 11:49 AM
19. ### comparing models in logistic regresssion

Hello, I am planning a stepwise regression (backward or forward, haven't decided yet) of a set of predictors for my reference model to determine...

• Replies: 1
• Views: 967
04-28-2014, 10:52 AM
20. ### Pooled data

Hello, I have data on prices of products A, B, C and D for every year over four year period. The price is constant except certain product may be...

• Replies: 0
• Views: 2,204
04-28-2014, 08:41 AM
21. ### [ols] what is cov(xbar, bhat)?

For a linear regression, y(i) = a + b x(i) + e(i), what is cov(xbar, bhat), ie, the covariance between the sample mean of x, xbar, and the ols...

• Replies: 1
• Views: 2,149
04-28-2014, 08:34 AM
22. ### 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: 1,101
04-27-2014, 10:32 AM
23. ### proof of E(EMS)=sigma^2

How can I prove expected value of error mean square E(EMS)=\sigma^2. I showed that ESS=S_{YY}-\hat\beta_1^2 S_{XX} Thus E(EMS)= E I am...

• Replies: 2
• Views: 1,757
04-26-2014, 02:16 PM
24. ### Implications of strict exogeneity in linear regression

Hi, I've been teaching me regression and have questions about implications of strict exogeneity. These are questions at the end of the chapter...

• Replies: 1
• Views: 2,133
04-26-2014, 01:58 PM
25. ### Regression help answering S-plus type question.

Know any good books?

• Replies: 0
• Views: 2,008
04-26-2014, 12:20 PM
26. ### Which regression model would fit best?

Hello everyone, A friend and I are trying to examine if changes in political ideology of a government (changes in government in other words) exert...

• Replies: 0
• Views: 863
04-26-2014, 12:19 PM
27. ### Changing significance level when interactions are added

Hi, I'm wondering why my significance levels go from significant, to insignificant, and back to significant again when adding interactions? ...

• Replies: 1
• Views: 2,214
04-26-2014, 11:37 AM
28. ### cov (yi, yi*)

solved delete

• Replies: 0
• Views: 2,552
04-25-2014, 09:59 PM
29. ### Linear regression after multiple regression

Please excuse my stupidity - would it make sense to conduct linear regression on the predictor variables remaining after backwards elimination in...

• Replies: 0
• Views: 1,088
04-25-2014, 12:53 PM
30. ### Moved: I urgently need help with this specific regression model

• Replies: -
• Views: -
04-25-2014, 11:38 AM
31. ### Logistic regression or ANOVA?

I’m working with a large data set looking at the associations between diabetes and depression with various cognitive outcomes. Specifically, my...

• Replies: 5
• Views: 1,054
04-25-2014, 07:51 AM
32. ### Curve Estimation in SPSS

Hi all, I have 2 variables: time & cost - Time: 0%, 10%, ..., 100% (11 variables) - Cost: 11 variables I want to use 'Curve Estimation' in...

• Replies: 0
• Views: 2,752
04-25-2014, 01:26 AM
33. ### 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: 1,665
04-24-2014, 04:18 PM
34. ### [age] discrete variable or continuous variable in linear regression?

Hi i need some help. I hope you can guide me. I have a survey and i need to predict the variable e18. The issue is i'm not sure how to treat the...

• Replies: 4
• Views: 3,144
04-24-2014, 12:51 PM
35. ### Setting up a model from a multinomial logit regression

Hello, I've run a study where respondents are presented with a different profiles, and they were asked to indicate which one of several options...

• Replies: 0
• Views: 1,152
04-22-2014, 05:55 PM
36. ### Combining Seemingly Unrelated Regression Equations (SURE) with First Difference (FD)

Hey guys, I would like to estimate an equation system of 4 different equations (industry specific) across 20 countries. For various reasons Im...

• Replies: 0
• Views: 1,093
04-22-2014, 03:54 PM
37. ### Linear regression help

hi everyone, I'm new at university and working on this assignment. Basically what I want to determine is the relationship between the percentage...

• Replies: 2
• Views: 1,424
04-21-2014, 07:11 AM
38. ### Regression Analysis based on least square method

Dear colleagues, I need some help with SPSS. I did an experimental study and found that from dimensional analysis that my dependent variable is...

• Replies: 0
• Views: 1,578
04-20-2014, 07:07 AM
39. ### Help on illustrating the fit of a model

Hi, I've made a model for real estate price growth in my master's thesis. I want to show how well (or bad) the model fits the data. The problem...

• Replies: 0
• Views: 1,639
04-15-2014, 10:39 AM
40. ### Multicollinearity in foraging distance model

Hi all, I have a model looking at distance travelled ~ body mass + wing area The problem is that wing area is correlated with body mass but...

• Replies: 2
• Views: 1,243
04-15-2014, 10:03 AM
41. ### Interactions cancel my main effects

I was looking at the effects of : poverty, political interest, satisfaction with democracy and political trust on political participation through...

• Replies: 5
• Views: 1,446
04-15-2014, 03:13 AM
42. ### Help with Panel data

Hi everyone I am doing a research which involve a panel data analysis with dependant variable that take the value of 1-100. This value is a result...

• Replies: 0
• Views: 1,345
04-14-2014, 02:48 PM
43. ### Mediation Analysis with Dichotomous Outcomes - Effect Size for Indirect Effect

Hello, I would like to run a mediation analysis where my predictor (X) is continuous, my mediator (M) is continuous, but my outcome variable (Y)...

• Replies: 0
• Views: 3,317
04-14-2014, 02:39 PM
44. ### Problems with time series model

Hello. I want to run a pretty simple ADL model, and I have a couple of problems: My model: - Consumption (Ct) as the dependent variable -...

• Replies: 4
• Views: 1,648
04-14-2014, 12:01 PM
45. ### Dispersion parameter

I have the understanding that the dispersion parameter, \phi, in generalised linear models needs to be known for deviance to meaningful or otherwise...

• Replies: 7
• Views: 1,787
04-14-2014, 07:11 AM
46. ### Tests for goodness of fit, logistic regression

What could be for a reason, that Hoshmer and Lemeshow test says that model is good (p-value>0.9), bet Andrews test gives p - value=0 (always)? I have...

• Replies: 0
• Views: 1,788
04-14-2014, 03:40 AM
47. ### Hypotheses testing if R²=1

Dear all, Since the R² value of my regression model is one, I can neither conduct a t-test nor a F-test. Is this a problem with regard to...

• Replies: 21
• Views: 25,427
04-11-2014, 02:30 PM
48. ### Covariance

Hi, I'm studying econometrics and have been utterly swamped by this question. I have a set of statistics in the question. Mean of X, Mean of Y,...

• Replies: 0
• Views: 1,263
04-11-2014, 09:19 AM
49. ### coefficient standardization

Hi All, I am working on a 2nd order regression. The span of coefficient is large (say 1:10000). So the coefficients of 2nd order are very big and...

• Replies: 0
• Views: 991
04-10-2014, 04:03 PM
50. ### Predicting rare events using weight-adjusted logistic regression

This is a simulation study I adapted from sas website. Suppose my probably follows the following relationship, x=rannor(12342); ...

• Replies: 2
• Views: 4,107
04-09-2014, 02:26 PM
51. ### How to apply GEE and how to use it for critical mass

Hi, sorry I am completely new to the forum and as well to using GEE and SPSS so I hope my question is not to confusing. My dependent variable is...

• Replies: 0
• Views: 1,291
04-09-2014, 10:49 AM
52. ### 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: 3,314
04-09-2014, 10:05 AM

+ Post New Thread
Page 26 of 73 First ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ... Last

#### Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

#### Icon Legend

Contains unread posts
Contains no unread posts
Hot thread with unread posts
Hot thread with no unread posts
Thread is closed
You have posted in this thread

#### Posting Permissions

• You may not post new threads
• You may not post replies
• You may not post attachments
• You may not edit your posts