1. 10-14-2010
Views:
36,721
Page 6 of 70 First 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 56 ... Last
Threads 301 to 360 of 4188

# Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

1. ### Compare the estimated model with the model with intercept-only

The question is: How do the test to compare the estimated model with the model with intercept-only ? How can I comment on the result ? I think we...

• Replies: 5
• Views: 658
06-26-2016, 12:08 PM
2. ### Change regression model ($x^*_i = x_i -10$)

Hi there.:wave: I'm solving an exercise on multiple linear regression. Near the end I will be asked for the same data as the previous model, it is...

• Replies: 5
• Views: 556
06-26-2016, 04:18 AM
3. ### 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: 261
06-25-2016, 10:27 AM
4. ### Find costant that satisfies the variance

Hi, I have this regression model : Y_i=B_1+B_2logx_i+2e_i e_i~N(0,σ2) I am asked to find the constant :

• Replies: 0
• Views: 288
06-24-2016, 03:02 AM
5. ### Supporting References for my analysis choice level vs. difference regression

All, I need some help in finding some good references which help me to document the regression approach I used. I am analyzing the influence of...

• Replies: 0
• Views: 354
06-22-2016, 08:13 AM
6. ### Variable transformation in OLS regression

Hi there, I have a question related to the transformation of independent variables in an OLS regression. More specifically: When I transform...

• Replies: 7
• Views: 1,877
06-20-2016, 06:48 PM
7. ### AUC below 0.5

Hi, I am calculating area under the curve (AUC) values for the individual independent variables of a conditional logistic regression model. I am...

• Replies: 3
• Views: 694
06-20-2016, 12:23 PM
8. ### Effective DoF with lag1 autocorrelated data...how to actually incorporate ?

Hi all, I have some time series data that is auto-correlated, and I am trying to account for in my correlation analysis. I have found out how to...

• Replies: 2
• Views: 421
06-20-2016, 02:41 AM
9. ### Can someone help me interpret this data?

I'm performing multiple regression for an international relations thesis regarding various predictor variables and the outcome of intervention in...

• Replies: 5
• Views: 468
06-19-2016, 06:58 PM
10. ### Pooled GLS and POLS

Hello everyone, This semester I'm studying, OLS, GLS, RE, FE, MLE, and a lot of beautiful concepts :D. But I get a little bit concerning the...

• Replies: 0
• Views: 431
06-18-2016, 07:57 AM
11. ### Two categorical variables, one continuous dependent variable

Hi, I want to check whether linear regression is the statistical tool I need and ways of checking whether my data is appropriate for this...

• Replies: 3
• Views: 548
06-17-2016, 12:23 PM
12. ### CI for Dependent Variable in Multiple Linear Regression

I have a regression model but I want to get a 95% confidence interval of the dependent variable for given values of the independent variables. I...

• Replies: 1
• Views: 264
06-17-2016, 11:58 AM
13. ### Regression Analysis from R output

• Replies: 0
• Views: 339
06-17-2016, 09:50 AM
14. ### interaction continuous*dummy:possible to treat continuous variable as the moderator?

Hey everyone. This is my first post here so please be kind to me :) . For my thesis my aim is to run a moderation analysis between organizational...

• Replies: 1
• Views: 377
06-17-2016, 04:42 AM
15. ### Consolidation of items for regression analysis

Hello everyone! I am a stats newbie and have a very basic question. Please forgive me if the question may seem too foolish. I wanted to conduct...

• Replies: 1
• Views: 398
06-16-2016, 09:12 PM
16. ### General guidance on interpreting residuals and diagnostics for linear regressions

Now that I'm more comfortable with regression (in SAS) and understand the assumptions needed for linear regression, I'm able to run simple models of...

• Replies: 5
• Views: 567
06-14-2016, 07:18 AM
17. ### Multiple Regression Analysis - Two independent variables, one w/same values

Post closed.

• Replies: 4
• Views: 462
06-13-2016, 09:23 AM
18. ### Causal mediation analysis with lagged endogeneous regressors

Hello dear forum members! So, in the study I am currently working on, I have the following (simplified) Poisson panel model with fixed-effects...

• Replies: 1
• Views: 342
06-12-2016, 11:56 PM
19. ### Interpret Transformed Independent Variables

Dear Forum, I ran a logistic regression and one of my Independent variables was transformed with a LG10. I know from normal non transformed...

• Replies: 1
• Views: 289
06-12-2016, 12:15 PM
20. ### My First Model

Hello, I am doing a Master's and I am at the dissertation stage, and have to write and test a model empirically. However I am not sure about...

• Replies: 1
• Views: 387
06-11-2016, 01:44 PM
21. ### Orthogonal-polynomial contrasts

Hi there, During my studies, I always learned that, when you have an independent ordinal variable, you could include it into your regression...

• Replies: 0
• Views: 271
Tux
06-09-2016, 04:56 PM
22. ### Detecting and adjusting for heteroskedasticity in ordinal logistic models

Does anyone know how to check whether heteroskedasticity is present in an ordinal logistic regression analysis? And, if present, how can it be...

• Replies: 0
• Views: 301
06-09-2016, 03:13 AM
23. ### Confidence intervals comparison for linear and quadratic slopes?

Hello, I am using regression analyses to evaluate changes in several different cognitive functions across the life span. In most cases, the...

• Replies: 0
• Views: 272
06-08-2016, 09:09 PM
24. ### Logistic Regression with interactions and contrasts

Hello All, I need some advice for choosing the correct model. I have 3 binary variables: Risk (0 = the person doesn't take financial risks, 1 =...

• Replies: 5
• Views: 695
06-08-2016, 09:37 AM
25. ### SQReg demonstration

Hello everyone, i need help with this demonstration: SQReg = B1^2*Sxx Someone can help?

• Replies: 1
• Views: 408
06-06-2016, 12:22 PM
26. ### Constant in linear regression

Hey guys, Need help in Linear regression: I have a dataset of 70 tumors that during resection we used an electric measurement to estimate a...

• Replies: 0
• Views: 360
06-05-2016, 10:47 PM
27. ### Interpretation of continuous interaction term

Hi all, I have a question regarding the interpretation of a squared interaction term in the following model: Y=β0+β1X+ β1X^2 + β2Z+ β3 X^2Z ...

• Replies: 0
• Views: 386
06-05-2016, 08:13 AM
28. ### Need help to choose right statistical analysis

Dear all, I have one dependent variable (Y) and 3 independent variables (X1, X2, X3). All dependent and independent variables are continuous. ...

• Replies: 0
• Views: 253
06-05-2016, 03:30 AM
29. ### Interpreting dummy variables.

I did not create the following variables, the state I worked for did...They have one variable coded W if you are white 0 otherwise. A second variable...

• Replies: 0
• Views: 310
06-04-2016, 05:59 PM
30. ### Beta weights and correlations

Dear all, I have used regression to explain a dependent variable with a number of independent variables. I expected independent variables which...

• Replies: 0
• Views: 274
06-04-2016, 04:05 AM
31. ### How to handle poor reporting unstandardised\standardized coefficients?

Hi, I have several times problem how to distinguish what is reported in clinical journals in relation to regression analysis. Frequently authors...

• Replies: 1
• Views: 339
06-01-2016, 05:56 PM
32. ### Is this Multicollinearity?

Hi guys, im relatively new in this forum. I have a question, i am using multiple regression analysis for my thesis. The result shows the P-value is...

• Replies: 8
• Views: 482
06-01-2016, 07:44 AM
33. ### Can we really(theoretically) generalize fixed regressor linear regression?

If we have stochastic regressors, we are drawing random pairs $(y_i,\vec{x}_i)$ for a bunch of $i$, the so-called random sample, from a fixed but...

• Replies: 3
• Views: 485
05-30-2016, 09:16 PM
34. ### Time-varying covariates in linear mixed models/multilevel models

Hi! I am a Norwegian phd student exploring the effects of nocturnal road traffic noise exposure in children. One of the research questions is...

• Replies: 0
• Views: 567
05-30-2016, 04:49 PM
35. ### Mediation analysis - an issue of two opposing (contrary) effects

Hey! I would be very grateful about any advices or comments on an issue I have recently come across. We tested a simple mediation analysis,...

• Replies: 0
• Views: 265
05-30-2016, 02:52 PM
36. ### out of sample

Hi There I have 2500 data with 2 sample. one index and another stock. i've done goodness of fit and regression analysis on it.now I've been asked to...

• Replies: 3
• Views: 383
05-30-2016, 07:05 AM
37. ### Why do you subtract the mean of a predictor variable from that variable..

An author using temperature as a predictor subtracted its mean value from each temperature data point to deal with "scaling issues." I don't...

• Replies: 5
• Views: 503
05-29-2016, 11:33 AM
38. ### Violation of linearity assumptions - binary logistic regression - what to do?

I am running a binary logistic regression with SPSS and unfortunately the assumption of linearity (Box-Tidwell procedure) are not met for the...

• Replies: 10
• Views: 875
05-26-2016, 01:46 PM
39. ### Relative impact of variables on DV

I keep circling back to this issue, this time with a twist. I am arguing with some sports statisticians (who use statistics very differently than the...

• Replies: 1
• Views: 291
05-26-2016, 01:18 PM
40. ### Multiple linear regression: square root transformation of predictor variable

I have used a square root transformation to successfully correct the positive skew of a predictor variable in a hierarchical multiple linear...

• Replies: 0
• Views: 425
05-25-2016, 03:38 PM
41. ### Individual vs. Team Aggregated Data

I have a set individuals (let's say ID_No 1 through 50) and a set of metrics that pertain to these individuals: things like age, SAT reading score,...

• Replies: 0
• Views: 262
05-25-2016, 12:19 PM
42. ### how to argue using wald-test/LR-test for logistic Regression

Hey there, I'm writing my thesis and I did a logistic regression in a data set. At first, it didn't come into my mind that I should argue why I'm...

• Replies: 0
• Views: 249
05-25-2016, 07:38 AM
43. ### OLS regression with interdependence

Hello everyone, I have been writing my thesis and decided, together with my supervisor, to use OLS even though my actors are interdependent...

• Replies: 0
• Views: 212
05-25-2016, 06:15 AM
44. ### R help with Binary log reg

Apologies -- should have posted my question in the R forum instead

• Replies: 0
• Views: 300
05-22-2016, 01:24 PM
45. ### Chi-square instead of Multiple Regression Analysis

Can someone help me? How can I explain that I used Chi-square test of association instead of Multiple Linear Regression Analysis because I had...

• Replies: 0
• Views: 329
05-21-2016, 11:42 AM
46. ### Interpretation of a lagged dependent variable, coefficient as proportion- Panel data

Dear experts! I am having some difficulties in interpreting the results of my regression model using Blundell–Bond linear dynamic panel-data...

• Replies: 0
• Views: 329
05-20-2016, 12:41 PM
47. ### Alcoolimetric Table

Any idea for estrapolation data for this table? I have read spec gravity= 0.8013 what will the content of Alcool? ...

• Replies: 0
• Views: 292
05-20-2016, 09:10 AM
48. ### Logistic Regression interpretation help

Hello I'm working on a project and had some debates with my colleagues on logistic regression model. Hope someone here can clarify for us. Let's...

• Replies: 0
• Views: 338
05-18-2016, 01:14 PM
49. ### Repeated measures, random effects, or both?

Hi, I have the following situation and I do not know if it is a case that calls for repeated measures or individual-specific random effects. We...

• Replies: 6
• Views: 531
agp
05-18-2016, 08:08 AM
50. ### Field's test for linearity of the logit

Hello, I am currently working on my bachelor thesis and I ran a logistic regression on a data set I have. From Field's 'Discovery Statistics...

• Replies: 0
• Views: 585
05-17-2016, 07:19 AM
51. ### SPSS - Regression - interpretation and generalizing results

Hello, Im really grateful you have taken the time to read my post. Thanks for your help. Im doing a regression analysis trying to predict...

• Replies: 2
• Views: 518
05-16-2016, 08:36 AM
52. ### dummy regression - unequal sample sizes

Hello, I am conducting a linear regression analysis in SPSS with different variables: - scale, - 2-level nominal, - 5-level nominal (dummy)...

• Replies: 0
• Views: 306
05-15-2016, 09:50 AM
53. ### Time series

Say you know that you have autocorrelation in your data. Say AR =2. Can you use ARIMA to remove the AC, then predict the results of the ARIMA with...

• Replies: 1
• Views: 388
05-15-2016, 08:58 AM

Page 6 of 70 First 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 56 ... Last

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.

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