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Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. 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...

    Started by Rosie‎, 07-18-2011 03:18 PM
    gretl, panel, probit, regression, time series
    • Replies: 1
    • Views: 5,458
    07-18-2011, 05:35 PM Go to last post
  2. How to Organize Years in SPSS for Linear Regression

    Hello, IV: Time DV: Number of Alcohol References in Music Hypothesis: Alcohol references in country music will increase significantly over the...

    Started by sprices‎, 09-10-2013 04:16 PM
    • Replies: 0
    • Views: 5,456
    09-10-2013, 04:16 PM Go to last post
  3. Regression analysis of more than two independent and dependent variables

    Hello, I want to find the relationship between independent and dependent variables using regression analysis. There are 5 IV and 4 DV. Please...

    Started by ashima‎, 04-11-2012 07:20 AM
    • Replies: 8
    • Views: 5,449
    05-14-2012, 09:50 AM Go to last post
  4. Logistic Regression: Classification table vs. Chi-square?

    Hello, I'm using binary logistic regression for my bachelor thesis (psychology). My problem is that the classification table does not change...

    Started by kazu‎, 03-27-2013 05:51 AM
    • Replies: 5
    • Views: 5,446
    04-30-2015, 04:31 AM Go to last post
  5. Searching for analysis that would compare two trends of data

    Hello, glad to be here. I am looking for an appropriate statistical analysis to address a problem similar to the one described below: Lets say I...

    Started by sosna‎, 02-24-2013 06:04 PM
    correlation, curve estimation, regression, trends
    • Replies: 4
    • Views: 5,446
    03-01-2013, 03:15 AM Go to last post
  6. Kruskal-Wallis equality-of-populations rank test

    Dear Colleagues I am using KW test to check the differences between Four different types of companies and I use four variables, so I check for...

    Started by momo‎, 11-12-2010 09:27 AM
    • Replies: 0
    • Views: 5,436
    11-12-2010, 09:27 AM Go to last post
  7. Question Reporting hierarchical regression

    I have a 2-step hierarchical regression. Step 1 Variable A = significant p<.001 Step 2 Variable A = now non significant Variable B =...

    Started by sneaks‎, 01-12-2011 11:57 AM
    • Replies: 2
    • Views: 5,434
    01-15-2011, 07:01 AM Go to last post
  8. Now sure what to do now (4 variables, no interaction, significant correlated)

    Hello everybody - I am in need of some statistical help as I'm a bit confused as to what to do next. I'll give you a rundown of my situation: I've...

    Started by CedricFP‎, 04-09-2010 06:56 AM
    • Replies: 7
    • Views: 5,428
    04-22-2010, 11:26 AM Go to last post
  9. LME in SPSS and R giving different results

    I am trying to do a linear mixed model in both SPSS and R ... well, more precisely, originally I did it in SPSS, but now I want to use resampling to...

    Started by baixiwei‎, 06-08-2012 09:21 PM
    • Replies: 6
    • Views: 5,423
    06-11-2012, 04:31 PM Go to last post
  10. Cov in multiple linear regression

    For multiple linear regression model Y = Xβ + e, assume X is non-random. Assume Gauss-Markov assumptions hold. Show that variance-covariance matrix...

    Started by hanelliot‎, 06-19-2009 08:35 PM
    • Replies: 3
    • Views: 5,380
    06-19-2009, 09:32 PM Go to last post
  11. Blinder-Oaxaca Decomposition for a Multivariate Linear Regression

    Hello Everyone, I am working on a thesis that uses a multivariate linear regression to evaluate the racial wealth gap between four groups: whites,...

    Started by Colin‎, 03-16-2012 05:21 PM
    blinder-oaxaca, decomposition, general linear regression, multivariate regression, oaxaca
    • Replies: 1
    • Views: 5,379
    04-28-2012, 11:36 AM Go to last post
  12. Data pooling and regression analysis

    Dear All I have a question about data pooling and regression analysis, i have tried to read some basic statistic book, but still not answering my...

    Started by mchoud‎, 02-21-2006 10:48 AM
    • Replies: 4
    • Views: 5,375
    02-21-2006, 12:15 PM Go to last post
  13. [newbie dumb question] Why is that the assumption of E(u)=0 essential for interences?

    If E(u)=0 is violated, how would it affect the inference of parameters, such as by using t-statistics? My understanding is that if E(u)=0 is...

    Started by elton.li‎, 02-09-2011 06:02 PM
    • Replies: 3
    • Views: 5,361
    02-10-2011, 12:27 AM Go to last post
  14. multinomial logit, marginal effects all insignificant!

    Dear users, I am estimating a multinomial logit model. Concerning my coefficients, I find some variables being significant. After estimating the...

    Started by Stevens_Berlin‎, 09-30-2011 05:37 AM
    • Replies: 1
    • Views: 5,350
    01-25-2012, 04:49 PM Go to last post
  15. Gauss-Markov: Assumption no.5.

    "Correlation between independent variables and the error term is 0". How do i check this (in SPSS)? I know this is basically the same as the...

    Started by GetItDone‎, 06-09-2010 03:08 PM
    • Replies: 1
    • Views: 5,339
    06-09-2010, 03:34 PM Go to last post
  16. Logistic model interpretation - insignificant main effect, significant interaction

    Hi! I am running a logistic regression model where I investigate what characteristics matter when a group of people chooses representatives for...

    Started by plopp‎, 04-10-2013 08:23 AM
    • Replies: 5
    • Views: 5,337
    04-10-2013, 05:19 PM Go to last post
  17. meaningful value for R squared

    Hi, I did a simple linear regression with two variables (X & Y), both scores that were calculated (mean) on the basis of scores for the items of...

    Started by lucn‎, 02-13-2012 04:37 AM
    • Replies: 3
    • Views: 5,332
    02-13-2012, 09:20 AM Go to last post
  18. Stepwise regression Model selection based on AIC index

    I have a model with 6 explanatory variables (x1,x2,x3,x4,x5,x6) and 100 observations. It is given to me that after applying Stepwise regression based...

    Started by mamus‎, 05-10-2014 10:53 AM
    • Replies: 0
    • Views: 5,325
    05-10-2014, 10:53 AM Go to last post
  19. Exclamation Problem interpreting Multiple Regression on Video Game Sales

    Hi everyone, I am a new member, I am so glad to have found the forum. I'm tearing my hair out about this problem. These are my results: ...

    Started by aplfalcon‎, 11-09-2009 10:17 PM
    • Replies: 3
    • Views: 5,323
    11-11-2009, 04:28 PM Go to last post
  20. Wink Regression/Time Series

    Hello All:wave: I am looking for research help:yup: There is a data set and the goal is to build a model. There are events that happen....

    Started by iknowu99‎, 03-18-2009 03:55 PM
    • Replies: 11
    • Views: 5,322
    07-30-2009, 03:28 PM Go to last post
  21. VAR EViews: Heteroskedasticity and non-normal distribution of reiduals - White Errors

    Hi, I am estimating the causality between the oil price and gdp in EViews. I am using quarterly and real data. I estimated the data as log and in...

    Started by leo22‎, 06-21-2013 04:41 AM
    • Replies: 1
    • Views: 5,322
    06-21-2013, 07:22 AM Go to last post
  22. Regarding negative correlation and negative variance estimation result

    In ANOVA, we sometimes talk about that variance estimation can get negative result when there is negative correlation. I do not understand what...

    Started by winecoding‎, 09-12-2011 10:24 AM
    anova, correlation, variance estimation
    • Replies: 8
    • Views: 5,320
    09-12-2011, 11:32 PM Go to last post
  23. interaction in logistic regression

    Hi, I have run a moltinomial logistic regression and wanted to test for moderation effects of some variables so I tested the model with main effects...

    Started by Sciarada‎, 06-30-2011 08:48 PM
    interaction effect, likelihood ratio test, logistic regression
    • Replies: 10
    • Views: 5,319
    07-01-2011, 08:03 PM Go to last post
  24. Need help urgently

    I need to run a test to run if a relationship is significant. Hyphothesis H1: Entertainment of the advertisement on web is positively associated...

    Started by Kate10‎, 08-30-2010 02:36 PM
    • Replies: 14
    • Views: 5,290
    09-03-2010, 01:35 PM Go to last post
  25. Analytical linear regression?

    My lecturer stated that no method exists to determine the line of best fit for a set of data analytically. He went on to state that computers through...

    Started by striphe‎, 08-04-2011 06:32 AM
    • Replies: 6
    • Views: 5,288
    08-05-2011, 06:01 PM Go to last post
  26. Least square estimates

    (y1, x1)...(yn, xn) and (w1,x1),.....(wn,xn) are independent oberservations where x1...xn are fixed constants. Suppose we fit the first model yi = a1...

    Started by Cookie‎, 08-22-2011 02:51 AM
    • Replies: 3
    • Views: 5,279
    08-22-2011, 11:49 PM Go to last post
  27. Multiple Regression - Adjusted Rsquare & SEE vs. coefficient sig.

    I'm doing an assignment where we are just learning about regression. We were given a set of data and ran it through SPSS. Now, I am trying to...

    Started by SeraphicMirth‎, 02-04-2011 11:53 AM
    • Replies: 1
    • Views: 5,278
    02-04-2011, 01:51 PM Go to last post
  28. Slope comparison in two-phase regression analysis

    Hi I am using a two-phase regression analysis to analyze some physiological data. The analysis is based on using two, simple linear regressions...

    Started by mattcass‎, 03-01-2011 05:27 PM
    • Replies: 0
    • Views: 5,271
    03-01-2011, 05:27 PM Go to last post
  29. Calculating Cook's Critical Value

    Hey can someone show me how to get F (4,15) (0.5) = 0.8783.

    Started by saternal‎, 05-12-2012 12:43 AM
    • Replies: 7
    • Views: 5,266
    05-12-2012, 01:37 PM Go to last post
  30. Negative fitted values

    Hi, I am trying to imput the prices of houses in a database using information on the carachteristics of the houses and a database in which i have...

    Started by Laurie‎, 08-20-2010 09:48 PM
    • Replies: 2
    • Views: 5,261
    08-26-2010, 08:20 PM Go to last post
  31. Regression for CAPM.. Finance

    I am testing CAPM (a financial model) using regression. Would It be correct to say that 'c' (the constant) is equal to the alpha? Thanks

    Started by drinu_89‎, 12-22-2010 03:07 AM
    • Replies: 2
    • Views: 5,253
    12-26-2010, 07:24 PM Go to last post
  32. Meaning of Logarithmic Trend Line

    Hello Everyone I was just curious as to the meaning of the slop in an Excel logarithmic trendline. For example, y = -0.039ln(x) + 1.6792, where x...

    Started by skohon‎, 10-13-2010 10:45 AM
    • Replies: 0
    • Views: 5,250
    10-13-2010, 10:45 AM Go to last post
  33. Question Regression Analysis Assignment

    :confused: hi all! I'm new here but I sort of need some help. I have this regression analysis assignment to do using SPSS and stats knowledge...

    Started by Laurence‎, 11-05-2007 09:44 AM
    • Replies: 0
    • Views: 5,224
    11-05-2007, 09:44 AM Go to last post
  34. Cool negative binomial regression coefficients and exp(b)

    Thank you so much anyone... I have the results of a negative binomial where the DV is the log count of meals obtained. I have continuous predictors...

    Started by LidoBeach‎, 08-23-2013 10:59 PM
    exp(b), interpreting output, negative binomial, regression, spss
    • Replies: 4
    • Views: 5,222
    08-27-2013, 09:28 AM Go to last post
  35. Calculating predicted probabilities from a logistic regression model SPSS

    Hello everyone, I am trying to calculate individual predicted probabilities from a logistic regression model with SPSS (to describe how a individual...

    Started by kranas‎, 10-30-2016 12:08 PM
    logistic regression, probabilities
    • Replies: 6
    • Views: 5,220
    11-01-2016, 03:52 PM Go to last post
  36. Logistic Regression of NFL Data

    Week 5 picks from a logistic regression model for the NFL: http://trevorbischoff.com/nfl-2015-week-5-predictions/

    Started by LeeBalto‎, 10-07-2015 08:00 AM
    logistic regression, modeling, prediction
    • Replies: 8
    • Views: 5,214
    12-30-2015, 01:19 PM Go to last post
  37. positive and negative beta

    G'day. I was wondering, in my multiple regression model, I added only all positive or all negatively correlated independent variables thinking...

    Started by Pen‎, 07-28-2010 04:00 AM
    • Replies: 1
    • Views: 5,208
    07-29-2010, 05:44 PM Go to last post
  38. Interpreting Multiple Regression vs Correlation

    Hi, I'm analysing the results to a satisfaction survey. I want to work out the key drivers of satisfaction so I'm using a question relating to...

    Started by andrew2786‎, 05-23-2012 10:12 AM
    correlation, interpreting results, multiple regression, satisfaction
    • Replies: 4
    • Views: 5,200
    05-28-2012, 05:58 AM Go to last post
  39. Sum of Squares Model Proof

    I'm attempting the proof of the sum of squares model. I'm not exactly sure where to start but this is what I have to prove. sumYhati^2 = nYbar^2...

    Started by tk4210‎, 10-16-2011 01:26 AM
    • Replies: 1
    • Views: 5,195
    10-16-2011, 06:35 PM Go to last post
  40. Dealing with violations of the assumptions.

    I thought I had this covered in detail, but if so I apparently lost it. When you discover you have non-normal residuals the first suggestion is...

    Started by noetsi‎, 04-21-2015 03:51 PM
    2 Pages
    1 2
    • Replies: 28
    • Views: 5,163
    04-28-2015, 07:47 AM Go to last post
  41. backward stepwise regression: all variables eliminated

    Hello everyone, Initially I perfomed a standard logistic regression (forced enter method in spss) on my data (small sample): n= 85 and 8...

    Started by noob‎, 08-20-2013 03:57 PM
    • Replies: 2
    • Views: 5,158
    08-21-2013, 08:38 AM Go to last post
  42. question on complete confounding and partial confounding in multiple regression

    While learning multiple regression, I once meet the concepts of “complete confounding” and “partial confounding” In the model, the response...

    Started by winecoding‎, 03-15-2012 10:37 PM
    • Replies: 2
    • Views: 5,154
    03-15-2012, 10:49 PM Go to last post
  43. Joint hypothesis testing

    Hi, I am working on a 'quick' study on whether ex-ante probabilities predict the actual realized outcomes of sporting events. My model is ...

    Started by rotanho‎, 10-27-2011 04:35 PM
    • Replies: 4
    • Views: 5,148
    10-31-2011, 06:30 AM Go to last post
  44. 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...

    Started by c2q‎, 11-23-2010 06:14 PM
    • Replies: 3
    • Views: 5,138
    11-23-2010, 06:49 PM Go to last post
  45. Is this method to compare F value correct?

    Hi. I am getting this result for my regression showing the F value. I used this website to calculate the critical-F value and compared it to...

    Started by graphicsgriffin‎, 06-30-2011 01:57 PM
    • Replies: 4
    • Views: 5,124
    07-01-2011, 04:19 PM Go to last post
  46. Exclamation Is the difference significant.

    I'm using stata since only a few weeks for my thesis. I can use some help regarding the following: I wanted to know what the mean grade is for...

    Started by Anbrhave‎, 10-28-2010 10:04 AM
    • Replies: 0
    • Views: 5,123
    10-28-2010, 10:04 AM Go to last post
  47. R-squared and Explained Sum of Squares?

    I'm not quite sure how to get started on this one, any suggestions? Thanks!! "If you have the following: R-squared for Y on X1,2,3 is 0.25,...

    Started by sask‎, 02-28-2011 11:26 AM
    • Replies: 2
    • Views: 5,123
    02-28-2011, 12:09 PM Go to last post
  48. change in significance level (univariate vs multivariate)

    I have 3 independent variables, X, Y and Z when I do univariate regression on each of them, the t-statistics are -4.7, 1.8 and 2.2, respectively....

    Started by espes‎, 10-24-2011 06:35 PM
    • Replies: 4
    • Views: 5,113
    10-25-2011, 10:09 AM Go to last post
  49. Help needed with ANOVA analysis

    ANOVA df SS MS F Significance F Regression 6 5510.4 918.4 11.67 0.0081 Residual 5 393.2 78.65 Total ...

    Started by d.g.aspinall‎, 11-17-2008 07:46 PM
    • Replies: 1
    • Views: 5,110
    11-18-2008, 03:32 PM Go to last post
  50. Passing-Bablok regression

    Hi all, Does anyone knows how to perform Passing-Bablok regression in SAS? I have never done it do the SAS code (with or withoutan example)...

    Started by szm‎, 03-18-2013 01:56 PM
    passing-bablok regression, regresion
    • Replies: 0
    • Views: 5,110
    03-18-2013, 01:56 PM Go to last post
  51. Significant Correlations - No Sig Beta Weight

    Hi guys, I'm hoping that someone can clear up my confused state of mind...:( I have conducted a standard MRA and my problem is that even though...

    Started by StormSurfer‎, 10-10-2010 10:54 PM
    • Replies: 2
    • Views: 5,103
    10-11-2010, 05:20 PM Go to last post
  52. What to do when the continuous dependent variable is zero more than 50% of the time

    That's basically the question - What to do when the continuous dependent variable is zero more than 50% of the time? Are there alternatives to...

    Started by steven.balsam‎, 08-01-2010 03:30 PM
    • Replies: 3
    • Views: 5,099
    08-03-2010, 04:06 PM Go to last post
  53. PLS HELP! Regression with non-normally distributed errors

    Hello Everyone, I'm desperatelly looking for help regarding an regression analysis I'd like to conduct. Apparently the residuals/error terms of...

    Started by CheersToStata‎, 07-26-2013 05:03 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 5,098
    07-26-2013, 02:51 PM Go to last post
  54. what t value is usually the threshold for significance?

    i have an exercise asking me to estimate the t values of the coefficients of my regression and then state if they significant or not. but he does not...

    Started by eac13‎, 01-04-2014 07:32 PM
    • Replies: 4
    • Views: 5,094
    01-05-2014, 12:36 AM Go to last post
  55. Linear regression on bio-data.

    Hi all, I'm completely new to this forum so forgive me (and tell me) if I break protocol in any way. My setup is: I have n animals. I believe...

    Started by Kettle‎, 02-20-2011 06:12 AM
    • Replies: 6
    • Views: 5,093
    02-23-2011, 07:37 PM Go to last post
  56. Question Classification Rate of Multivariate Logistic Regression

    Hello, I'm running a binary (2 groups), multivariate (multiple predictors) logistic regression analysis, and would like to test the classification...

    Started by eyeballjunk‎, 09-28-2009 09:10 AM
    • Replies: 1
    • Views: 5,087
    09-29-2009, 03:01 PM Go to last post
  57. Help-The F or chi2 model statistic has been reported as missing

    Hello All, I use Robust regression for event study- cross sectional. I have 25 industries dummies (0,1) in my regression and always "Adj...

    Started by Stata_user‎, 12-13-2011 08:30 AM
    • Replies: 0
    • Views: 5,079
    12-13-2011, 08:30 AM Go to last post
  58. simple logistic regression question

    I'm doing a willingness to pay survey to see if people are willing to spend $1 for clean water. I randomly sampled 100 people and one of the...

    Started by alphaqn69‎, 02-12-2011 05:10 PM
    • Replies: 5
    • Views: 5,067
    02-28-2011, 12:36 AM Go to last post
  59. Probit Model: Liklihood Ratio Significant, Very Low Pseudo R-Square

    I'm running a probit model in Stata, and I'm a bit confused by the results. The LR test is highly significant, .0000, but the Pseudo R-Square is very...

    Started by DavidBill‎, 02-25-2011 02:34 AM
    • Replies: 0
    • Views: 5,057
    02-25-2011, 02:34 AM Go to last post
  60. P value results

    Dear Colleagues I did a bivariate regression using 10 independent variables on each dependent variable. all the results are significant at 95%...

    Started by momo‎, 11-11-2010 03:51 PM
    • Replies: 7
    • Views: 5,051
    01-06-2011, 07:08 PM Go to last post

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