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Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Thoughts on logistic regression dataset

    Hello! I'm running a logistic regression with 5 or so IVs predicting the outcome. The problem is that only around 300 cases out of about 1300 have...

    Started by drove5‎, 07-25-2012 03:38 PM
    • Replies: 2
    • Views: 2,167
    07-25-2012, 06:04 PM Go to last post
  2. Next step in logistic model...any thoughts?

    Hello! I would really appreciate your input on this if you have a minute! Im looking at 3 different characteristics of 'prestige', and how these...

    Started by drove5‎, 09-15-2012 10:54 AM
    • Replies: 0
    • Views: 853
    09-15-2012, 10:54 AM Go to last post
  3. Cool Best way to analyze time 1/time 2 data??

    Hi There! I was hoping to get some input on the best way to test some data that I have collected (using SPSS). In short, respondents make an...

    Started by drove5‎, 06-09-2014 02:53 PM
    anova, means, regression, time lag
    • Replies: 1
    • Views: 999
    06-09-2014, 07:12 PM Go to last post
  4. Problem/question regarding Cox Regression

    Hello! I am new to statistics and research and am looking for a little help. I am doing a study looking at the the effects of post-operative...

    Started by drronin9790‎, 08-13-2014 04:29 PM
    • Replies: 1
    • Views: 1,126
    08-13-2014, 08:39 PM Go to last post
  5. How to assess Goodness-of-fit

    I have fitted a set of data points to an exponential decay curve of the equation: y=A+Be^(-t). I wish to assess the quality of fit. Is it OK if...

    Started by dr_rk‎, 09-28-2012 03:45 AM
    chi-squared, goodness of fit, non-linear regression
    • Replies: 5
    • Views: 1,999
    09-30-2012, 11:48 AM Go to last post
  6. MRC, Index as dependent variable

    My question has to do with doing an MRC, using an index at the dependent variable. This is a survey, having 62 questions, all rated on the same...

    Started by dschag‎, 12-18-2012 08:35 PM
    • Replies: 1
    • Views: 1,756
    01-02-2013, 07:21 PM Go to last post
  7. NEED HELP on degrees of freedom!!!! URGENT

    Hello! I have finished my regression project and am writing my paper for a multiple regression model, but cannot seem to find in notes or online...

    Started by dshan‎, 12-15-2009 05:18 PM
    • Replies: 3
    • Views: 2,430
    12-15-2009, 06:17 PM Go to last post
  8. Both categorical and continuous predictors?

    I'm sure this is very simple but I just want to be sure. I have actually been searching the web for a while now and can't seem to find a clear...

    Started by dt87‎, 03-21-2016 01:02 AM
    • Replies: 5
    • Views: 1,893
    03-21-2016, 04:35 PM Go to last post
  9. Does anybody know if the Oaxaca Blinder decomposition command is now available SPSS?

    Hi, I was wondering if it was now possible to run the Oaxaca Blinder decomposition on SPSS? I know it is possible on Stata but I do not wish to...

    Started by Dubuclawrence‎, 09-23-2013 05:42 PM
    oaxaca blinder, regression analysis, spss
    • Replies: 0
    • Views: 2,570
    09-23-2013, 05:42 PM Go to last post
  10. Predicting non linear value

    Hello, sorry to cross post, but I initially posted this in the wrong forum. Im trying to build a model to project the number of customer reviews...

    Started by dude2000‎, 09-05-2012 10:53 AM
    • Replies: 0
    • Views: 887
    09-05-2012, 10:53 AM Go to last post
  11. Talking House Price Regression - Need opinion and suggestion.

    Hi everyone, This is my very first time running regression(am very excited :D) and any opinion and suggestion will be very welcome !! I have...

    Started by Dude888‎, 04-12-2011 11:34 AM
    • Replies: 1
    • Views: 2,815
    04-30-2011, 01:06 AM Go to last post
  12. Multi-Factors model - Linear regression on Market Size

    Dear all, I'm working on a multi factors model analysis to come up with a formula to estimate market size of some countries based on several...

    Started by dudumomo‎, 05-20-2013 10:02 AM
    • Replies: 4
    • Views: 3,402
    05-22-2013, 12:46 PM Go to last post
  13. Binary Logistic Regression- SPSS Output

    Dear TalkStats Forum, I am currently looking into a data-set which measures previous cyber-crime victimization as well as whether the participants...

    Started by Dulusu‎, 03-02-2015 09:36 AM
    • Replies: 1
    • Views: 1,489
    03-03-2015, 03:58 PM Go to last post
  14. Multivariate timeseries regression - use of a dummy variable between two time periods

    Dear stat people I am doing an analysis on how the relation between Y and three explanatory variables change from one time period to the next. I...

    Started by dummy mouse‎, 12-11-2013 01:11 PM
    dummy variable
    • Replies: 0
    • Views: 1,338
    12-11-2013, 01:11 PM Go to last post
  15. Comparing coefficients across sub-samples/groups with different models

    I have a question in regards of comparing coefficients across sub-samples/groups. Group 1 consists of 400 observations, and Group 2 consists of 2500...

    Started by dunkdrugis‎, 05-15-2014 05:37 AM
    • Replies: 1
    • Views: 1,109
    05-15-2014, 06:11 AM Go to last post
  16. Multiple Regression theory

    Hey guys I'm not too good with the logic of multiple regression so I'd like some enlightenment on the following query. I'm running a multiple...

    Started by durantz‎, 04-03-2012 12:11 AM
    • Replies: 6
    • Views: 2,732
    04-19-2012, 05:19 AM Go to last post
  17. Link function

    Hi all, I've never really understood the concept of "link functions". Is anyone able to point me in the right direction of something that could...

    Started by duskstar‎, 04-12-2011 03:18 AM
    • Replies: 1
    • Views: 2,969
    04-12-2011, 05:51 AM Go to last post
  18. Question HELP NEEDED! Running a negative binomial regression in SPSS

    Hey everyone, I'm new here, working on my master's thesis in strategic public relations, and am in over my head with statistics. I need to run a...

    Started by dutchinrichmond‎, 02-03-2013 09:50 PM
    • Replies: 1
    • Views: 6,121
    02-03-2013, 11:49 PM Go to last post
  19. Master thesis, statistics check!

    About me: Medical student with minimal statistical knowledge or research experience Question related to: statistical regression/correlation...

    Started by DutchMedicalStudent‎, 05-22-2017 09:30 AM
    blinded data, correlation, master thesis, spearman correlation
    • Replies: 12
    • Views: 2,756
    06-02-2017, 03:24 AM Go to last post
  20. Post How to model my variables into a probit

    Hey guys, Got a tricky issue here... I am trying to estimate a probit model. The binary dependent variable is employment status and the...

    Started by Dwayne Johnson‎, 07-20-2014 02:38 PM
    • Replies: 0
    • Views: 1,255
    07-20-2014, 02:38 PM Go to last post
  21. Moderated Regression Non-Signficant but Subgroup Correlation Significant??

    Hi Guys, I'm having a bit of trouble trying to figure out some of my statistics and wonder if any one has some ideas for me? I've run a moderated...

    Started by Dwest‎, 01-15-2013 07:44 AM
    moderation, moderator., regression, step-function
    • Replies: 3
    • Views: 2,742
    03-10-2017, 06:35 AM Go to last post
  22. Bayes Rule to summarize time series cumulative Logistic Regression output

    Hello, I have been struggling to find a definitive answer to what should be a very simple question. I have a logistic regression model that...

    Started by dwienke‎, 10-23-2012 10:49 AM
    • Replies: 0
    • Views: 950
    10-23-2012, 10:49 AM Go to last post
  23. Modeling Future Logistic Regression Covariates

    Hello, I have a logistic regression model which implicitly estimates the probability that a business will default in each of 8 future quarters...

    Started by dwienke‎, 12-05-2012 12:06 PM
    • Replies: 0
    • Views: 1,244
    12-05-2012, 12:06 PM Go to last post
  24. Regression Analysis for Aggregated Macro Economic Data with Thin Data

    Hello, I am new to this forum, so thank you in advance for any help or advice. I am looking to build a model that produces an aggregated, index...

    Started by dwienke‎, 07-03-2013 03:00 PM
    • Replies: 1
    • Views: 1,272
    07-03-2013, 03:03 PM Go to last post
  25. Multiple Regression

    I am trying to figure out how to determine how long someone has been part of a study. The information provided is as follows: Supplements ...

    Started by DWills‎, 10-21-2012 12:35 PM
    • Replies: 1
    • Views: 1,072
    10-22-2012, 01:59 AM Go to last post
  26. Finding complex relationships with multiple independent variables

    Howdy. Question - how can I find complex relationships when there are multiple independent variables. Specifically, I am looking at a situation where...

    Started by dwl‎, 07-25-2012 09:29 AM
    • Replies: 1
    • Views: 2,090
    07-25-2012, 10:45 AM Go to last post
  27. Multinomial 2 dv's?

    Hi All. I'm happy to be part of the Talk. Question: Is is possible to do a multinomial logistic regression if you only have 2 categories of...

    Started by Dxbugs‎, 11-26-2010 08:22 AM
    • Replies: 1
    • Views: 2,590
    11-26-2010, 08:44 AM Go to last post
  28. Table interpretation (odds)

    Can someone help me interpret and understand this table? The question is: What effect does the age have on the odds for bodyweight=1 for persons who...

    Started by dymatize‎, 12-08-2016 08:14 AM
    • Replies: 2
    • Views: 2,324
    12-09-2016, 05:06 PM Go to last post
  29. Correlation and regression

    Hello, it would be nice if you could provide the appropriate theoretical steps for the following task: There is a shop which also operates a pub....

    Started by DZ8‎, 01-30-2016 08:00 AM
    • Replies: 0
    • Views: 1,010
    01-30-2016, 08:00 AM Go to last post
  30. Standard Deviation or Response / Prediction - Linear Regression

    Hi, I'm hoping someone out there can help me with what is probably a very simple question. For a stats assignment, I've created a linear...

    Started by dzeni‎, 10-05-2008 06:28 PM
    • Replies: 4
    • Views: 11,429
    10-20-2008, 04:47 AM Go to last post
  31. Exclamation Logistic regression model returns lower than expected logit

    Hi all, I'm using a logistic regression model with 3 variables to separate true positives from errors in a data set. All in all it seems to...

    Started by d_chall‎, 05-12-2011 01:39 PM
    logistic regression, logit, regression, regression analysis
    • Replies: 0
    • Views: 1,703
    05-12-2011, 01:39 PM Go to last post
  32. Demonstrate that dependent variable is correlated with random error term

    The hint - show that if e rises, dependent variable Y also rises. C=a+bY+e Y=C+I C - consumption function Y - GDP I - investment e...

    Started by E574‎, 05-06-2011 05:47 PM
    • Replies: 0
    • Views: 2,657
    05-06-2011, 05:47 PM Go to last post
  33. why the first two regressions are not enough and why the other two are

    we want to see if there is income convergence when trade liberalization takes place. we use two measures. . The fi rst is the standard deviation of...

    Started by eac13‎, 11-17-2013 05:19 AM
    • Replies: 0
    • Views: 1,025
    11-17-2013, 05:19 AM Go to last post
  34. 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: 5,011
    01-05-2014, 12:36 AM Go to last post
  35. analyzing residual plot by hand

    Hi! Thanks in advance for looking at my query. I have a very basic question regarding regression. We have to analyze a residual Plot by hand. We...

    Started by ealeql‎, 12-06-2010 07:42 PM
    • Replies: 1
    • Views: 7,825
    12-06-2010, 07:54 PM Go to last post
  36. Calculate the MSE of s-squared

    Consider the multiple regression model y=Xb+u where u~N(0,sigma-squared times identity) where b is a Kx1 vector, X is a non-stochastic full rank...

    Started by eBopBob‎, 05-01-2011 06:35 AM
    • Replies: 0
    • Views: 3,107
    05-01-2011, 06:35 AM Go to last post
  37. correlation in multi-level model

    In a multi-livel model where level 1 is within-person and level 2 is between-person, can level 1 be a simple correlation between two within-person...

    Started by ecnusbau‎, 10-23-2015 11:46 AM
    • Replies: 2
    • Views: 1,045
    10-23-2015, 01:40 PM Go to last post
  38. Probit regression with sparse data - Should i standardize data or ??

    I am trying to create a probit model (later other models like logit, cloglog and weirder stuff will be tried feel free to make suggestions!), the...

    Started by EconGeek‎, 12-11-2013 10:37 AM
    probit, sparse data
    • Replies: 0
    • Views: 1,309
    12-11-2013, 10:37 AM Go to last post
  39. Residual Plots. What's going on.

    I'm running some analysis on grades in different subjects and seeing if being involved in this outside activity has an impact on grades. I am looking...

    Started by econh‎, 11-13-2015 10:07 PM
    • Replies: 1
    • Views: 1,223
    11-13-2015, 10:29 PM Go to last post
  40. Adding up the coefficients of a contemporaneous and a once-lagged variable

    Hello, I'm stuck on what's probably a trivial problem, but I can't figure out how to go about it as I am a semi-beginner, so I would really...

    Started by econlearner‎, 12-01-2012 07:46 PM
    lagged effects, regression, standard error
    • Replies: 0
    • Views: 1,662
    12-01-2012, 07:46 PM Go to last post
  41. Which test to use (f or t) to test the validity of Okun's Law

    Hello, I'm doing a simple linear regression on Okun's law and I need to do a statistical test on the validity of my model. I have two variables;...

    Started by econmajor123‎, 03-29-2015 11:59 PM
    • Replies: 0
    • Views: 923
    03-29-2015, 11:59 PM Go to last post
  42. The Dummy Variable Alternative to the Chow Test

    Hello, I'm writing a paper for econometrics. The deadline is approaching, but we have some problems with answering a question about the model that...

    Started by econometrics‎, 05-21-2015 04:34 PM
    • Replies: 0
    • Views: 3,041
    05-21-2015, 04:34 PM Go to last post
  43. Post Multiple Linear Regression With Dummy

    Hi Friends, i m writing my M.Sc Thesis. During regression i got some problem, my problem is in dummy variable, some variables are in...

    Started by Economists‎, 05-25-2011 07:52 AM
    • Replies: 1
    • Views: 2,143
    05-25-2011, 12:09 PM Go to last post
  44. proof:variance

    Hi, I want to find the variance of coeffiicient b(beta) in a regression without constant term(no intercept).I am not ]with variance algebra. I...

    Started by economit‎, 04-15-2011 08:21 AM
    • Replies: 2
    • Views: 4,835
    04-15-2011, 09:27 AM Go to last post
  45. Interpreting mean centered polynomial regression

    Hi, I'm running a simple OLS regression and want to examine non-linear effects. Therefore I have included a square term of the independent...

    Started by economix‎, 02-21-2012 02:56 PM
    • Replies: 0
    • Views: 2,967
    02-21-2012, 02:56 PM Go to last post
  46. 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...

    Started by economix‎, 03-28-2012 04:11 PM
    • Replies: 0
    • Views: 2,464
    03-28-2012, 04:11 PM Go to last post
  47. Does the standard error of the regression not need to be corrected by n?

    The standard error of an estimator is defined as the square root of the the estimator variance (or mean squared error (MSE) for unbiased estimators)....

    Started by Econstats‎, 10-07-2013 01:15 PM
    ols, standard error, sum of square type, variance
    • Replies: 2
    • Views: 1,111
    10-07-2013, 01:49 PM Go to last post
  48. My nemesis: multinomial logistic regression

    Dear all, For the final article of my PhD-thesis, I need to analyze various categorical results. My goal is to find whether a certain genotype...

    Started by ecverbeek‎, 09-30-2013 04:23 AM
    categorical data analysis, genetic, multinomial regression
    • Replies: 1
    • Views: 1,518
    09-30-2013, 08:30 AM Go to last post
  49. Basic Estimation; Should I use future data?

    Hi everyone, I'm new on the forum but had a question to ask that's related to the work I currently do. I'm wondering if we should include...

    Started by Edorian‎, 10-04-2016 06:54 PM
    • Replies: 4
    • Views: 1,320
    10-23-2016, 10:24 PM Go to last post
  50. Spend against views/day. Include days of no spend?

    Hi everyone, just looking at doing some simple linear regression and I've got views on an article. Occasionally we choose to spend a bit of money...

    Started by Edorian‎, 09-20-2017 11:41 PM
    • Replies: 0
    • Views: 140
    09-20-2017, 11:41 PM Go to last post
  51. Controlling for group differences of no interest - regression, ANCOVA, neiter?

    Have been hunting around for a while and thought I ask here: Using SPSS, I have a continuous interval DV (test performace) and one four-level...

    Started by eeeparsnip‎, 02-09-2013 11:52 AM
    • Replies: 1
    • Views: 1,772
    02-11-2013, 04:09 PM Go to last post
  52. Residual Modelling and Generating Scenarios for variables

    newbie here with a trivial question. i am trying to create scenarios on a set of macro variables. i started with creating a bayesian VAR model on...

    Started by eemrun‎, 09-20-2017 09:33 PM
    forecast, forecast error, var
    • Replies: 0
    • Views: 123
    09-20-2017, 09:33 PM Go to last post
  53. How to explain the cause of interaction variable?

    Hello, I am currently doing statistical analysis for a project, and I am stuck with the following problem. If any of you could help me with this I...

    Started by Eetupelle‎, 10-27-2012 04:07 PM
    • Replies: 0
    • Views: 1,162
    10-27-2012, 04:07 PM Go to last post
  54. first set of timeseries data to predict second set

    I posted this on another site about a month ago but got no responses, so I thought I'd post in this forum. I have timeseries data with n=100 and...

    Started by eggman2001‎, 01-26-2013 05:27 PM
    regression analysis
    • Replies: 1
    • Views: 827
    01-30-2013, 08:06 PM Go to last post
  55. Multinomial Logit vs Dummies vs Ordinal Logit

    Hello everybody, I need help with the following: I would like to conduct a survey, where my dependent variable would be a discrete, nominal...

    Started by EgZeKuToR‎, 11-18-2010 03:22 PM
    • Replies: 0
    • Views: 4,238
    11-18-2010, 03:22 PM Go to last post
  56. dummy coding help for cat variables

    I have a questionnaire with 28 items - 20 items are Likert attitude questions. In fact there are 5 main variables (constructs?) being measured by 4...

    Started by ehb23‎, 12-06-2006 07:26 PM
    • Replies: 0
    • Views: 4,089
    12-06-2006, 07:26 PM Go to last post
  57. Detecting fake results

    Hello everyone, I am currently working together with a fellow student on analyzing what factors affect profitability in banking, by using a...

    Started by Eina‎, 08-19-2016 12:07 PM
    • Replies: 5
    • Views: 1,508
    08-19-2016, 03:40 PM Go to last post
  58. Comparison of linear and power law regression models

    I'm quite a newb at statistics, with only one college-level statistics course behind me. I apologize in advance if my terminology and/or...

    Started by eis‎, 07-20-2011 01:43 PM
    comparison, geomorphology, linear, power law
    • Replies: 0
    • Views: 3,242
    07-20-2011, 01:43 PM Go to last post
  59. Logistic Regression - Interpretation issue - Odds Ratios near 1

    Hello, I have some several doubts about the logistic regression. I am working with stata in the logisitc regression and my binary input variables...

    Started by EisnerK‎, 07-19-2014 10:55 AM
    • Replies: 0
    • Views: 919
    07-19-2014, 10:55 AM Go to last post
  60. Help with First Differencing in STATA

    Hello I am a student working with STATA for the first time. I am using panel data for the English Premier League football from 2010 to 2015 and am...

    Started by Ekhanolkar18‎, 09-21-2015 05:45 PM
    first difference, panel data
    • Replies: 1
    • Views: 1,597
    09-22-2015, 02:43 AM Go to last post

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