1. 10-14-2010
    Views:
    26,153
+ Post New Thread
Page 1 of 65 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 51 ... LastLast
Threads 1 to 60 of 3859

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. 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...

    Started by LizBeth‎, Yesterday 11:04 PM
    • Replies: 6
    • Views: 96
    Today, 09:03 AM Go to last post
  2. 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...

    Started by Zore‎, 05-25-2016 08:36 PM
    • Replies: 3
    • Views: 109
    Today, 07:05 AM Go to last post
  3. 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...

    Started by kzhou‎, Yesterday 08:52 AM
    fixed regressor, linear regression, stochastic regressor
    • Replies: 2
    • Views: 121
    Today, 04:14 AM Go to last post
  4. 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...

    Started by noetsi‎, 05-28-2016 01:10 PM
    • Replies: 5
    • Views: 148
    Yesterday, 11:33 AM Go to last post
  5. Optimal cut-off from ROC

    Hello, as you know, ROC curve is not depend of the cut-off. But how can I get an "optimal" cut-off from ROC curve? Example: I have a database...

    Started by tradermartin‎, 05-25-2016 03:34 AM
    • Replies: 4
    • Views: 150
    05-26-2016, 01:53 PM Go to last post
  6. Angry 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...

    Started by beatoctane‎, 05-22-2016 05:18 AM
    • Replies: 10
    • Views: 283
    05-26-2016, 01:46 PM Go to last post
  7. 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...

    Started by noetsi‎, 05-26-2016 09:01 AM
    • Replies: 1
    • Views: 66
    05-26-2016, 01:18 PM Go to last post
  8. 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...

    Started by carswa‎, 05-25-2016 03:38 PM
    • Replies: 0
    • Views: 98
    05-25-2016, 03:38 PM Go to last post
  9. 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,...

    Started by JeremyPiven‎, 05-25-2016 12:19 PM
    aggregation, multivariate
    • Replies: 0
    • Views: 87
    05-25-2016, 12:19 PM Go to last post
  10. Logistic regression with repeted measures

    Hi, I'm new in logistic analysis. I have binary outcome (energy...) day 1,2 and 3 (yes/no) for each patient (id). I would like to test whether...

    Started by Aleco‎, 05-25-2016 11:32 AM
    • Replies: 0
    • Views: 61
    05-25-2016, 11:32 AM Go to last post
  11. 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...

    Started by abced‎, 05-25-2016 07:38 AM
    • Replies: 0
    • Views: 61
    05-25-2016, 07:38 AM Go to last post
  12. 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...

    Started by TiUResearch‎, 05-25-2016 06:15 AM
    ols interdependence
    • Replies: 0
    • Views: 36
    05-25-2016, 06:15 AM Go to last post
  13. Question Dimson method - t-statistics on summarised betas ?

    Hi, Currently trying to apply the Dimson method(Dimson 1979. Link provided below), on the market model due to infrequent trading. Our...

    Started by Sigve‎, 05-23-2016 05:30 AM
    • Replies: 0
    • Views: 95
    05-23-2016, 05:30 AM Go to last post
  14. R help with Binary log reg

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

    Started by ling5900‎, 05-22-2016 01:24 PM
    • Replies: 0
    • Views: 88
    05-22-2016, 01:24 PM Go to last post
  15. 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...

    Started by choco21lit‎, 05-21-2016 11:42 AM
    • Replies: 0
    • Views: 84
    05-21-2016, 11:42 AM Go to last post
  16. 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...

    Started by JacobPedersen‎, 05-20-2016 12:41 PM
    blundell-bond, coefficicent, difference gmm, interpreting results, proportion
    • Replies: 0
    • Views: 99
    05-20-2016, 12:41 PM Go to last post
  17. Alcoolimetric Table

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

    Started by crimelist‎, 05-20-2016 09:10 AM
    • Replies: 0
    • Views: 82
    05-20-2016, 09:10 AM Go to last post
  18. 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...

    Started by factorregression‎, 05-18-2016 01:14 PM
    logisitic regression
    • Replies: 0
    • Views: 142
    05-18-2016, 01:14 PM Go to last post
  19. 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...

    Started by agp‎, 05-04-2016 02:55 PM
    • Replies: 6
    • Views: 238
    05-18-2016, 08:08 AM Go to last post
  20. 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...

    Started by abced‎, 05-17-2016 07:19 AM
    • Replies: 0
    • Views: 118
    05-17-2016, 07:19 AM Go to last post
  21. 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...

    Started by Adam35‎, 05-16-2016 06:46 AM
    • Replies: 2
    • Views: 144
    05-16-2016, 08:36 AM Go to last post
  22. Question 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)...

    Started by Pernelle‎, 05-15-2016 09:50 AM
    dummy, regression, unequal sample size
    • Replies: 0
    • Views: 93
    05-15-2016, 09:50 AM Go to last post
  23. 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...

    Started by noetsi‎, 05-14-2016 02:06 PM
    • Replies: 1
    • Views: 111
    05-15-2016, 08:58 AM Go to last post
  24. Two way repeated measures with zeros, non integer values, and non-normal distribution

    I would really appreciate some help with a few models I am trying to run. Essentially my data looks at how often a subject was visited depending on...

    Started by choppedpete‎, 05-12-2016 05:48 AM
    glmer, lme4, lmer, repeated measures
    • Replies: 1
    • Views: 122
    05-12-2016, 01:48 PM Go to last post
  25. coding - one categorical vs multiple dummy

    Hi, Most things I read seem to suggest that when you have a categorical predictor in a regression analysis you should create k-1 dummy variables,...

    Started by pgseye‎, 05-09-2016 06:40 PM
    • Replies: 2
    • Views: 203
    05-10-2016, 03:57 PM Go to last post
  26. dummy regression with polytomous variable

    Hello, I want to perform a linear regression analysis. My DV is continuous (score between 0 and 6), and my predictors are: - one dichotomous...

    Started by Pernelle‎, 05-05-2016 03:03 PM
    • Replies: 1
    • Views: 166
    05-10-2016, 02:35 PM Go to last post
  27. Interaction concept put into plain English

    Hello, as you may know, I am not a statistician, rather a 'consumer' of statistics. When I study something new, or when I present statistics to a...

    Started by gianmarco‎, 05-10-2016 12:47 AM
    • Replies: 2
    • Views: 156
    05-10-2016, 07:42 AM Go to last post
  28. Examining interaction in an exponential (Poisson) model with standard and robust SE's

    Hello dear forum members! For the purpose of my study I am using an exponential Poisson model with fixed-effects specification. In simple: y =...

    Started by kiton‎, 05-09-2016 10:33 AM
    • Replies: 3
    • Views: 177
    05-09-2016, 03:59 PM Go to last post
  29. Model fit statistic for population-average specification

    Hello everybody! For the purpose of my study I am using an exponential Poisson model with population-averaged (PA) effects, as implemented in...

    Started by kiton‎, 05-09-2016 09:44 AM
    fit statistics, log likelihood, poisson
    • Replies: 0
    • Views: 61
    05-09-2016, 09:44 AM Go to last post
  30. Using Bonferonni in Multiple Regression

    Hi all, I'm currently working on a data-set involving several continuous independent variables and i'm wondering how the Bonferonni correction can...

    Started by benjamine85‎, 05-09-2016 02:56 AM
    • Replies: 1
    • Views: 117
    05-09-2016, 05:37 AM Go to last post
  31. Multiple regression analysis - Linearity/homoscedasticity

    Hello, I am currently having trouble determining if my predictors show enough linearity to be used in a standard multiple regression analysis, and...

    Started by pussel81‎, 04-27-2016 10:09 AM
    homoscedasticity, linearity, multiple regression
    • Replies: 2
    • Views: 92
    05-08-2016, 08:21 PM Go to last post
  32. Help for simple regression

    My research question is: "Can we say that the number of hours of Internet use increases with Internet purchase?" with the variables: - Use of...

    Started by chamarique‎, 05-07-2016 10:57 AM
    independent variable, regression
    • Replies: 3
    • Views: 203
    05-08-2016, 06:34 PM Go to last post
  33. Imputing Missing Values using Regression

    I have a table of 4 variables where some of the data is missing and I need to impute the missing values, my table is as follows: X1 X2 X3...

    Started by Mid‎, 05-06-2016 03:24 PM
    imputation, regression, study
    • Replies: 3
    • Views: 156
    05-06-2016, 05:21 PM Go to last post
  34. Exclamation Significant two-way interaction, but simple slopes are n.s.

    Hi everyone, I've seen similar questions like mine posted here before, but none of the replies were ever clear enough, so here's my Q. Thanks in...

    Started by tophbeifong‎, 05-06-2016 10:20 AM
    • Replies: 1
    • Views: 136
    05-06-2016, 12:10 PM Go to last post
  35. How to select the Independent Variables for modelling given 100 variable??

    Let's say i have selected my DV and i have 100 variables from which i have to choose my IDVs for the regression model(say multiple regression). ...

    Started by vikash_124124‎, 05-06-2016 04:19 AM
    • Replies: 0
    • Views: 120
    05-06-2016, 04:19 AM Go to last post
  36. Multiparameter fittting - confidence intervals criterion

    I made a multiparameter fittting (7 adjustment parameters, 45 experimental points). I obtained enormous confidence intervals for 95%. There is a...

    Started by James27‎, 05-05-2016 11:12 PM
    • Replies: 0
    • Views: 139
    05-05-2016, 11:12 PM Go to last post
  37. Exclamation Please anyone help due monday

    Hey guys, Im doing a mathematics degree and have this stats subject and honestly have no clue whatsoever on how to do anything in this class. I have...

    Started by disdat11‎, 05-04-2016 10:13 AM
    • Replies: 2
    • Views: 150
    05-05-2016, 02:23 PM Go to last post
  38. normality assumption: data itself, or residuals ?

    I have a question about the normality assumption, in regression, ANOVA, and T-test: The normalization assumption is for the original data and...

    Started by fengyuwuzu‎, 05-03-2016 10:36 PM
    • Replies: 3
    • Views: 297
    05-04-2016, 11:21 PM Go to last post
  39. Stepwise Regression Limitations Explanation

    I've recently been working on building a model and have come across a number of different approaches. I'm particularly interested in the limitations...

    Started by Phishypenguin‎, 05-03-2016 04:34 AM
    pvalues, regression, stepwise
    • Replies: 12
    • Views: 352
    05-04-2016, 06:39 PM Go to last post
  40. Do I have a non-linear regression?

    Hello everyone, I want to start by saying that I don't have too much experience working with continuous dependent variables. I have worked more...

    Started by Marvin85‎, 02-26-2016 02:22 PM
    non-linear regression, predict, predicted y terms
    • Replies: 4
    • Views: 463
    05-04-2016, 02:19 AM Go to last post
  41. Quick Mediation Analysis Question

    Hi Everyone, I have a quick question about interpreting a mediation analysis from Hayes' PROCESS macro. After running a mediation analysis, I...

    Started by jricci‎, 04-08-2016 07:03 PM
    mediation, mediation analysis
    • Replies: 2
    • Views: 477
    05-04-2016, 02:01 AM Go to last post
  42. Index & Dummies - Italian Mafia

    Hey. i am working on a paper about the mafia in italy. my equation: Y=beta0 + beta1*MPI + beta2*Controls Y = Response Rate in a given city...

    Started by hurri‎, 05-03-2016 01:11 PM
    • Replies: 0
    • Views: 120
    05-03-2016, 01:11 PM Go to last post
  43. Interpreting Odds Ratio after Weight of evidence transformation

    I am doing a logistic modeling with several continuous variables and binary outcome variable. 1- event 0-non event. I did the initial modeling with...

    Started by bssekar‎, 05-02-2016 08:30 PM
    logistic regression, odds ratio, weight of evidence
    • Replies: 2
    • Views: 133
    05-03-2016, 10:16 AM Go to last post
  44. Combining Two Samples (one w/ intervention and one w/ out intervention)

    I have a local dataset with a continuous predictor and binary outcome. I will use logistic regression to predict the binary outcome with the...

    Started by hlsmith‎, 05-02-2016 03:50 PM
    • Replies: 7
    • Views: 229
    05-02-2016, 10:01 PM Go to last post
  45. testing seemingly unrelated regressions assumptions in R

    Hi there! I have a fitted SUR model and want to test if the assumptions for SUR (not the ordinary linear assumptions, since i've already checke...

    Started by JagarSUR‎, 05-02-2016 01:00 PM
    • Replies: 1
    • Views: 145
    05-02-2016, 02:54 PM Go to last post
  46. Cox Regression - time dependent

    Dear all, I have a question regarding the cox regression. I have conducted a dataset with Top50 Boxoffice Data for the U.S market. It contains...

    Started by martinki‎, 05-02-2016 07:25 AM
    • Replies: 3
    • Views: 173
    05-02-2016, 09:45 AM Go to last post
  47. Types of regression: Article

    Well a page, but I was not sure what to call this :p By no means complete or even close but interesting. There are hundreds of types of...

    Started by noetsi‎, 05-02-2016 08:49 AM
    • Replies: 0
    • Views: 117
    05-02-2016, 08:49 AM Go to last post
  48. Fill in multiple missing values given correlation matrix

    I have a correlation matrix: mat <- round(cor(mtcars), 2) mpg cyl disp hp drat wt qsec vs am gear carb mpg 1.00...

    Started by trinker‎, 04-26-2016 09:51 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 401
    05-01-2016, 09:39 PM Go to last post
  49. Post Linear Regression Interpretation

    Hi there, I am running a Multiple Linear Regression analysis. I have 2 predictor variables (self-worth and self-acceptance) and 1 criterion...

    Started by vanessak93‎, 05-01-2016 08:21 PM
    interpretation, linear regression, multiple regression, psychology statistics, regression
    • Replies: 4
    • Views: 182
    05-01-2016, 08:38 PM Go to last post
  50. Multinomial logit / time-series fixed effects / multivariate regression: Which one?

    As part of a larger study, we have collected a wealth of data on the interactions customers engage in when buying and using a service. ...

    Started by Niklas B.‎, 05-01-2016 05:50 AM
    multinomial logit, multivariate regression, time-series fixed effects
    • Replies: 0
    • Views: 141
    05-01-2016, 05:50 AM Go to last post
  51. Logistic reg w/ ratio as predictor

    Is there anything I need to know when using a ratio as an independent variable in the model. Is it better to use log(ratio) ? Not an easy web...

    Started by hlsmith‎, 04-30-2016 01:34 PM
    • Replies: 1
    • Views: 153
    04-30-2016, 02:22 PM Go to last post
  52. Question [Logistic Analysis] How does SPSS calculate the 0.5 Cut-Point?

    I am interested in determining the classification accuracy of an outcome (binary DV - whether a participant has capacity or not to make a legal...

    Started by szuscak‎, 04-29-2016 05:25 PM
    cut-point, logistic regression
    • Replies: 0
    • Views: 125
    04-29-2016, 05:25 PM Go to last post
  53. Multivariate analysis, canonical correlation

    Hello, I conducted an experiment with 18 subjects who participated in a simulator experiment. Each participant had to perform a task with 6...

    Started by aapje123‎, 04-28-2016 09:08 AM
    • Replies: 0
    • Views: 161
    04-28-2016, 09:08 AM Go to last post
  54. Thumbs down Interpretation of coefficients, dependent variable in (%), independent variable in ln

    Hi, I have a very simple question. I have the following equation. My dependent variable is CRES which is the share of renewables in a country's...

    Started by Rex‎, 04-28-2016 07:07 AM
    dependent var, independent variable, log linear, regression coefficent
    • Replies: 0
    • Views: 133
    04-28-2016, 07:07 AM Go to last post
  55. Problem with replicating a paper

    I'm having some trouble at replicating this paper (text here: http://www.michiganjb.org/issues/52/text52c.pdf) The paper wants to assess the economic...

    Started by Luc.a‎, 04-28-2016 04:29 AM
    • Replies: 0
    • Views: 110
    04-28-2016, 04:29 AM Go to last post
  56. Writing down firth logistic regression equation

    Hi, This is a really simple question that I'm sort of embarrassed I can't answer - how would you write down a firth logistic regression? Now to...

    Started by Wendero‎, 04-25-2016 10:01 PM
    • Replies: 6
    • Views: 224
    04-27-2016, 12:59 PM Go to last post
  57. 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)...

    Started by OlhDt_semarang‎, 04-27-2016 05:16 AM
    • Replies: 0
    • Views: 104
    04-27-2016, 05:16 AM Go to last post
  58. Regression with stratified data: What to do?

    Hi, I want to model a bird population in a country via regression analysis (Poisson regression due to count data). In order to optimize the...

    Started by mmercker‎, 04-27-2016 03:39 AM
    regression analysis, stratification, stratified sampling, weights
    • Replies: 0
    • Views: 98
    04-27-2016, 03:39 AM Go to last post
  59. Minimum number of cases for the reference level

    Before I ask this I have the true population so I am not sure this issue even applies :p Is there a minimum number of cases the reference level...

    Started by noetsi‎, 04-25-2016 01:22 PM
    • Replies: 7
    • Views: 248
    04-26-2016, 03:59 PM Go to last post
  60. Regression to compare mean differences?

    Hi everyone, I am doing a project with two different groups (clinical and control). I want to compare their scores on a couple of variables (ex:...

    Started by DefenceDoom‎, 04-25-2016 05:35 PM
    ancova, mean differences, regression
    • Replies: 1
    • Views: 172
    04-26-2016, 06:23 AM Go to last post

+ Post New Thread
Page 1 of 65 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 51 ... LastLast

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 unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 300 views
Hot thread with unread posts
More than 15 replies or 300 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
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






Advertise on Talk Stats