1. 10-14-2010
    Views:
    26,696
+ 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 3898

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Multinomial logistic regression - testing assumptions

    Hello everyone, I'm trying to perform an MLR with 4 continuous predictors for one ordinal dependent. I've tested my assumptions for the MLR except...

    Started by debadog‎, Yesterday 09:55 AM
    • Replies: 1
    • Views: 76
    Yesterday, 08:25 PM Go to last post
  2. 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 :

    Started by valentina89‎, Yesterday 03:02 AM
    regresion, variance
    • Replies: 0
    • Views: 65
    Yesterday, 03:02 AM Go to last post
  3. 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...

    Started by valentina89‎, 06-23-2016 04:53 PM
    parameter estimation, regression model
    • Replies: 3
    • Views: 91
    Yesterday, 02:42 AM Go to last post
  4. 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...

    Started by fuchs09‎, 06-22-2016 08:13 AM
    • Replies: 0
    • Views: 126
    06-22-2016, 08:13 AM Go to last post
  5. Relative impact

    I circle back to this question every few years, it is becoming critical these days and my readings have not turned up a strong consensus on this...

    Started by noetsi‎, 06-20-2016 05:30 PM
    • Replies: 5
    • Views: 223
    06-21-2016, 11:47 AM Go to last post
  6. Partial effect and first-difference estimator

    Hello guys, I have a exercise for which I found an answer but i'm not sure of it. I need to estimate the demand for passenger flights in the US...

    Started by endlessend25‎, 06-21-2016 08:40 AM
    • Replies: 0
    • Views: 66
    06-21-2016, 08:40 AM Go to last post
  7. 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...

    Started by Tux‎, 06-14-2016 10:08 PM
    • Replies: 7
    • Views: 1,086
    06-20-2016, 06:48 PM Go to last post
  8. 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...

    Started by teapot‎, 06-16-2016 10:50 PM
    • Replies: 3
    • Views: 421
    06-20-2016, 12:23 PM Go to last post
  9. 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...

    Started by iceman92‎, 06-18-2016 12:13 AM
    • Replies: 2
    • Views: 214
    06-20-2016, 02:41 AM Go to last post
  10. 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...

    Started by datorres85‎, 06-18-2016 09:01 PM
    • Replies: 5
    • Views: 214
    06-19-2016, 06:58 PM Go to last post
  11. 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...

    Started by endlessend25‎, 06-18-2016 07:57 AM
    gls, ols, pooled
    • Replies: 0
    • Views: 154
    06-18-2016, 07:57 AM Go to last post
  12. Interpreting residuals

    Still getting used to interpreting large numbers of data points for regression assumptions. The attached looks fan shaped to me, which it is said...

    Started by noetsi‎, 06-09-2016 01:42 PM
    • Replies: 8
    • Views: 262
    06-17-2016, 09:31 PM Go to last post
  13. 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...

    Started by SpoodleBeast‎, 06-15-2016 03:33 PM
    • Replies: 3
    • Views: 312
    06-17-2016, 12:23 PM Go to last post
  14. 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...

    Started by Jegpeg‎, 02-25-2016 07:21 PM
    confidence interval, regression
    • Replies: 1
    • Views: 44
    06-17-2016, 11:58 AM Go to last post
  15. Regression Analysis from R output

    I need to find the joint confidence intervals Yh ± W* S(Yh) where W is the Working Hotelling Coefficient and Yh is the predicted mean response and...

    Started by absxneverdie‎, 06-17-2016 09:50 AM
    • Replies: 0
    • Views: 84
    06-17-2016, 09:50 AM Go to last post
  16. 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...

    Started by noodlee999‎, 06-16-2016 06:44 AM
    interaction, interpretation, likert, moderation, regression
    • Replies: 1
    • Views: 206
    06-17-2016, 04:42 AM Go to last post
  17. Post 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...

    Started by scooper23‎, 06-15-2016 08:31 PM
    • Replies: 1
    • Views: 126
    06-16-2016, 09:12 PM Go to last post
  18. 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...

    Started by semidevil‎, 06-13-2016 11:00 AM
    • Replies: 5
    • Views: 230
    06-14-2016, 07:18 AM Go to last post
  19. Multiple Regression Analysis - Two independent variables, one w/same values

    Post closed.

    Started by ablong‎, 06-13-2016 12:18 AM
    econometrics
    • Replies: 4
    • Views: 176
    06-13-2016, 09:23 AM Go to last post
  20. 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...

    Started by kiton‎, 06-11-2016 03:16 PM
    • Replies: 1
    • Views: 132
    06-12-2016, 11:56 PM Go to last post
  21. Smile 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...

    Started by beatoctane‎, 06-12-2016 07:22 AM
    • Replies: 1
    • Views: 113
    06-12-2016, 12:15 PM Go to last post
  22. Unhappy Help !! 3 days for my thesis ! Robustness for independent variables?

    Dear Forum, I have a huge problem. I am running a logisitc regression and for some IVs the assumption of linearity was not met. Now I need...

    Started by beatoctane‎, 06-12-2016 07:32 AM
    • Replies: 0
    • Views: 97
    06-12-2016, 07:32 AM Go to last post
  23. Leverage/outliers in large data sets

    Typically discussions of these and their impact on regression deal with individual points. Commonly I have 10-30 thousand data points and its...

    Started by noetsi‎, 06-11-2016 02:35 PM
    • Replies: 0
    • Views: 104
    06-11-2016, 02:35 PM Go to last post
  24. 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...

    Started by vt1‎, 06-11-2016 02:29 AM
    elasticity, multiple regressors, non-linear regression, stata
    • Replies: 1
    • Views: 157
    06-11-2016, 01:44 PM Go to last post
  25. Evaluating regression models help

    I'm new to regression and am needing some assistance in evaluating a model. The relationship I'm trying to obtain is the relationship between credit...

    Started by semidevil‎, 06-10-2016 03:56 PM
    • Replies: 0
    • Views: 121
    06-10-2016, 03:56 PM Go to last post
  26. 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...

    Started by Tux‎, 06-09-2016 04:56 PM
    • Replies: 0
    • Views: 98
    06-09-2016, 04:56 PM Go to last post
  27. 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...

    Started by KV Weyde‎, 06-09-2016 03:13 AM
    • Replies: 0
    • Views: 109
    06-09-2016, 03:13 AM Go to last post
  28. 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...

    Started by IoMar‎, 06-08-2016 09:09 PM
    • Replies: 0
    • Views: 117
    06-08-2016, 09:09 PM Go to last post
  29. 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 =...

    Started by Yankel‎, 06-07-2016 05:55 AM
    • Replies: 5
    • Views: 232
    06-08-2016, 09:37 AM Go to last post
  30. SQReg demonstration

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

    Started by Calion‎, 06-05-2016 11:35 AM
    • Replies: 1
    • Views: 194
    06-06-2016, 12:22 PM Go to last post
  31. 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...

    Started by XPeriment‎, 06-05-2016 10:47 PM
    • Replies: 0
    • Views: 142
    06-05-2016, 10:47 PM Go to last post
  32. 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 ...

    Started by Rene Jansen‎, 06-05-2016 08:13 AM
    continuous moderator, interaction effect, interaction term
    • Replies: 0
    • Views: 120
    06-05-2016, 08:13 AM Go to last post
  33. Question 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. ...

    Started by tony.adib1984‎, 06-05-2016 03:30 AM
    ancova, anova
    • Replies: 0
    • Views: 105
    06-05-2016, 03:30 AM Go to last post
  34. 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...

    Started by noetsi‎, 06-04-2016 05:59 PM
    • Replies: 0
    • Views: 108
    06-04-2016, 05:59 PM Go to last post
  35. 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...

    Started by Anthony_1000‎, 06-04-2016 04:05 AM
    beta weights, correlations
    • Replies: 0
    • Views: 110
    06-04-2016, 04:05 AM Go to last post
  36. Logistic regression - basics

    Dearest stat colleagues, I have some basic questions regarding logistic regression that I hope you can help me out with. I’m running a simple...

    Started by Jeff135‎, 05-31-2016 01:39 PM
    • Replies: 4
    • Views: 327
    06-01-2016, 06:48 PM Go to last post
  37. 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...

    Started by Vlajkony‎, 06-01-2016 05:29 PM
    • Replies: 1
    • Views: 137
    06-01-2016, 05:56 PM Go to last post
  38. 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, 05-29-2016 11:04 PM
    • Replies: 8
    • Views: 254
    06-01-2016, 07:44 AM Go to last post
  39. 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, 05-29-2016 08:52 AM
    fixed regressor, linear regression, stochastic regressor
    • Replies: 3
    • Views: 276
    05-30-2016, 09:16 PM Go to last post
  40. 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...

    Started by KV Weyde‎, 05-30-2016 04:49 PM
    mixed models, stata, time-varying covariate
    • Replies: 0
    • Views: 157
    05-30-2016, 04:49 PM Go to last post
  41. 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,...

    Started by Martin Marko‎, 05-30-2016 02:52 PM
    • Replies: 0
    • Views: 98
    05-30-2016, 02:52 PM Go to last post
  42. 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: 189
    05-30-2016, 07:05 AM Go to last post
  43. 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: 242
    05-29-2016, 11:33 AM Go to last post
  44. 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: 232
    05-26-2016, 01:53 PM Go to last post
  45. 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: 405
    05-26-2016, 01:46 PM Go to last post
  46. 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: 121
    05-26-2016, 01:18 PM Go to last post
  47. 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: 160
    05-25-2016, 03:38 PM Go to last post
  48. 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: 141
    05-25-2016, 12:19 PM Go to last post
  49. 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: 116
    05-25-2016, 11:32 AM Go to last post
  50. 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: 111
    05-25-2016, 07:38 AM Go to last post
  51. 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: 88
    05-25-2016, 06:15 AM Go to last post
  52. 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: 146
    05-23-2016, 05:30 AM Go to last post
  53. 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: 146
    05-22-2016, 01:24 PM Go to last post
  54. 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: 148
    05-21-2016, 11:42 AM Go to last post
  55. 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: 169
    05-20-2016, 12:41 PM Go to last post
  56. 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: 132
    05-20-2016, 09:10 AM Go to last post
  57. 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: 204
    05-18-2016, 01:14 PM Go to last post
  58. 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: 304
    05-18-2016, 08:08 AM Go to last post
  59. 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: 180
    05-17-2016, 07:19 AM Go to last post
  60. 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: 215
    05-16-2016, 08:36 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