1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    1,876
+ Post New Thread
Page 18 of 73 FirstFirst 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 26 27 28 29 30 31 32 33 34 35 36 37 68 ... LastLast
Threads 1021 to 1080 of 4336

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Regression suitability question

    Hello, Could anyone help me out with some pointers please? I'm looking to use some statistics to help predict student % school absence rates...

    Started by orangecrush‎, 11-13-2011 04:42 AM
    • Replies: 4
    • Views: 3,911
    11-13-2011, 06:00 PM Go to last post
  2. Regression equation

    my question is where did 105.9 and 13.1 come from??? and Where did the R 0.814 come from??

    Started by newbiestats‎, 11-14-2011 10:02 PM
    • Replies: 1
    • Views: 2,421
    11-14-2011, 10:43 PM Go to last post
  3. Logistic Regression: model selection and interpretation

    Good Day!! Hi I am working for the first time with logistic regressions and I have some doubts about the model selection and the result that is...

    Started by caelrato‎, 11-16-2011 01:03 PM
    • Replies: 3
    • Views: 5,438
    11-16-2011, 03:17 PM Go to last post
  4. how to calculate the significance of an R2 increase (based only on results in paper)

    Recently I have come across several articles that report OLS results of models with increasing numbers of variables. In the articles the R2 and...

    Started by PeterV‎, 11-16-2011 04:35 AM
    2 Pages
    1 2
    fit summary, model comparison, model selection, regression, significance of reg
    • Replies: 19
    • Views: 21,766
    11-17-2011, 09:27 AM Go to last post
  5. Question about coefficient change

    Hi guys, I'm completely stuck with my statistical analysis so I was hoping you guys could help me out. This is the case: I did a research...

    Started by Stomkommer‎, 11-12-2011 10:17 AM
    • Replies: 2
    • Views: 2,284
    11-17-2011, 10:33 PM Go to last post
  6. How to credibly downweight imputed values?

    Hi All, First post here. I've googled all around trying to find an answer to my question, but I can't seem to find one, and pencil and paper isn't...

    Started by andrewcd‎, 11-17-2011 10:18 PM
    imputed values, weighted least squares
    • Replies: 1
    • Views: 2,570
    11-17-2011, 10:38 PM Go to last post
  7. multigroup regression and interaction effects

    Goal: Cross cultural research to validate the EAS measurement tool (see below). Two tools: EAS with 7 descriptive dimensions, each dimension...

    Started by pound puppy‎, 11-15-2011 11:44 PM
    • Replies: 1
    • Views: 1,943
    11-17-2011, 10:51 PM Go to last post
  8. Regression prediction question

    My question is how do we get the 16, the one I have circled.

    Started by newbiestats‎, 11-18-2011 04:52 PM
    • Replies: 2
    • Views: 2,556
    11-18-2011, 05:18 PM Go to last post
  9. Cross sectional Regression Analysis

    Hi, I am a currently doing my coursework on the factors impacting on the dividend policy in the financial sector in Mauritius. The problem is that...

    Started by Galvin‎, 11-19-2011 01:17 PM
    • Replies: 1
    • Views: 2,452
    11-19-2011, 01:23 PM Go to last post
  10. Categorical variables and interaction in MLR

    Would it be correct, to add in multiple linear regrression interaction between two categorical variables (i transformed them - dummy variavles) with...

    Started by Myron Tsisinskiy‎, 11-18-2011 04:40 AM
    categorical vairable, interaction term, multiple regression
    • Replies: 9
    • Views: 3,365
    11-19-2011, 04:14 PM Go to last post
  11. Moderated Multiple Regression versus Factorial ANOVA.

    I am analyzing an interaction effect between two continuous independent variables (Z and X) on a continuous dependent variable (Y). I have...

    Started by Holmes‎, 11-19-2011 04:30 AM
    factorial anova, interaction term, moderated regression
    • Replies: 4
    • Views: 4,622
    11-20-2011, 07:23 AM Go to last post
  12. Testing the significance of the variance component of an itneraction effect...

    hello peeps. so this is a question that i think anyone who works with R fitting mixed-effects linear models will find useful... i dont work around...

    Started by spunky‎, 11-20-2011 03:52 PM
    • Replies: 0
    • Views: 2,354
    11-20-2011, 03:52 PM Go to last post
  13. binary logistic regression output

    Hi there, running up against a brick wall with this. Please help! Using binary logistic regression in SPSS. For my dependent variable I have 200...

    Started by scotandrew‎, 11-21-2011 06:28 PM
    • Replies: 2
    • Views: 2,002
    11-22-2011, 11:20 AM Go to last post
  14. application of regression model - which one to choose? please help

    Hi all, for my master thesis I would like to investigate the human impact on behavior of sea lions. I have 3 different defined response variables...

    Started by KathiF‎, 11-17-2011 11:34 AM
    • Replies: 10
    • Views: 3,163
    11-22-2011, 02:03 PM Go to last post
  15. Beginner question

    When I do a regression using monthly returns to get a beta using the CAPM, are the alpha and beta values also monthly? Thanks!

    Started by allan89a‎, 11-22-2011 03:01 PM
    • Replies: 1
    • Views: 1,870
    11-23-2011, 04:06 AM Go to last post
  16. Seasonality and dummy variables

    Hey, I've got this econometric problem I could use some help with. I'm looking for day of the week effects in a certain index. I'm using a regression...

    Started by Sands‎, 11-22-2011 03:35 AM
    • Replies: 11
    • Views: 8,535
    11-23-2011, 05:30 AM Go to last post
  17. Multilevel modeling with poission regression

    Hi, I am using the software package HLM to perform a poisson regression on categorical data that is clustered. The responses are ranked in order...

    Started by ifacto‎, 11-24-2011 03:42 AM
    • Replies: 0
    • Views: 1,775
    11-24-2011, 03:42 AM Go to last post
  18. Basic multiple regression question

    Sorry, should've probably specified linear regression. I was given a data and ran a proc corr on it in sas. As you can see, x1 through x5...

    Started by downthesun01‎, 11-16-2011 01:00 AM
    • Replies: 7
    • Views: 2,301
    11-25-2011, 05:22 AM Go to last post
  19. confidence band from se in quadratic regression

    Hi, I have the following problem: I want to draw confidence band for a quadratic regression I have the model: y=a+b*x+c*x^2, i have...

    Started by pnouvellet‎, 11-25-2011 07:29 AM
    confidence interval, regression, standard error
    • Replies: 0
    • Views: 1,477
    11-25-2011, 07:29 AM Go to last post
  20. Regression analysis

    Hi I'm currently doing a case study for school and I'm just wondering if I'm on the right track. I'm doing regression analysis on what determines the...

    Started by Kokujin‎, 11-23-2011 11:57 PM
    • Replies: 4
    • Views: 1,979
    11-25-2011, 11:16 PM Go to last post
  21. linear regression -- the regressor X is random

    Hi, I am studying linear regression from the book titled, "Introduction to Linear Regression" by Montgomery. I am reviewing some previous...

    Started by foobar123‎, 11-26-2011 02:30 AM
    • Replies: 0
    • Views: 3,944
    11-26-2011, 02:30 AM Go to last post
  22. Linear regression on seemingly linear data, but residual plot is a parabola?

    So I did a linear regression on x y data that seemed very linear, but the residual plot was a a clear parabola. Next I did a 2nd order polynomial...

    Started by saveourpens‎, 11-26-2011 02:32 PM
    • Replies: 2
    • Views: 6,087
    11-27-2011, 05:56 AM Go to last post
  23. Possible to do a post hoc correction?

    I am trying to understand a multiple regression problem I have. The problem is that one of my independent variables has a bivariate correlation to...

    Started by MissEvil‎, 11-27-2011 08:23 AM
    • Replies: 1
    • Views: 2,152
    11-27-2011, 12:04 PM Go to last post
  24. standardized beta that suddenly rise very high

    Hi guys... i need help here... i don't understand why one of my variable (old_adult) standardized beta can increase from .144 which is not...

    Started by psychology_student‎, 11-27-2011 11:29 PM
    • Replies: 0
    • Views: 1,884
    11-27-2011, 11:29 PM Go to last post
  25. Smile Calculating Covariance Matrix (Regression Analysis)

    Im having difficulty in trying to compute the Covariance Matrix. I think Im missing out an equation to be honest. Here's what I've been given in the...

    Started by garunas‎, 11-27-2011 01:19 PM
    covariance matrix, least squares, regression analysis, variance
    • Replies: 4
    • Views: 6,915
    11-28-2011, 04:36 PM Go to last post
  26. Logit versus Probit versus Linear Probability Coefficients

    Hi all, Fairly simple question... What exactly are the meanings of the coefficients in logit, probit, and linear probability models? I'm staring...

    Started by PoliticalEconomist‎, 11-27-2011 06:08 PM
    • Replies: 2
    • Views: 3,935
    11-28-2011, 04:49 PM Go to last post
  27. Durbin-Watson table

    Hi.. Anyone here know how to determine whether we violated the assumption for durbin watson test... i found the table but the max sample size is...

    Started by psychology_student‎, 11-28-2011 09:17 AM
    • Replies: 3
    • Views: 4,939
    11-29-2011, 11:11 AM Go to last post
  28. Rm anova ?

    Hi guys, I need a confirmation... I have a research containing 4 groups, 3 treatments and a control group. For every subject, there are...

    Started by Yankel‎, 11-29-2011 01:51 PM
    • Replies: 0
    • Views: 1,615
    11-29-2011, 01:51 PM Go to last post
  29. Panel Data Analysis, Help Urgently Needed! Fixed & Random effects, Fama MacBeth etc.

    Hi, I have the following panel dataset: 11 years of annual data with a total of 250 observations. The panel is highly unbalanced, in the beginning...

    Started by Sascha93‎, 11-29-2011 04:34 PM
    fama macbeth regression, fixed effects, panel data, random coefficient, random effects
    • Replies: 0
    • Views: 6,125
    11-29-2011, 04:34 PM Go to last post
  30. Assumptions of logistic regression

    Anyone know a good authoritative source for the assumptions of logistic regression? They differ obviously from OLS and I have not found a good source...

    Started by noetsi‎, 11-22-2011 01:43 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 47
    • Views: 81,414
    11-29-2011, 07:40 PM Go to last post
  31. log-transformation and interaction effects

    If I log-transform either one of my predictor variables or my outcome variable, can that change the significance of any of my interaction terms? ...

    Started by bitethemuffin‎, 11-29-2011 07:51 PM
    • Replies: 0
    • Views: 3,899
    11-29-2011, 07:51 PM Go to last post
  32. Displaying multiple regression

    Dear stats experts - I wondering if it's possible to display a multiple regression with three predictors that are all significant on a graph. ...

    Started by antonzzz‎, 11-30-2011 06:50 AM
    • Replies: 0
    • Views: 1,629
    11-30-2011, 06:50 AM Go to last post
  33. Interpreting Interaction Terms

    I am working on a regression analysis problem where we have to see if there is an interaction between two of the independent (X) variables. I run...

    Started by _IT_Not_Stats_‎, 11-29-2011 04:00 PM
    • Replies: 3
    • Views: 1,966
    11-30-2011, 12:26 PM Go to last post
  34. Observing relationships through regression.

    Hi all - I hope this is in the right sub-forum... I have a question regarding regression and working out the relationship between two variables....

    Started by _Alex_‎, 11-29-2011 12:24 PM
    • Replies: 8
    • Views: 2,810
    11-30-2011, 04:37 PM Go to last post
  35. The Mediation Analysis by Regression

    Hi All, Does Anyone Know a good reference to conduct the Mediation Analysis by Regression by SPSS? Many thanks, Gh

    Started by ghada8888‎, 11-30-2011 01:48 PM
    • Replies: 4
    • Views: 3,096
    12-01-2011, 12:13 PM Go to last post
  36. Beta positive - Slope of best fit line negative

    hello, scratching my head over some regression output i'm getting from Excel. as you can see from below, the best fit line on my indeptendent...

    Started by flatliner‎, 11-29-2011 07:03 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 10,048
    12-01-2011, 03:20 PM Go to last post
  37. General Linear Model issues.

    Again, I hope this is in the correct sub-forum. Having had some very useful advice for my first issue, I thought I might post my second problem, this...

    Started by _Alex_‎, 11-30-2011 05:29 PM
    • Replies: 2
    • Views: 5,830
    12-01-2011, 07:32 PM Go to last post
  38. Proportion of positive reponses in a logistic regression

    Hello, When we do a logistic regression to predict a dichotomous variable (yes/no), should there be some minimum proportion of yes to no responses...

    Started by Ravi Kulkarni‎, 12-02-2011 05:23 AM
    logistic regression
    • Replies: 3
    • Views: 2,644
    12-02-2011, 06:30 AM Go to last post
  39. linear regression where the indepedant variables are parameters

    I have a single independent variable, X, in the following regression model: Y = \beta_0 + \beta_1 * X + e where X = mean(X_xy) X_xy is a...

    Started by owl99‎, 12-02-2011 10:29 AM
    • Replies: 0
    • Views: 1,824
    12-02-2011, 10:29 AM Go to last post
  40. Model evaluation in logistic regression

    I am doing the analysis in very recent forms of SAS (if any use that here). I ran a logistic model with a huge number of data points (some 11,000)....

    Started by noetsi‎, 11-01-2011 06:41 PM
    • Replies: 6
    • Views: 6,332
    12-02-2011, 04:14 PM Go to last post
  41. Question about a question

    Thanks for the help!

    Started by lancearmstrong1313‎, 12-02-2011 11:06 PM
    • Replies: 3
    • Views: 2,821
    12-03-2011, 09:59 AM Go to last post
  42. Can I trust a regression if variables are autocorrelated?

    Hello everyone! Both variables (dependent and independent) show autocorrelation effects. When I run regression and estimate the residuals, they...

    Started by Mistermishka‎, 12-03-2011 01:48 PM
    autocorrelation, regression analysis, t-statistic
    • Replies: 6
    • Views: 2,752
    12-04-2011, 10:59 AM Go to last post
  43. Advice for random effects with interaction term?

    I have a continuous dependent variable A and a continuous independent variable B. I measured these variables in 12 locations that can be separated...

    Started by sovay‎, 12-05-2011 12:26 AM
    • Replies: 1
    • Views: 3,776
    12-05-2011, 03:26 PM Go to last post
  44. compare Spearman's correlations

    Dear all, I performed several Spearman's correlation tests between the same independent variable and different dependent ones. All the...

    Started by marco77‎, 12-05-2011 10:29 AM
    • Replies: 2
    • Views: 3,292
    12-06-2011, 05:07 AM Go to last post
  45. Which method to compare models with truth?

    Hi all, Edit: First I must say sorry for the ridiculous spelling mistake in the title! I wish I could go back and change 'two' to 'to'. I have...

    Started by seanelvidge‎, 12-06-2011 10:37 AM
    analysis, comparison, models
    • Replies: 4
    • Views: 2,079
    12-06-2011, 11:49 AM Go to last post
  46. negative binomial regression

    hello all, i'm looking for some articles regarding negative binomial regression. i don't know much about general linear models or logistic...

    Started by RefUser‎, 12-06-2011 01:17 PM
    • Replies: 2
    • Views: 2,398
    12-06-2011, 02:03 PM Go to last post
  47. GEE and sample size

    Hello, I'd like to know how to correct for small sample size in GEE.

    Started by Itddoo‎, 12-07-2011 02:48 PM
    • Replies: 1
    • Views: 2,941
    12-07-2011, 03:44 PM Go to last post
  48. Ordinal Logistic vs. Multinomial Regression and program

    I am trying to conceptually understand when I would use ordinal logistic vs. multinomial. It seems to me that if there is an order to the categories...

    Started by zeloc‎, 12-07-2011 01:56 PM
    • Replies: 2
    • Views: 2,824
    12-07-2011, 08:04 PM Go to last post
  49. Pearson's correlation coefficient (Excel help)

    Hello, new user here :) I have created distance matrices for two data sets (a ligand and it's receptor) and I now must compute the linear...

    Started by Ashmore‎, 12-03-2011 07:28 AM
    • Replies: 1
    • Views: 2,082
    12-07-2011, 08:10 PM Go to last post
  50. question about Logistic regression

    Hi, I've wondered about logistic analysis. In glm(generalized linear model), link function value of mean = linear predictot. So, classical model's...

    Started by subspaces‎, 12-08-2011 02:26 AM
    • Replies: 2
    • Views: 2,060
    12-08-2011, 07:50 AM Go to last post
  51. Testing a predictive algorithm

    I have an algorithm that takes text data and predicts polarity of the data between -1 and 1. I want to test this algorithm for it's ability to...

    Started by trinker‎, 12-07-2011 09:26 PM
    • Replies: 7
    • Views: 2,900
    12-08-2011, 07:38 PM Go to last post
  52. Endogenous variable

    Hi, I am implementing a two-stage OLS regression to account for the endogeneity of a variable. My instruments are time invariant. However, the...

    Started by tiab2005‎, 12-07-2011 05:40 PM
    endogeneity, instrumental variables, two-stage ols
    • Replies: 1
    • Views: 1,450
    12-10-2011, 12:30 PM Go to last post
  53. How to pick the better model parameter in this example?

    Let's say the model is fixed (e.g., a linear model where 5 coefficients need to be fit). Denote the parameter (coefficient) vector as \beta. ...

    Started by ColdKing‎, 12-10-2011 12:10 PM
    data, model selection, regression
    • Replies: 4
    • Views: 1,832
    12-10-2011, 03:07 PM Go to last post
  54. Multiple regression - text dropped an independent variable without explanation

    Hi, My text provided many independent variables including 4 departments. But in the actual regression, they excluded one department without...

    Started by pcampin‎, 12-10-2011 11:34 AM
    • Replies: 2
    • Views: 1,367
    12-10-2011, 05:14 PM Go to last post
  55. Can RSS be decreased to 0 when dimension increases?

    Let's consider a simple example: I have two attributes X1 and X2, each has n values; response variable is Y. Using the two attributes together to...

    Started by ColdKing‎, 12-10-2011 12:59 PM
    dimension, regression, rss
    • Replies: 7
    • Views: 3,338
    12-11-2011, 01:07 AM Go to last post
  56. Linear Regression: Mean square error (MSE) ?

    Simple linear regression model: Y_i = β0 + β1*X_i + ε_i , i=1,...,n where n is the number of data points, ε_i is random error Let σ^2 = V(ε_i)...

    Started by kingwinner‎, 05-21-2009 07:46 PM
    • Replies: 11
    • Views: 55,535
    12-11-2011, 12:32 PM Go to last post
  57. How to antilog a regression

    Hi, My excel regression produced the following: Coefficient Constant 6.5804 Log(Unit_Produced) -0.4752 The...

    Started by pcampin‎, 12-10-2011 11:21 AM
    • Replies: 4
    • Views: 9,883
    12-11-2011, 05:12 PM Go to last post
  58. partial r2 vs partial correlation vs stnd coefficients

    Hi all, I have run a few linear regression models predicting water quality for watersheds using explanatory variables such as mean impervious...

    Started by seth‎, 02-11-2011 01:30 AM
    • Replies: 9
    • Views: 20,224
    12-11-2011, 09:02 PM Go to last post
  59. Assumptions of Quantile Regression

    Is equal variance an assumption of quantile regression? Does quantile or median regression have any assumptions? Thanks.

    Started by zeloc‎, 12-11-2011 02:23 PM
    • Replies: 1
    • Views: 3,251
    12-12-2011, 02:07 AM Go to last post
  60. 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: 5,056
    12-13-2011, 08:30 AM Go to last post

+ Post New Thread
Page 18 of 73 FirstFirst 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 26 27 28 29 30 31 32 33 34 35 36 37 68 ... 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