1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    2,853
+ Post New Thread
Page 19 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 38 69 ... LastLast
Threads 1081 to 1140 of 4364

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Hierarchical regression in SPSS (how to enter interactions when you have a quadratic)

    Hello there! I want to confirm if I am entering my variables in the proper way in SPSS for multiple regression. I have four variables: 1) student...

    Started by tropie‎, 03-17-2015 02:04 PM
    hierarchical regression, quadratic, regression analysis
    • Replies: 3
    • Views: 2,521
    03-17-2015, 03:32 PM Go to last post
  2. How do I select a method of regression analysis - Allometry - Animal Growth - Gnu

    I am analysing the growth of the wildebeest or gnu. To do this I am comparing the changes in A: Body length (L), B: Girth (G) and C: Shoulder height...

    Started by Gnu‎, 03-16-2015 09:21 AM
    allometry, anatomy, biology, growth, regression
    • Replies: 2
    • Views: 2,579
    03-17-2015, 01:04 AM Go to last post
  3. Centering Variables in Interaction with Lagged Dependent Variable

    I have to run this regression: Y (t) = a + b1 X (t-1) + b2 Y (t-1) + b3 X (t-1)*Y (t-1) Y at time "t" is regressed using as IVs X at time t-1,...

    Started by jjarg‎, 03-16-2015 04:25 PM
    interaction, lagged variable
    • Replies: 1
    • Views: 1,509
    03-16-2015, 05:04 PM Go to last post
  4. log-lin regression vs lin-lin

    Hi guys, I'm a new guest in this forum so first of all I'm Giovanni and nice to meet you. I'm solving a problem set of Econometrics course and...

    Started by gionni25‎, 03-15-2015 10:23 AM
    • Replies: 2
    • Views: 3,691
    03-16-2015, 03:24 AM Go to last post
  5. pooled OLS regression - industry dummy coefficients higher than the rest

    Please delete this thread. I did not find the button to delete it. Thanks a lot Best Mat

    Started by Mat_Latter‎, 03-15-2015 03:15 AM
    • Replies: 0
    • Views: 1,863
    03-15-2015, 03:15 AM Go to last post
  6. Post Difference between two regression coefficients

    Hi All: This is the context. I have three x variables with following relationship: x1 + x2 = x3. Now, I run these two equations: y = a1 + b1x1...

    Started by hs2000‎, 03-12-2015 09:01 PM
    • Replies: 1
    • Views: 1,345
    03-13-2015, 08:18 AM Go to last post
  7. Question Correct statistical test to use for my data (correlation/regression)

    Hello everyone, Potentially a silly question (but I am new to all of this): I have collected data from a focal animal study on Naked mole-rats....

    Started by Naked.Mole.Rat‎, 03-13-2015 06:13 AM
    • Replies: 0
    • Views: 1,217
    03-13-2015, 06:13 AM Go to last post
  8. Interpreting coefficients from GLM output

    Hi, I'm trying to educate myself further on using GLM and to do so I figured it'd be easiest to conduct a simple experiment where I knew the...

    Started by schwartzaw‎, 03-04-2015 10:23 AM
    • Replies: 9
    • Views: 2,924
    03-12-2015, 12:54 AM Go to last post
  9. Multi-Level Model

    Why in multi-level models can you get away with fewer observations per predictors? I know that I have heard and seen this before, but I am not...

    Started by hlsmith‎, 12-09-2014 08:57 AM
    • Replies: 9
    • Views: 3,514
    03-11-2015, 11:56 AM Go to last post
  10. Variance of parts equal to variance of whole?

    Good morning, I ran a hierarchical regression to test if variables A and B (established in the literature) are mediated by variable C (my research...

    Started by Monash_RA‎, 03-09-2015 06:37 PM
    dependent variables, explained variance, hierarchical regression, mediation analysis, multiple regression
    • Replies: 0
    • Views: 1,685
    03-09-2015, 06:37 PM Go to last post
  11. Interpretting Negative Beta Co-efficients in Regression

    Hi there, I am having trouble interpreting negative beta co-efficients. I think I am missing something simple perhaps... I have run a...

    Started by a_living_stone‎, 03-07-2015 02:54 AM
    • Replies: 1
    • Views: 1,717
    03-08-2015, 01:18 AM Go to last post
  12. Statistics Regression Question

    I need help with this question! The graph is in the picture below! A popular, nationwide standardized test taken by high-school juniors and...

    Started by zolton5971‎, 03-05-2015 09:56 AM
    • Replies: 5
    • Views: 2,717
    03-07-2015, 02:40 PM Go to last post
  13. Simple regression model but needs improvement

    I have been working on trying to fit a linear regression line to try to predict college gpa where the the prediction variables are high school...

    Started by raidernation‎, 03-07-2015 12:04 PM
    • Replies: 0
    • Views: 1,544
    03-07-2015, 12:04 PM Go to last post
  14. Multiple logistic regression - need for interaction checking?

    Hello, and thank you for reading this post. I am a medical doctor with limited statistical knowledge, so bare with me... I am trying to answer...

    Started by jujufish‎, 02-24-2015 09:37 AM
    interactions, multiple regression
    • Replies: 3
    • Views: 2,598
    03-07-2015, 08:07 AM Go to last post
  15. unit price of total pris?

    Hi, I am a first year economic student and are having some fun with regressions. I am doing a a regression analyse of some example data I have...

    Started by bodesmiller‎, 03-05-2015 05:05 AM
    • Replies: 0
    • Views: 1,697
    03-05-2015, 05:05 AM Go to last post
  16. Which multilevel approach is the right one? Help needed choosing a method.

    Hi everyone, I have a data set with a very specific structure and I am looking for a suitable way to analyze it. To be more precise, I am...

    Started by numerator‎, 03-04-2015 06:47 PM
    multilevel model, nested structure
    • Replies: 0
    • Views: 1,148
    03-04-2015, 06:47 PM Go to last post
  17. Help with interaction terms

    Hi, I have two categorical variables (race and field of study) as a part of my model to predict degree completion. In addition to the original model,...

    Started by commuter1112‎, 03-04-2015 01:08 PM
    • Replies: 1
    • Views: 1,634
    03-04-2015, 03:58 PM Go to last post
  18. Help with interactions in regression

    Hi I would really appreciate if anyone could please help me with this. I am doing a regression analysis, looking at the effect of 2 drugs (A or B)...

    Started by Bio_Stat‎, 03-03-2015 07:42 PM
    • Replies: 3
    • Views: 1,659
    03-04-2015, 08:19 AM Go to last post
  19. 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: 1,721
    03-03-2015, 03:58 PM Go to last post
  20. Interpreting Coefficients in Mediation Analysis with Logged Variables

    Hello out there. I really hope u can help me because i've tried to find a solution to my problem for ages now.. im performing a mediation analysis...

    Started by loop‎, 03-03-2015 05:22 AM
    • Replies: 0
    • Views: 1,351
    03-03-2015, 05:22 AM Go to last post
  21. transform probit into logit

    Hi everyone, is there a way to transform results obtained from a probit regression into results obtained from a logit regression? I am looking for...

    Started by natoe‎, 03-02-2015 04:06 AM
    • Replies: 1
    • Views: 1,823
    03-02-2015, 04:21 AM Go to last post
  22. Question About Excluded Variable

    Hi,please help me. I'm working on a thesis to determine the effect of independent variables(four independent variables, denoted by X1,X2,X3 and X4)...

    Started by muridbertanya‎, 03-01-2015 09:26 PM
    • Replies: 0
    • Views: 1,728
    03-01-2015, 09:26 PM Go to last post
  23. statistical tool/program for obtaining stiffness properties by force-deflection data

    I am performing flexural testing of composite honeycomb sandwich panels as per D7250,desired deliverables(stiffness values G,U and D) are obtained...

    Started by Brook79‎, 03-01-2015 11:42 AM
    • Replies: 0
    • Views: 1,447
    03-01-2015, 11:42 AM Go to last post
  24. Dependent variable is function of itself

    I have a model: qty=a.price+....(other IVs) Price is calculated as sales_amount/qty. Hence for a customer, if we aggregate data of a certain...

    Started by abhik‎, 02-27-2015 01:17 PM
    • Replies: 2
    • Views: 1,923
    02-27-2015, 08:55 PM Go to last post
  25. R-Squared Change - Multivariate Multiple Regression

    Hello everyone, I've been asked to conduct a multivariate multiple regression with multiple DVs (3 measures of a dependence construct) predicted...

    Started by trujilloma‎, 02-25-2015 07:34 PM
    multivariate regression, r squared change
    • Replies: 0
    • Views: 2,339
    02-25-2015, 07:34 PM Go to last post
  26. Non-linearity in OLS-Models, Multinominal Logit-Regression

    Hey there, I have a question connected to the Ols-Model in case of nonlinearity between parameters. What should be done if the assummption of...

    Started by looop‎, 02-15-2015 03:22 PM
    multinomial logit, non-linear, ols regression, regression assumption
    • Replies: 2
    • Views: 1,801
    02-25-2015, 12:49 PM Go to last post
  27. Hot to analyze data at various levels (company and employee)?

    I have a data set with data at two different levels. I want to analyze the perceptions of employees of a specific management practice. The data...

    Started by DrJames‎, 02-20-2015 06:19 PM
    • Replies: 1
    • Views: 2,442
    02-25-2015, 12:45 PM Go to last post
  28. meta analysis of many regression studies

    Ive searched the forum for answers to this but no joy yet so please help if you can. I have about 30 published studies looking at the dependence...

    Started by andyspeak‎, 02-17-2015 06:17 AM
    • Replies: 9
    • Views: 2,990
    02-25-2015, 05:31 AM Go to last post
  29. Question Discrepancy between Geogrebra, Excel, Desmos, and TI-83 PLUS...what's the deal?

    As my title implies, there is a discrepancy between Geogebra, Excel, Desmos, and TI-83 Plus. Let me explain myself I have created a fifth and...

    Started by nddn‎, 02-21-2015 03:19 PM
    • Replies: 3
    • Views: 2,504
    02-21-2015, 08:09 PM Go to last post
  30. Checking homoscedasticity in repeated measures

    Hello, When checking the assumption of constant variance for repeated measures data, am I correct in thinking that the variance of residuals...

    Started by deeuu‎, 02-18-2015 11:36 AM
    homoscedasticity, regression assumption
    • Replies: 0
    • Views: 1,548
    02-18-2015, 11:36 AM Go to last post
  31. Smile Conditional logistic regression- effect of modifiers

    Hi everybody, I am new here in this forum. I am studying the effect of air pollution (PM) on health outcomes, and the characteristics that might...

    Started by AlinaVo‎, 02-18-2015 03:18 AM
    case control; matched, coefficients, conditional regression
    • Replies: 0
    • Views: 1,663
    02-18-2015, 03:18 AM Go to last post
  32. Multiple regression where only part of the sample completed the follow up survey

    Hi, For my dissertation I trying to determine whether several emotions predict behavioural intention and behaviour. Participants were asked to...

    Started by Chris12‎, 02-16-2015 03:33 PM
    • Replies: 0
    • Views: 1,294
    02-16-2015, 03:33 PM Go to last post
  33. Interaction between binary and continuous variable in OLS

    I am trying to examine the association between maternal education and child school test scores using the following equation. TestScore = β0 + β1...

    Started by monzur‎, 02-16-2015 12:02 AM
    interaction effect, ols regression
    • Replies: 3
    • Views: 2,395
    02-16-2015, 08:09 AM Go to last post
  34. Regression / modelling help

    Hi All, I'm new here so If I've posted this in the wrong place or its not practical then I apologise. I'm new to regression so helpfully Im...

    Started by bobastic‎, 01-14-2015 05:44 PM
    • Replies: 5
    • Views: 2,531
    02-15-2015, 08:45 PM Go to last post
  35. 2sls regression

    hi, what be the consequenses of using the same explanatory variables in a simultaneous equations system? for example if both the supply and the...

    Started by bodesmiller‎, 02-15-2015 11:51 AM
    • Replies: 0
    • Views: 1,433
    02-15-2015, 11:51 AM Go to last post
  36. regression analysis reporting: chemist needs help!

    Hello, everyone. We have some regression data we'd like to report, but aren't sure how to best do so. Here's the situation: A lab analyst runs a...

    Started by artie mckim‎, 02-15-2015 10:28 AM
    • Replies: 0
    • Views: 4,024
    02-15-2015, 10:28 AM Go to last post
  37. how to draw a logistic curve in word, excel etc

    Hello, I am working on a binary logistic regression and would like to insert the logistic sigmoid curve. do you know how to draw such a curve in...

    Started by t.wang21@yahoo.com.au‎, 02-14-2015 08:32 PM
    • Replies: 0
    • Views: 3,348
    02-14-2015, 08:32 PM Go to last post
  38. B Coefficient

    I'm having some difficulty making sense of a logistic regression. I think I have the interpretation right based on a university tutorial on how to...

    Started by jle‎, 02-12-2015 12:40 AM
    • Replies: 5
    • Views: 2,014
    02-13-2015, 08:41 AM Go to last post
  39. Design question: proportion explained variance by placebo effect

    Dear all, I have a design question about investigating a placebo effect. Does anyone have a clue how to analyze the proportion explained variance...

    Started by maart91‎, 02-12-2015 07:37 AM
    • Replies: 2
    • Views: 1,318
    02-13-2015, 04:23 AM Go to last post
  40. Error Propagation in Separate Binomial Logistic Regressions

    On http://en.wikipedia.org/wiki/Multinomial_logistic_regression#Introduction is written, that the estimation errors of separate binomial logit models...

    Started by consuli‎, 02-12-2015 03:08 PM
    • Replies: 0
    • Views: 886
    02-12-2015, 03:08 PM Go to last post
  41. correct regression model for dependent variable

    Hi all, I am new to this forum and I hope that the qestions that are bothering me can be answered together with your help. I have data (N=220)...

    Started by andik‎, 01-19-2015 09:33 PM
    • Replies: 11
    • Views: 2,439
    02-12-2015, 08:47 AM Go to last post
  42. Mixed effects model residual analysis (help!)

    Hello, I have little experience with mixed-effects models and could do with some help when it comes to checking model assumptions. I am using...

    Started by deeuu‎, 02-10-2015 08:40 AM
    • Replies: 1
    • Views: 3,121
    02-11-2015, 04:34 AM Go to last post
  43. risk of using group level variables to predict individual outcomes in regression

    Hi, GOAL: I have been running a multivariate linear regression to predict student outcomes (grades; at the individual student level) from several...

    Started by Thea‎, 02-10-2015 08:09 PM
    • Replies: 0
    • Views: 1,352
    02-10-2015, 08:09 PM Go to last post
  44. Linear Regression (Age Interval, 10 years)

    Hi guys, I initially ran a linear regression, however we found that age (by year) generated a negligible B coefficient. In response we...

    Started by jle‎, 02-09-2015 09:29 PM
    • Replies: 5
    • Views: 1,585
    02-10-2015, 08:54 AM Go to last post
  45. F-Test for SLR & MLR?

    I am trying to finish a homework problem for a grad level stats class and can't seem to find an answer anywhere to this question written in plain...

    Started by statsisnotmyfriend44‎, 02-09-2015 10:10 PM
    f-test, linear regression, mlr, slr
    • Replies: 1
    • Views: 1,928
    02-10-2015, 02:09 AM Go to last post
  46. Interpretation of linear-log regression model (Neep Help)

    Dear All, I had a problem with my data of growth in percentage regarding negative and positive values due to which I could not transform it into...

    Started by b1lal‎, 02-09-2015 06:57 AM
    interpretation, log-linear, regression analysis
    • Replies: 2
    • Views: 1,705
    02-09-2015, 01:46 PM Go to last post
  47. Help with PCA-Loading Interpretation

    Hey People Im currently learning to use multivariate analysis in my PhD project, and have an Abstract deadline and a Statistician on holiday so I...

    Started by Taraaa‎, 02-09-2015 08:06 AM
    • Replies: 0
    • Views: 1,291
    02-09-2015, 08:06 AM Go to last post
  48. Writing R^2 strictly in terms of simple correlations among variables

    Say we have the following regression Y_i=\beta_0+\beta_1X_{1i}+\beta_2X_{2i}+\epsilon_i I want to write the multiple R^2 for this regression...

    Started by Jake‎, 10-17-2014 03:45 PM
    • Replies: 8
    • Views: 3,268
    02-07-2015, 07:06 PM Go to last post
  49. Transforming skewed data without decreasing kurtosis

    Have a data set with negative kurtosis and skewness values. Have tried numerous transformations but cannot find a solution that generates acceptable...

    Started by DrJames‎, 02-06-2015 03:09 PM
    • Replies: 4
    • Views: 2,558
    02-07-2015, 12:52 PM Go to last post
  50. Validity of the regression equation.

    Along with this post, I have attached a screenshot of my assignment and I am confused about the validity of regressions equations. I plotted linear...

    Started by Tansai‎, 02-06-2015 12:04 PM
    • Replies: 1
    • Views: 1,463
    02-06-2015, 01:10 PM Go to last post
  51. Ambulance utilisation: help choosing a method

    Hi, I need some advice in selecting a statistical test please. I am researching ambulance utilisation rates at a population level (defined by a...

    Started by john_martin‎, 02-04-2015 05:16 PM
    • Replies: 8
    • Views: 2,038
    02-06-2015, 04:57 AM Go to last post
  52. Must categorical variables always be dummy coded in linear regression?

    My question is must we always dummy code categorical variables in linear regression. What if I wanted to understand the overall effect of a...

    Started by dce219‎, 02-05-2015 11:05 PM
    • Replies: 2
    • Views: 2,415
    02-06-2015, 04:43 AM Go to last post
  53. Regression Model is not full rank

    Hi all, I am trying to detect relationship of crop yield at the end of the growing seasson (1 dependent variable) using amount of precipitation in...

    Started by szm‎, 11-19-2012 12:18 PM
    full rank, multicollinearity, p-value, problem, regression
    • Replies: 3
    • Views: 16,692
    02-06-2015, 03:08 AM Go to last post
  54. Fixed term is (Intercept) --Dredge function

    Hi, i'm currently running a glm model in R and have attempted to use the following code: Model:...

    Started by arl139‎, 02-05-2015 09:52 PM
    dredge, glm, logistic regression
    • Replies: 2
    • Views: 6,819
    02-05-2015, 11:08 PM Go to last post
  55. Which Blood Pressure Tool better predicts kidney function: help choosing test.

    Hi there, I am trying to see whether there is an advantage of using one blood pressure tool over another at predicting kidney function. Both...

    Started by Robspierre‎, 02-05-2015 06:19 PM
    • Replies: 1
    • Views: 1,332
    02-05-2015, 10:12 PM Go to last post
  56. Regression Analysis: Heteroskedasticity

    Hello I am a student studying econometrics and at the moment we are studying about heteroskedasticty and autocorrelation. I have been analysing...

    Started by mattonline‎, 02-05-2015 04:14 PM
    • Replies: 0
    • Views: 1,072
    02-05-2015, 04:14 PM Go to last post
  57. Strategies for managing multicollinearity in hierarchical regression

    Strategies for managing multicollinearity in hierarchical regression Hi, I am doing a thesis project that involves using hierarchical multiple...

    Started by TeenyZ‎, 02-04-2015 07:13 PM
    • Replies: 0
    • Views: 891
    02-04-2015, 07:13 PM Go to last post
  58. range of possible values for regression coefficients given another one?

    i feel like the answer to my question is a 'no' but i'll ask it anyway just to be absolutely sure. say you have 3 variables X, Y and Z each one...

    Started by spunky‎, 01-28-2015 01:36 PM
    regresion, restriction
    • Replies: 3
    • Views: 1,936
    02-04-2015, 04:11 PM Go to last post
  59. How to check if vector is close to space spanned by 2 basis vectors (lin. regression)

    Here is the situation: I have measured gene expression data for cells that have been subjected to three different stimuli. This means I have 3 long...

    Started by Rubber‎, 02-04-2015 10:48 AM
    gene expression, linear regression
    • Replies: 0
    • Views: 1,032
    02-04-2015, 10:48 AM Go to last post
  60. Use of scale () function and conflicting standardized values for fixed effects

    Hi, I'm currently using the scale() function in a glmer model (see below) and I'm having some inconsistencies between my standardized coefficient...

    Started by arl139‎, 02-04-2015 08:12 AM
    • Replies: 0
    • Views: 1,860
    02-04-2015, 08:12 AM Go to last post

+ Post New Thread
Page 19 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 38 69 ... 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