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Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Help with linear regression when multiple subjects

    Hi, I have some data where each subject is presented with pairwise combinations of four test items (A, B, C and D). Each observation is a...

    Started by deeuu‎, 01-11-2016 06:01 AM
    linear regression, repeated measures
    • Replies: 0
    • Views: 1,045
    01-11-2016, 06:01 AM Go to last post
  2. Question Conceptual queries in modeling

    Hi all, I am from engineering background. I would require your help in certain conceptual questions in modeling. Your help would be greatly...

    Started by rags140684‎, 01-04-2016 01:34 AM
    logistic, modeling, p-value, regression, statistics
    • Replies: 2
    • Views: 1,596
    01-09-2016, 01:53 PM Go to last post
  3. Pleease help!? Filling in "blanks" in Regression Output

    Hello! Can someone please explain, I need to fill in the blanks marked They provide this info in a row: Coeff:-9074.674 Std.Err: ?? ...

    Started by Cold_w‎, 01-06-2016 03:26 PM
    p-value, regression analysis, standard error, stata, t-statistic
    • Replies: 9
    • Views: 2,654
    01-07-2016, 07:42 AM Go to last post
  4. Multiple Regression on Longitudinal AND Cross-sectional data

    Hello, I'm trying to make sure I'm doing a hierarchical multiple regression analysis correctly (and interpret the results correctly) with regards...

    Started by digestives‎, 01-05-2016 12:22 PM
    • Replies: 0
    • Views: 800
    01-05-2016, 12:22 PM Go to last post
  5. Contribution of multiple correlated effects on global observation

    Hello, In a perfect system, I have 0% of signal loss. I found that there are N effects that can contribute to signal loss. I activate each effect...

    Started by Cab‎, 08-04-2015 08:58 AM
    • Replies: 13
    • Views: 1,782
    01-05-2016, 11:35 AM Go to last post
  6. Can fixed effects models be used on cross sectional data?

    1) Does it make sense to use a fixed effects model on cross sectional data (note, not time-series cross sectional data) if the goal is to account for...

    Started by Stropharia‎, 01-04-2016 09:46 PM
    fixed effects regression
    • Replies: 0
    • Views: 875
    01-04-2016, 09:46 PM Go to last post
  7. Logistic Regression predicted probability is either 1 or 0 (or literally 2.2204E-16)

    I am doing a test logistic regression to predict whether employees will stay in the company for more than 3 years. After the model is trained, the...

    Started by Rizer‎, 01-01-2016 01:35 AM
    logistic regression
    • Replies: 11
    • Views: 2,526
    01-03-2016, 01:28 PM Go to last post
  8. Question Sample size

    I'm running a VAR model with five variables for the period 2000-2011. That's to say, 12 observations. I know the number of observations is small but...

    Started by siddig‎, 01-02-2016 11:40 AM
    • Replies: 2
    • Views: 878
    01-02-2016, 12:41 PM Go to last post
  9. Study Design for assessing efficacy of New Clinical Sign

    Hi! I am looking for some guidance as to what statistical tests I would need to do to know the significance of a study. The situation is this: ...

    Started by cielo‎, 01-02-2016 08:51 AM
    biostatistics, case control, clinical study, diagnostic test
    • Replies: 0
    • Views: 696
    01-02-2016, 08:51 AM Go to last post
  10. Logistic fixed effects cluster-specific interpretation with cross-sectional data

    I'm unsure how to interpret the output of a fixed effects (in the econometric sense) logistic regression model using cross-sectional data. I'm...

    Started by Stropharia‎, 01-01-2016 01:07 AM
    clustered data, fixed effects model, logistic regression
    • Replies: 0
    • Views: 1,334
    01-01-2016, 01:07 AM Go to last post
  11. Logistic Regression of NFL Data

    Week 5 picks from a logistic regression model for the NFL: http://trevorbischoff.com/nfl-2015-week-5-predictions/

    Started by LeeBalto‎, 10-07-2015 08:00 AM
    logistic regression, modeling, prediction
    • Replies: 8
    • Views: 4,594
    12-30-2015, 01:19 PM Go to last post
  12. interpreting interaction results in ols regression

    Dear all, I am trying to examine the association between household wealth and expenditure on education of children aged 11-17 and 5-10 in a...

    Started by anika13‎, 12-29-2015 12:45 PM
    • Replies: 1
    • Views: 1,420
    12-29-2015, 04:28 PM Go to last post
  13. Query: Using independent variables in regression.

    1. When putting in independent variables in regression model, for example "income" and my outcome is health status. I can use income as categorical...

    Started by Tilipa‎, 12-28-2015 07:20 PM
    regression analysis
    • Replies: 4
    • Views: 1,273
    12-29-2015, 02:07 PM Go to last post
  14. Post ANOVA multi-variable problem

    If there is a dependent variable depending on 5 independent variables or factors, how to find the relative effect of these 5 groups on dependent...

    Started by prasun samir‎, 12-24-2015 09:12 PM
    • Replies: 3
    • Views: 1,616
    12-26-2015, 09:40 PM Go to last post
  15. Linear regression and dichotomous variable

    Hello I would like to do a linear regression (stepwise), and one of the variables I want to enter is sick/ not sick. The other variables are from...

    Started by talgef‎, 12-22-2015 04:43 AM
    • Replies: 1
    • Views: 1,143
    12-22-2015, 07:14 AM Go to last post
  16. Percentage change of dependent variable (MLR)

    Greetings, I went through SPSS regression analysis of a certain dataset, tested assumptions, and finally I got a multiple regression model:...

    Started by bellcross‎, 12-20-2015 09:13 AM
    • Replies: 3
    • Views: 5,635
    12-21-2015, 03:34 PM Go to last post
  17. The assumptions of multiple regression: An article by TalkStatters!

    Hi everyone, A lot of you are aware of this already, but I'm posting this to a public subforum on Quark's suggestion :) Recently a group of 3...

    Started by CowboyBear‎, 09-10-2013 10:31 PM
    • Replies: 3
    • Views: 88,390
    12-21-2015, 02:02 PM Go to last post
  18. adding skewness and kurtosis to CAPM - regression

    Suppose I have a set of monthly returns of a stock, monthly 'market' returns and some risk free rate for lets say 10 years. Performing an usually OLS...

    Started by Deusdeorum‎, 07-21-2015 03:55 AM
    capm, regression analysis
    • Replies: 1
    • Views: 5,019
    12-18-2015, 07:26 PM Go to last post
  19. Logistic Regression

    I am looking at a medical outcome (binary) and known risk factors. There are 10 established risk factors that I will test in my sample of 300...

    Started by hlsmith‎, 12-18-2015 09:28 AM
    • Replies: 4
    • Views: 1,352
    12-18-2015, 10:04 AM Go to last post
  20. Commonality analyses/structure coefficients/relative importance

    Dear members: I am conducing a 2-way moderation and I would like to determine the meaningful implications of each of my predictors (IV, Moderator,...

    Started by Elena_Iva‎, 12-17-2015 09:34 PM
    • Replies: 0
    • Views: 673
    12-17-2015, 09:34 PM Go to last post
  21. Nominal predictor with 70 levels....

    I have a nominal level predictor with 70 levels (its units that provide some service). I want to analyze how these units preform on an interval...

    Started by noetsi‎, 12-08-2015 03:13 PM
    qq-plot
    • Replies: 9
    • Views: 1,999
    12-16-2015, 01:44 PM Go to last post
  22. Control variable for panel analysis

    i am writing a paper analyzing What is the effect of corruption on Government expenditure (education,health,military and infrastructure). I have data...

    Started by arni‎, 12-16-2015 06:55 AM
    variable
    • Replies: 0
    • Views: 814
    12-16-2015, 06:55 AM Go to last post
  23. Tjur's pseuo R squared

    Paul Allison recommends this now for logistic regression, but I have never run across it (it has not been formally named this, Tjur is the author who...

    Started by noetsi‎, 12-15-2015 03:39 PM
    • Replies: 4
    • Views: 2,047
    12-15-2015, 09:05 PM Go to last post
  24. Logistic regression: Development of a hypothesis question

    Logistic regression: Development of a hypothesis question Hello guys, I am working on my master thesis right now. I am examining...

    Started by maxime39‎, 12-14-2015 09:18 AM
    • Replies: 2
    • Views: 748
    12-15-2015, 12:39 PM Go to last post
  25. AIC for evaluating transformations

    I was just reading an article that seemed to say they used AIC to evaluate continuous variable transformations, I guess in a logistic model. I am...

    Started by hlsmith‎, 12-04-2015 10:13 PM
    • Replies: 1
    • Views: 1,007
    12-15-2015, 09:39 AM Go to last post
  26. New to statistics and Binary Logistics Regression

    Dear Fellows! In search of help just found this forum and I hope there would be anyone who will help me. I am doing the Binary Logistic...

    Started by Usman Abdullah‎, 12-12-2015 12:36 AM
    • Replies: 3
    • Views: 1,327
    12-12-2015, 05:53 PM Go to last post
  27. What does intercept mean in regression analysis?

    I have searched it on the web but I just cant understand it. To better understand it I did one example my self. Can somebody explain me this? >...

    Started by Mr Good News‎, 12-10-2015 02:53 AM
    • Replies: 3
    • Views: 1,815
    12-12-2015, 11:59 AM Go to last post
  28. Multi variable Regression

    Dear Regression Experts, I am new in this field, I have set of data of about 1 lac entries having a total of 10 variables of which 9 are input...

    Started by wali‎, 12-10-2015 07:27 AM
    • Replies: 4
    • Views: 1,416
    12-12-2015, 01:34 AM Go to last post
  29. Calculate estimated median survival time (by hand)

    So I have some SAS code: proc lifereg data=surv_data; model event_time * censor(1) = var1 var2 var3 / distribution=weibull; output...

    Started by lancearmstrong1313‎, 12-10-2015 01:06 PM
    • Replies: 5
    • Views: 1,601
    12-11-2015, 01:05 PM Go to last post
  30. Tutorial Tobit Eviews 9

    The tobit models, Also called a censored regression models (Tutorial Tobit Eviews 9) (Guide Tobit Eviews 9) (Regression Tobit Eview 9), is designed...

    Started by OlhDt_semarang‎, 12-11-2015 12:53 AM
    (tutorial tobit eviews 9, guide tobit eviews 9, regression tobit eview 9
    • Replies: 0
    • Views: 3,900
    12-11-2015, 12:53 AM Go to last post
  31. Eviews 9 Tutorial Two Stage Least Squares

    Two-stage least squares (TSLS) is a special case of instrumental variables regression. As the name Suggests, there are two distinct stages in the...

    Started by OlhDt_semarang‎, 12-09-2015 08:46 PM
    guide eview 9, tutorial eviews 9
    • Replies: 0
    • Views: 3,084
    12-09-2015, 08:46 PM Go to last post
  32. Ordered Logistic Regression - proportional odds

    Hey, for a homework paper I have analyze some data. Its about how social networks are related to health. My depended var is an ordinal variable...

    Started by Hansbusch‎, 12-07-2015 07:42 AM
    • Replies: 0
    • Views: 1,207
    12-07-2015, 07:42 AM Go to last post
  33. Exam Question Help

    Hey Guys, After a worked solution for this previous exam question, if that's too much to ask, I understand, could you then point me to some...

    Started by IRK‎, 12-07-2015 02:15 AM
    • Replies: 1
    • Views: 1,094
    12-07-2015, 03:51 AM Go to last post
  34. Regression analysis with multicollinearity

    I am using jmp software for analysis... I am looking at prognostic factors that influence survival of patients with a specific type of cancer. ...

    Started by yellowsubmarine_7‎, 12-06-2015 04:55 PM
    regression analysis
    • Replies: 1
    • Views: 987
    12-06-2015, 06:05 PM Go to last post
  35. Compute and interpretation of logarithmic dependent variable

    Hello everyone, For a paper I am using a model from another paper. However, I have some difficulties determining how I should generate this...

    Started by Jantje Beton‎, 12-06-2015 01:16 PM
    • Replies: 0
    • Views: 669
    12-06-2015, 01:16 PM Go to last post
  36. Interpretation of the squared term coefficient in the presence of interaction

    Hello dear form members, Please consider the following regression model: y = a + b1x1 + b2x1^2 + b3x2 + b4x1*x2 + e, Note that x1 is (1)...

    Started by kiton‎, 11-11-2015 04:09 PM
    • Replies: 6
    • Views: 1,615
    12-06-2015, 11:03 AM Go to last post
  37. Rare suppressor effect?

    Hey, I recently discovered a somewhat surprising result in a hierarchical regression: I have three predictors (C M N) and one outcome (D). ...

    Started by asbjorng‎, 03-18-2014 03:40 AM
    • Replies: 2
    • Views: 1,279
    12-06-2015, 06:45 AM Go to last post
  38. Applying multiple regression results to new data SPSS

    My study involves testing infants at multiple time points using a number of behavioural tests. I used a multiple regression to establish which...

    Started by rdavis09‎, 12-05-2015 10:05 AM
    • Replies: 3
    • Views: 1,630
    12-06-2015, 04:17 AM Go to last post
  39. Integrating a continuous predictor in multiple logistic regression?

    Hi everyone, I was wondering if you could help tell me if this would be possible. I'm doing a health research project were I am using a lot of...

    Started by derivativegradient‎, 12-05-2015 10:55 PM
    • Replies: 1
    • Views: 720
    12-06-2015, 03:50 AM Go to last post
  40. Estimate a Logistic Regression Model

    Hi guys, I want to estimate a logistic regression model's equation based on observed data and get the coefficients to extrapolate further. I have...

    Started by Oberon‎, 12-03-2015 08:40 AM
    logistic, regression
    • Replies: 6
    • Views: 2,048
    12-04-2015, 01:18 AM Go to last post
  41. Specifying the correct model in Oxmetrics

    I have an equation: Y = c + b1X1 + b2X2 + b3X3 Y = Cryptographic ability (scaled 0-200) X1 = Pattern recognition skills (scaled 0-20) X2 =...

    Started by TimeMachine‎, 12-03-2015 12:43 AM
    • Replies: 0
    • Views: 735
    12-03-2015, 12:43 AM Go to last post
  42. Hypothesis test on number of votes accidentially given to Buchanan

    Hey :wave: I have the following task: Estimate the number of votes, denoted v, in Palm Beach that are accidentially given to Buchanan by...

    Started by Hopeless‎, 12-01-2015 03:43 AM
    • Replies: 0
    • Views: 857
    12-01-2015, 03:43 AM Go to last post
  43. statistical robustness analysis in minitab

    Hello! I was asked to comment on statistical robustness analysis in minitab, but honestly I don't know much about it. Can anyone help me...

    Started by kaczka03‎, 11-29-2015 04:11 PM
    • Replies: 0
    • Views: 1,220
    11-29-2015, 04:11 PM Go to last post
  44. Logit:why aren't my exponentiated coefficients equaling my odds ratio (for nominal x)

    I'm running logit in JMP. My understanding is that if you exponentiate the coefficients, you get the change in odds ratios from a 1 unit change in X....

    Started by Chriscic‎, 11-28-2015 11:06 AM
    • Replies: 3
    • Views: 1,570
    11-28-2015, 10:18 PM Go to last post
  45. cross-validated AUC

    Hello All, I hope the thread's title makes sense to you. I need to perform internal Cross-Validation using k-fold CV (needless to say, to assess how...

    Started by gianmarco‎, 11-25-2015 02:42 AM
    • Replies: 10
    • Views: 1,866
    11-27-2015, 03:32 PM Go to last post
  46. [Logistic regression: Stepwise] Why does the model keep a non-significant predictor?

    Hello there, I'm running a logistic regression with four independent variables. I use the Stepwise: Backwards LR method for the regression. ...

    Started by MelinJD‎, 11-24-2015 11:01 AM
    • Replies: 2
    • Views: 1,208
    11-27-2015, 03:56 AM Go to last post
  47. Comparing AIC between OLS and Quantile regression

    Hello all, Is it acceptable to compare the AIC of an OLS linear model to the AIC of a quantile linear model to see which is the better fit? I...

    Started by Frost_Maggot‎, 11-26-2015 12:10 PM
    • Replies: 0
    • Views: 793
    11-26-2015, 12:10 PM Go to last post
  48. Linear regression - help with meeting/avoiding the assumptions

    Hello all! I am tasked with fitting a linear model with one dependent variable y and one independent variable x. I am using R for the analysis....

    Started by Frost_Maggot‎, 11-25-2015 05:07 PM
    • Replies: 2
    • Views: 1,359
    11-25-2015, 05:20 PM Go to last post
  49. Question Ranking a Location using Linear Regression

    Hi, I am facing a strange problem with a software patented in the USA. It is a location evaluation software, which offers insights on determining...

    Started by Confidential‎, 11-22-2015 06:23 AM
    • Replies: 6
    • Views: 1,867
    11-24-2015, 09:32 AM Go to last post
  50. Variable Analysis

    I'm new to using regression and was curious how most of you go about creating a tightly fit model. I've always tried to get all my variables under a...

    Started by trampledunderfoot‎, 11-23-2015 11:35 PM
    • Replies: 1
    • Views: 909
    11-24-2015, 07:34 AM Go to last post
  51. ANCOVA - can I delete a very significant variable from a model's equation?

    Hi all, I undertook a sensitivity analysis to study the contribution of explanatory variables to soil organic carbon variations. Here, the...

    Started by CGG‎, 11-22-2015 05:38 PM
    ancova, variable in model
    • Replies: 5
    • Views: 1,041
    11-24-2015, 07:30 AM Go to last post
  52. Multiple linear regression using moderators

    Hi guys, first post here! First some background information: I am doing a study that examines whether patents and trademarks (2 independent...

    Started by Inter‎, 11-23-2015 11:40 AM
    • Replies: 0
    • Views: 1,162
    11-23-2015, 11:40 AM Go to last post
  53. Instrumental variable approach to a model with squared and interaction terms

    Moderator, please delete this post.

    Started by kiton‎, 11-22-2015 04:50 PM
    endogeneity, instruments, least squares regression
    • Replies: 0
    • Views: 681
    11-22-2015, 04:50 PM Go to last post
  54. Degree of Freedom in extra sum of squares

    Give the degrees of freedom associated with a)SSR(X_1|X_2) b)SSR(X_2|X_1,X_3) c)SSR(X_1,X_2|X_3,X_4) d)SSR(X_1,X_2,X_3|X_4,X_5)

    Started by askazy‎, 11-21-2015 12:29 PM
    • Replies: 0
    • Views: 974
    11-21-2015, 12:29 PM Go to last post
  55. Regression analysis in MS Excel

    I have a very simple model, in which Y is the average of three variables (A, B and C). Now I would like to know how much of the variance in Y is...

    Started by Stat789‎, 11-21-2015 10:25 AM
    • Replies: 0
    • Views: 863
    11-21-2015, 10:25 AM Go to last post
  56. [Logistic Regression] - Is it possible to compare the outcomes?

    Dear all, First time poster here. I'm currently working on my thesis and i'm stuck with a complex matter which i hope you guys can help me with. I...

    Started by Tway‎, 11-19-2015 03:47 PM
    logistic regression
    • Replies: 1
    • Views: 1,192
    11-21-2015, 02:55 AM Go to last post
  57. Implement Young's Information Criterion in Matlab for analyzing recursive arx models

    Hey For an assignment we want to implement the YIC instead of Aikake's information criterion because it's more suitable to fit our data. We have...

    Started by Alex40014‎, 11-20-2015 04:24 AM
    • Replies: 0
    • Views: 1,319
    11-20-2015, 04:24 AM Go to last post
  58. regression on age groups

    Dear All, I have the following question: Estimate a simple regression model of ‘libertarian-authoritarian’ attitude as a function of age groups...

    Started by sugabird22‎, 11-17-2015 08:55 AM
    age, group, regression
    • Replies: 5
    • Views: 3,472
    11-17-2015, 06:37 PM Go to last post
  59. Will Cochrane-Orcutt process remedy heteroskedasticity? Using GRETL

    I tried searching for this in the forums but cant seem to find anything. I'm probably just wording it wrong. I'm working on a research project for...

    Started by NorCalLove‎, 11-17-2015 12:19 AM
    • Replies: 1
    • Views: 909
    11-17-2015, 05:44 AM Go to last post
  60. Post Model to use, fractions as independent and dependent variables

    Hi, I have some background on doing regression analysis, however never on fractional variables. My question is related to model selection on...

    Started by ddali‎, 11-14-2015 10:13 AM
    fraction, regression analysis
    • Replies: 1
    • Views: 1,491
    11-14-2015, 04:36 PM Go to last post

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