1. 10-14-2010
    Views:
    37,887
+ Post New Thread
Page 1 of 71 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 4230

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Question Independence of cases (observations)

    Dear all, I am currently analyzing the effects several independent variables have on dependant variable (political party's position on...

    Started by tomas.bek‎, Today 12:36 PM
    durbin watson, independence, observations, ols, regression
    • Replies: 0
    • Views: 28
    Today, 12:36 PM Go to last post
  2. Regression MC

    Can someone confirm the answers to the below? And advise which ones are incorrect. Thanks! 1) True/False: Models selected by automated variable...

    Started by shane414‎, Yesterday 08:18 PM
    • Replies: 1
    • Views: 86
    Today, 10:55 AM Go to last post
  3. Normality

    I did a test of normality in STATA on my dependent variable. The rest was significant thus violations of normality. After taking the log, there is...

    Started by Jazz3‎, 04-21-2017 11:37 AM
    2 Pages
    1 2
    • Replies: 17
    • Views: 298
    Today, 10:46 AM Go to last post
  4. Data scattered around y=x

    Hello everyone, I am a researcher in engineering. I do have some background on statistics and mathematics in general, but I am not a professional...

    Started by math4engz‎, Yesterday 08:28 AM
    r squared, regression, statistics
    • Replies: 4
    • Views: 114
    Today, 09:17 AM Go to last post
  5. how to interpret regressions with spatial autocorrelation?

    Hi guys, I am currently doing a GIS and statistical project on whether there is an association between access to green space and deprivation at...

    Started by mariabenedict97‎, Yesterday 08:11 AM
    • Replies: 1
    • Views: 55
    Yesterday, 10:16 AM Go to last post
  6. Regression Analysis Practice

    I'm trying to solve these questions from a self-study for actuarial sci. I would appreciate if someone can verify and help explain the following. I...

    Started by shane414‎, Yesterday 03:22 AM
    • Replies: 2
    • Views: 100
    Yesterday, 09:15 AM Go to last post
  7. Test for multivariate analysis using multiple types of independent variables?

    Hey all, I'm new to the forum and relatively new to statistics (I took an intro biostats class, that's it). I'm working on my first "real world"...

    Started by immaxf‎, 04-22-2017 06:21 PM
    • Replies: 1
    • Views: 98
    04-22-2017, 08:44 PM Go to last post
  8. Logistic regression : negative coefficients, categorical variables

    Hi I am trying to build attrition model and have these variables :- 10 categorical variables with sub levels which created into dummy variables and...

    Started by Boo‎, 04-22-2017 06:05 AM
    coefficient, logistic regression
    • Replies: 3
    • Views: 134
    04-22-2017, 09:55 AM Go to last post
  9. Zero inflated negative binomial regression interpreting main and interaction effects

    I am running a zero inflated negative binomial model (zinb) and want to interpret the main and interaction effects. I have the following: ...

    Started by random_android‎, 04-21-2017 03:51 PM
    interaction effects, main effect, negative binomial model, stata 14, zero inflated
    • Replies: 4
    • Views: 155
    04-22-2017, 02:43 AM Go to last post
  10. confidence interval

    how do you find confidence interval ?

    Started by rka_stat‎, 04-19-2017 03:55 PM
    • Replies: 3
    • Views: 154
    04-20-2017, 07:49 PM Go to last post
  11. How to report and interpret non significant single regression? Its urgent plz help

    HI, can anyone please help me interpret this picture? we have not learnt this yet. will be grateful! ...

    Started by Amna_22‎, 04-20-2017 08:35 AM
    • Replies: 1
    • Views: 136
    04-20-2017, 10:10 AM Go to last post
  12. margin of error

    how do you find 95% margin of error ?

    Started by rka_stat‎, 04-19-2017 03:56 PM
    • Replies: 1
    • Views: 124
    04-20-2017, 08:20 AM Go to last post
  13. best point estimate and approximate interval estimate

    First Question: I need to calculate best point estimate for population of 4500. My understanding is it is (intercept + (variable*4500). Is that...

    Started by rka_stat‎, 04-19-2017 03:19 PM
    • Replies: 0
    • Views: 72
    04-19-2017, 03:19 PM Go to last post
  14. Question Analysis of multiple dependent variables of different sample sizes

    Thanks in advance for your help, I'm not a statistician, so I'm struggling to understand the best way to analyse some biological data, and I...

    Started by StatLess‎, 04-19-2017 09:32 AM
    • Replies: 0
    • Views: 68
    04-19-2017, 09:32 AM Go to last post
  15. Binary LR-Forward Stepwise: Should I report the each step entered in the result?

    Dear all, I used binary logistic regression in a forward stepwise method to classify my two groups of participants (depressed vs. healthy) using...

    Started by Ping Koo‎, 04-19-2017 07:51 AM
    • Replies: 0
    • Views: 64
    04-19-2017, 07:51 AM Go to last post
  16. Log regressions

    So between these two log regressions: 1) transform y into log but keep X normal 2) transform both the y and x into log When or what would be a...

    Started by Jazz3‎, 03-31-2017 04:05 AM
    • Replies: 9
    • Views: 345
    04-19-2017, 02:15 AM Go to last post
  17. Fixed effects model urgent help

    So I have a dataset which I am trying to use the fixed effects model on. I am confused if I am doing it correctly. I am using panel data to...

    Started by jdev10‎, 04-18-2017 11:02 PM
    • Replies: 0
    • Views: 100
    04-18-2017, 11:02 PM Go to last post
  18. From time 1 to time 2

    Hello, I am having a hard time to understand an issue which has been pointed out to me, though with limited further explanation. I am testing an...

    Started by Ted Brasil‎, 04-18-2017 04:35 PM
    • Replies: 0
    • Views: 101
    04-18-2017, 04:35 PM Go to last post
  19. High concentration at one level of multiple regression

    I am running a regression where the dependent variable is income gain. In about sixty percent of the cases the intervention fails and there is no...

    Started by noetsi‎, 04-18-2017 09:53 AM
    • Replies: 0
    • Views: 103
    04-18-2017, 09:53 AM Go to last post
  20. Derivation of an equation of Influential Analysis in OLS

    Hi to everyone, I'm new to this forum and I'm very pleased for the existence of this forum, since the fact that forums in these times are in decay....

    Started by alexjmackh_94‎, 04-16-2017 07:05 PM
    econometrics, influential outliers, ols
    • Replies: 2
    • Views: 117
    04-17-2017, 10:32 PM Go to last post
  21. Newbie Question

    Hello, Just wondering if someone could help me. I have a degree in Maths and have done second year Uni Maths stats (but quite a while ago) so...

    Started by PinkyP2‎, 04-13-2017 11:44 PM
    • Replies: 4
    • Views: 245
    04-16-2017, 11:31 PM Go to last post
  22. interpreting p-value in a table

    Hello. I am reading an article of how herbal tea affects INR values (the hypthesis is - that those who drink herbal tea have INR values outside the...

    Started by laradf‎, 04-15-2017 04:56 PM
    • Replies: 1
    • Views: 151
    04-15-2017, 10:27 PM Go to last post
  23. A question regarding simultaneous relationship and its implications on predictions

    Hey guys, I have a question regarding The simultaneous relationships and the Implications it has on regarding whether the said variable will be...

    Started by orenz10‎, 04-14-2017 08:22 AM
    • Replies: 0
    • Views: 111
    04-14-2017, 08:22 AM Go to last post
  24. Question Mediated regression (parallel): Opposing effects → how to interpret total effect?

    Hi everyone! In my student assistant job I had to to test a model of mediated regression, with various variables mediating the effect of A on B....

    Started by Jona‎, 04-13-2017 07:46 AM
    mediated regression, mediation, process tool, spss
    • Replies: 0
    • Views: 147
    04-13-2017, 07:46 AM Go to last post
  25. Can you include X1/X2 in a model when you've already included X1 and X2?

    Can you include X1/X2 in a model when you've already included X1 and X2? For example, I am trying to predict housing prices. X1=square feet and...

    Started by smw10c‎, 04-08-2017 12:40 PM
    • Replies: 4
    • Views: 251
    04-11-2017, 02:59 PM Go to last post
  26. Is it best to match data units to get a logical regressional relationship?

    Hi, I'm trying to find an economic relationship between inflation(CPI) and leakages to the economy like Taxes, Savings, and Imports. Well, it...

    Started by Zenny‎, 04-10-2017 09:22 PM
    inflation
    • Replies: 6
    • Views: 240
    04-11-2017, 02:20 PM Go to last post
  27. Variable change from significant to not significant

    I run a multiple regression with 4 main drivers and some control variables. Then I had to run another regression but with six main drivers (of...

    Started by Jazz3‎, 04-09-2017 09:08 AM
    • Replies: 7
    • Views: 325
    04-11-2017, 07:17 AM Go to last post
  28. Interpret regression dummies

    Hi there :yup: So I am having troubles understanding something. I had to run a regression, taking category A as base (highest share) The...

    Started by Jazz3‎, 04-09-2017 08:49 AM
    • Replies: 3
    • Views: 193
    04-10-2017, 10:00 AM Go to last post
  29. Regression Analysis

    I was working through the following set and needed some clarity on them. I attempted these questions (with my answers below) but need help to see...

    Started by msoe414‎, 04-08-2017 03:22 AM
    regression analysis, statistics
    • Replies: 1
    • Views: 233
    04-10-2017, 09:58 AM Go to last post
  30. Quadratic formula doesn't add up (SPSS)

    Hello, SPSS will draw a quadratic fit line on a scatterplot if requested and provide the formula (see attached). I have typed out the quadratic...

    Started by HanEyeAm‎, 04-07-2017 09:28 PM
    • Replies: 9
    • Views: 348
    04-09-2017, 07:46 PM Go to last post
  31. Panel data regression estimatetion method

    Hi, I am facing some problems with a panel dataset, and I hope somebody could help me. I have a pretty large data set (approx. 5000 firms, 15...

    Started by RickL‎, 04-09-2017 05:53 AM
    fixed effects, panel data, panel regression, pooled ols, random effets
    • Replies: 0
    • Views: 142
    04-09-2017, 05:53 AM Go to last post
  32. Model validation in regression

    I was wondering, for this question and why. I think its in-sample but curious why. 1) Models need to be validated: a. In-sample b....

    Started by msoe414‎, 04-07-2017 03:49 PM
    • Replies: 4
    • Views: 257
    04-08-2017, 06:58 PM Go to last post
  33. backtranformation of log transformed data

    Hi forum, I've a simple question that has probably a difficult answer. In a lineair regression of the form: log(y) ~ x resulting in an...

    Started by koen‎, 07-25-2006 09:39 AM
    • Replies: 2
    • Views: 2,256
    04-08-2017, 02:58 PM Go to last post
  34. Regression with Continuous and Dummy Independent Variables

    Dear Colleagues, I am running a multivariate linear regression analysis but got stuck with this situation. I have one dependent variable (which...

    Started by tomas.bek‎, 04-03-2017 08:56 AM
    continuous variables, dummy variables, multivariate regression, ols, regression
    • Replies: 13
    • Views: 575
    04-05-2017, 04:07 PM Go to last post
  35. Variance of a sum of predictions

    Hi, I predict the spatial distribution of a species on a regular grid using a regression model. Species numbers vary with environmental...

    Started by mmercker‎, 03-31-2017 08:03 AM
    population size, prediction interval, spatial analysis
    • Replies: 8
    • Views: 525
    04-03-2017, 01:44 AM Go to last post
  36. Outlier Statistics Using EVIEWS 9

    Viewing outliers in least squares regressions in EViews 9 and Viewing series, Missing Data, Outliers in Eviews 9. An Eviews program is provided that...

    Started by willylexander‎, 04-02-2017 06:14 AM
    outlier eviews 9
    • Replies: 0
    • Views: 147
    04-02-2017, 06:14 AM Go to last post
  37. Hypothesis interpretation

    Dear I'm wondering how I should interpret my hypotheses. The first one is "the relationship between X1 and Y increases as X3 increases" and the...

    Started by Hypnoz‎, 03-31-2017 02:03 PM
    • Replies: 4
    • Views: 261
    04-01-2017, 03:09 AM Go to last post
  38. Elasticity from linear and log-log regression model

    I am having problem understanding the calculation of elasticity. if I am using the log-log model eg: log(Y)=constant+β1 log(X1)+β2 log(X2) . So i...

    Started by korzuen‎, 03-31-2017 01:11 PM
    elasticity, log, regression
    • Replies: 3
    • Views: 257
    04-01-2017, 01:22 AM Go to last post
  39. Unique vs. Shared Variance Multiple Regression

    Hi all, I am having trouble with interpreting the explained variance of my multiple regression model. I ran a hierarchical model with nine...

    Started by Aegislash‎, 03-31-2017 04:43 AM
    • Replies: 1
    • Views: 235
    03-31-2017, 06:41 PM Go to last post
  40. How to handle a skewed dependent variable?

    Hello, i had another thread, where the scatterplot of the dependent variable and independent variable looked like the pic ('scatterplot2'). Now...

    Started by Franziska13‎, 03-30-2017 06:13 AM
    • Replies: 3
    • Views: 262
    03-31-2017, 07:42 AM Go to last post
  41. different linear regression formulas from same population

    hello to all, my question needs some explanation first; i want to test the efficiency of formulas for weight prediction but since medical...

    Started by srht ky‎, 03-29-2017 06:32 AM
    • Replies: 2
    • Views: 284
    03-30-2017, 01:46 PM Go to last post
  42. Multiple linear regression, I seek kind help for a result interpretation :)

    So, I've been struggling with a statistics problem for some time now and was wondering if you could shed some light? The regression's Dependent...

    Started by you_are_awsome‎, 03-30-2017 10:27 AM
    • Replies: 2
    • Views: 172
    03-30-2017, 10:36 AM Go to last post
  43. Reverse Engineering a calculator

    Hi A colleague in a different department posed an interesting question that I've been giving more thought to lately. Basically, a scientist here...

    Started by jamesmartinn‎, 03-30-2017 07:59 AM
    • Replies: 1
    • Views: 136
    03-30-2017, 09:41 AM Go to last post
  44. External validation of a log reg model using Nagelkerkes R2 w/ fixed parameters

    I have a dataset containing a point score (an integer between 0-41) and mortality (0/1) for a sample. I have performed a logistic regression...

    Started by ag90‎, 03-30-2017 08:05 AM
    external validation, logistic regression, nagelkerke, rsquared
    • Replies: 0
    • Views: 91
    03-30-2017, 08:05 AM Go to last post
  45. Negative Binomial Regression - Is this scatterplot okay (pic)?

    Hi there, One assumption of negative-binomial regression is linearity. I have this scatterplot of IV and DV? Would you say that there is...

    Started by Franziska13‎, 03-27-2017 08:18 AM
    • Replies: 3
    • Views: 279
    03-28-2017, 09:37 AM Go to last post
  46. % dependent and independent variables

    Hi all is a linear regression model appropriate when both the dependent and independent variables are % values of the total population in any given...

    Started by ldarley‎, 03-27-2017 01:48 PM
    • Replies: 0
    • Views: 223
    03-27-2017, 01:48 PM Go to last post
  47. Statistical proofs for experts

    Hello community. Is anyone expert enough to find the solutions to these two problems?

    Started by l2vanir‎, 03-25-2017 03:50 PM
    • Replies: 2
    • Views: 334
    03-26-2017, 11:41 AM Go to last post
  48. Heteroskedasticity

    I found heteroskedasticity in my data and I took the log for my dependent variable in SPSS. My independent variables are dummies). To be sure I...

    Started by Jazz3‎, 03-24-2017 12:30 PM
    • Replies: 7
    • Views: 405
    03-26-2017, 06:47 AM Go to last post
  49. SPSS is kicking out my variables [regression]

    So I am doing a multiple regression, with some independent variables. For control variables, I created dummies for the years. I have five years...

    Started by Jazz3‎, 03-21-2017 11:38 AM
    • Replies: 8
    • Views: 428
    03-24-2017, 10:59 AM Go to last post
  50. Unhappy I need help with my regression analysis for research capstone.

    Hi all, I'm new to regressions and also new to posting here. My topic is: How have E-books Affected College Textbook Prices? My hypothesis...

    Started by tlowe‎, 03-22-2017 02:59 PM
    • Replies: 9
    • Views: 426
    03-23-2017, 08:45 AM Go to last post
  51. What do you do it you can't increase X by one level while holding all other X constan

    Classical regression defines the slope as the change in Y for a one unit change in X holding all other X constant (or so I believe). :p What happens...

    Started by noetsi‎, 03-22-2017 12:36 PM
    • Replies: 7
    • Views: 328
    03-22-2017, 06:19 PM Go to last post
  52. Multiple regression analysis: linear or logistic?

    Hello! I have a question regarding multiple regression analysis: for numerical variable I should use linear regression and for dichotomous...

    Started by lacri‎, 03-21-2017 01:51 PM
    • Replies: 1
    • Views: 266
    03-21-2017, 04:18 PM Go to last post
  53. How to choose best robust regression model?

    Hello. There are several robust regression methods like LAR-(aka LAV-, LAD-, L1-Norm-)Regression, Quantil-Regression, M-Estimator, ... They are...

    Started by consuli‎, 02-25-2017 08:01 AM
    2 Pages
    1 2
    robust
    • Replies: 15
    • Views: 1,284
    03-21-2017, 02:05 PM Go to last post
  54. lg10 versus ln

    Hi there, I have a log transformation question. At school, we always used the ln() function in SPSS, but I recently found out that there is a...

    Started by Jazz3‎, 03-21-2017 10:13 AM
    • Replies: 3
    • Views: 218
    03-21-2017, 11:25 AM Go to last post
  55. Smile Panel study, multiple linear regression, assumptions

    Hey. I am doing a project where I am studying a set of companies over a 7-year period. I am doing a multiple linear regression analysis either...

    Started by monsmatglad‎, 03-21-2017 05:54 AM
    assumptions/requirements, linear, multiple regression, panel study
    • Replies: 0
    • Views: 160
    03-21-2017, 05:54 AM Go to last post
  56. log transformations

    This has confused me for years. Commonly in financial analysis you log Y or sometimes an X. I have never been sure if when you log Y you have to...

    Started by noetsi‎, 03-20-2017 02:22 PM
    • Replies: 5
    • Views: 293
    03-20-2017, 03:08 PM Go to last post
  57. Instrumental variables in system of equation

    Hi everybody, I have a simultaneous equation model in which I want to forecast long term rates in USA and Europe with Eviews. I want to use TLS to...

    Started by pgrign‎, 03-20-2017 10:12 AM
    • Replies: 0
    • Views: 180
    03-20-2017, 10:12 AM Go to last post
  58. Multiple regression analysis: multicollinearity problem

    Dear For my research I'm using interactions in a multiple regression analysis to test the influence of the IV on the DV with moderators. My...

    Started by Hypnoz‎, 03-12-2017 07:44 AM
    • Replies: 12
    • Views: 653
    03-19-2017, 02:14 PM Go to last post
  59. When log transformation

    Hello, I am a bit confused with WHY and WHEN you should take the log of the dependent variable and/or independent variables, after running a...

    Started by Jazz3‎, 03-14-2017 12:20 PM
    • Replies: 4
    • Views: 319
    03-17-2017, 08:23 AM Go to last post
  60. Multi-Stage models: How to do it in practice?

    Dear all, I need help with understanding the approach of so called "Multi-Stage modeling". I encountered a paper/research related to comparison of...

    Started by tradermartin‎, 03-15-2017 04:02 AM
    • Replies: 0
    • Views: 241
    03-15-2017, 04:02 AM Go to last post

+ Post New Thread
Page 1 of 71 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