1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    1,861
+ Post New Thread
Page 4 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 54 ... LastLast
Threads 181 to 240 of 4336

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Partial least squares (path analysis) - why and how to interpret attached results?

    For my research, I have a model with various mediators and one moderating variable (see image). I derived my data from an experiment. Short...

    Started by Ricovermeulen‎, 03-09-2017 04:30 AM
    experiment, path analysis, pls, regression
    • Replies: 0
    • Views: 822
    03-09-2017, 04:30 AM Go to last post
  2. Taking (years) into consideration Multiple regression?

    Figured it out

    Started by Jazz3‎, 03-06-2017 07:39 AM
    • Replies: 1
    • Views: 827
    03-08-2017, 03:45 PM Go to last post
  3. Why a simple linear regression (OLS)

    Hi! This forum is so helpful :tup: I just can't seem to find an answer to my question though. I am planning on doing a multiple regression...

    Started by Jazz3‎, 03-02-2017 08:08 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,526
    03-08-2017, 04:04 AM Go to last post
  4. What model/method to use to predict/impute missing values?

    First of all, apologies for the long and somewhat general post. I need to analyse the following tourism-related dataset and I'd appreciate any ideas...

    Started by chaps‎, 03-07-2017 05:52 AM
    • Replies: 2
    • Views: 1,355
    03-08-2017, 03:30 AM Go to last post
  5. Python PowerDivergence

    I am no statistician but I was asked to provide some quantification of the goodness-of-fit of a theory. This theory only uses one parameter and that...

    Started by ny2292000‎, 03-07-2017 11:51 AM
    goodness of fit
    • Replies: 0
    • Views: 1,166
    03-07-2017, 11:51 AM Go to last post
  6. Beta Regression Coefficients

    In a simple model, x is a continuous (normally distributed) variable predicting y. Since y values are proportions ranging from 0 to 1 (0%-100%),...

    Started by Martin Marko‎, 03-05-2017 08:16 AM
    beta-regression, logit
    • Replies: 7
    • Views: 1,543
    03-06-2017, 11:44 AM Go to last post
  7. Process Model and Covariates

    Hi all, I am having difficulty with Andrew Hayes' Process tool and my mediation model. Is it acceptable to run a mediation analysis with a...

    Started by Aegislash‎, 03-02-2017 08:48 AM
    andrew hayes, covariates, process model
    • Replies: 6
    • Views: 2,127
    03-05-2017, 02:59 PM Go to last post
  8. Non-linearity violation (predictor and log odds) in logistic regression with SAS

    Hi, I'm new to modelling and logistic regression, so I need a bit of help. I'm building a logistic regression model, and one of my continuous...

    Started by AliceMiles‎, 03-04-2017 11:38 PM
    • Replies: 2
    • Views: 1,172
    03-05-2017, 01:32 PM Go to last post
  9. The bootstrap method for medical modelling

    I am part of a team creating a model for paediatric hospitalised patients and would appreciate some help. We are looking to produce an accurate...

    Started by Lindsey‎, 02-27-2017 06:05 PM
    bootstrap, bootstrapping, model
    • Replies: 5
    • Views: 2,414
    03-04-2017, 10:01 PM Go to last post
  10. SPSS: transforming variables?

    I am doing a single linear regression and multiple regression, but I have a question about my independent variable. My independent variables (X)...

    Started by Jazz3‎, 02-16-2017 12:22 PM
    independ variable, multi linear regression, transform
    • Replies: 2
    • Views: 2,021
    03-02-2017, 07:27 AM Go to last post
  11. beta coefficient for a logistic regression

    I consider a simple model with binary variable Y (diseased vs non-diseased), variable X normally distributed among diseased and non-diseased with...

    Started by Alex C‎, 03-01-2017 09:57 AM
    • Replies: 7
    • Views: 1,575
    03-01-2017, 04:57 PM Go to last post
  12. Expert Help Required - Multiple Regression with Nominal and Scale Variables

    Hi all, I'm having huge issues with the assumptions of multiple regression and determining whether I am running my analysis correctly. First of...

    Started by Aegislash‎, 02-27-2017 05:28 AM
    dummy coding, multiple regression, nominal, scale
    • Replies: 4
    • Views: 2,098
    02-27-2017, 01:25 PM Go to last post
  13. logistic regression and ordinal logistic regression

    Hi, I am currently studying the ordinal logistic regression. I want to ask: is there a relationship between logistic regression with logistic...

    Started by Pamona D‎, 02-27-2017 08:17 AM
    logistic regression
    • Replies: 2
    • Views: 1,697
    02-27-2017, 11:01 AM Go to last post
  14. Whether to Include Treatments with 0 means Nonlinear Modeling

    Hi, I'm trying to compare the effect of temperature on developmental rate using various nonlinear models. The temperatures range 10-35 degrees C....

    Started by nebulus‎, 02-23-2017 11:21 PM
    • Replies: 0
    • Views: 1,371
    02-23-2017, 11:21 PM Go to last post
  15. confidence interval and p value

    dialysis Odds Ratio Std. Err. z P>z logintercept .0001105 .0003682 -2.73 0.006 1.61e-07 .0756841 Dear , I am have...

    Started by tommyvcc‎, 02-23-2017 06:49 AM
    • Replies: 2
    • Views: 2,030
    02-23-2017, 08:30 PM Go to last post
  16. Exclamation Instrumental variables with S&P 500 Health Care Index

    Hello everyone, I am new to this forum and I would need some help on a time series regression model with financial variables. I am regressing...

    Started by AstosDG‎, 02-21-2017 04:19 PM
    instrumental variables, time series analysis
    • Replies: 3
    • Views: 1,903
    02-23-2017, 08:26 PM Go to last post
  17. regression analysis for very small sample?

    hello, my study is about "The impact of corporate governance on firm performance". my sample size is 5 compagnies i have 6 IV and 1 DV so my Q...

    Started by ilyes‎, 02-20-2017 01:52 PM
    alternative, regerssion analysis, sample size
    • Replies: 7
    • Views: 2,207
    02-21-2017, 04:32 PM Go to last post
  18. Smile Very Small Sample Size -What multivariate analysis should be used

    Dear all, Good day! I'm having a hard time researching for possible multivariate analysis to be used in my study. I have less than 10 sample...

    Started by Gibi‎, 09-18-2012 05:39 AM
    regression analysis, small sample size
    • Replies: 6
    • Views: 9,291
    02-20-2017, 01:34 PM Go to last post
  19. Minimisation of specific residuals

    Hello, I hope that I can finde someone here to help me with the following problem: I have 11 points with x and y values. Those points are...

    Started by humic‎, 02-08-2017 07:49 AM
    • Replies: 7
    • Views: 2,594
    02-20-2017, 04:43 AM Go to last post
  20. Dynamic panels

    Did someone have done a serious work/report on dynamic panel with stata or Eviews? Ibegin in this field for my PHD.Please email...

    Started by canfly‎, 02-15-2017 05:58 PM
    • Replies: 0
    • Views: 1,907
    02-15-2017, 05:58 PM Go to last post
  21. How to get a relationship equation in between variables of a multi-physics problem?

    I have a multiphysics problem in which my output voltage data is dependent on the input oscillation frequency. There are four physics coupled in the...

    Started by sajiree‎, 02-10-2017 03:41 PM
    • Replies: 1
    • Views: 1,153
    02-10-2017, 05:36 PM Go to last post
  22. Got some questions on simple regression

    Hello everybody! I'm learning how to use SAS program and I have some questions when I got this ANOVA (view pic) - Are the two parameters estimated...

    Started by ElijahWood‎, 02-08-2017 12:36 PM
    • Replies: 4
    • Views: 2,100
    02-08-2017, 10:20 PM Go to last post
  23. Univariate x multivariate model

    Hello everyone! I just started modelling and I have a question about how to interpret my results. I built 3 models, two univatiates (Z ~ bX +...

    Started by Marive‎, 02-08-2017 05:24 PM
    multivariate analysis, regression analysis, univariate
    • Replies: 0
    • Views: 1,409
    02-08-2017, 05:24 PM Go to last post
  24. Winsorizing when I have different size groups

    I have a sample that consists of large, medium, and small firms and i want to run a separate regression for each size group. When I winsorize a...

    Started by 12345678‎, 02-03-2017 04:41 AM
    outliers
    • Replies: 0
    • Views: 1,913
    02-03-2017, 04:41 AM Go to last post
  25. Forecast Analysis Inquiry

    Im trying to perform some time series analysis on 2015 and 2016 monthly recorded data to see what method is best for forecasting 2016 monthly values...

    Started by lokelyokel‎, 10-26-2016 08:09 AM
    forecast, forecast error, regression analysis, winters method
    • Replies: 1
    • Views: 2,241
    02-01-2017, 02:15 AM Go to last post
  26. Which forecast method for a time series like this one?

    Hi everyone, I do have a time series composed by 45 monthly observations and I am trying to figure out which kind of forecasting method is best...

    Started by Mark_‎, 10-11-2016 10:05 AM
    • Replies: 10
    • Views: 3,101
    01-31-2017, 05:36 PM Go to last post
  27. Binary Logistic Regression

    Hello, I'm new here. I have got the following problem: - my dependent variable is dichotomous: male / female - my independent variable: how...

    Started by SandroM‎, 01-30-2017 05:02 PM
    • Replies: 0
    • Views: 1,802
    01-30-2017, 05:02 PM Go to last post
  28. Comparing beta's of different regression analyses for significance

    Hi all, I have been struggling with this for a while now, so I really hope one of you can help me out: I am trying to compare two different...

    Started by anneb‎, 01-30-2017 02:14 PM
    • Replies: 2
    • Views: 2,021
    01-30-2017, 03:42 PM Go to last post
  29. robust regression estimators

    Hi everyone. I have studied the robust regression a few weeks ago and I want to have a lot of insight about it. After reading some sources, I know...

    Started by Pamona D‎, 01-30-2017 08:23 AM
    regression analysis, robust linear regression
    • Replies: 2
    • Views: 2,933
    01-30-2017, 11:00 AM Go to last post
  30. Anova/Linear regression

    I have two datasets, one collected by one instrument, say A, and one by another, say B, at the same time. I need to use instrument B to calibrate...

    Started by jenny_stats‎, 01-30-2017 05:45 AM
    • Replies: 0
    • Views: 1,824
    01-30-2017, 05:45 AM Go to last post
  31. Estimate Residuals

    Hi statistics experts, I run a usual regression model (1 dependent, different independent variables) for each industry-year and save the residuals...

    Started by M90‎, 01-29-2017 05:31 AM
    • Replies: 2
    • Views: 2,178
    01-29-2017, 12:03 PM Go to last post
  32. SPSS: regression analysis for 3x2 experiment. How to test for interaction

    Dear all, For my research I have the following facts: - I have two categorical IVs: - treatment condition called competition, which has...

    Started by Ricovermeulen‎, 01-25-2017 09:39 AM
    3x2, anova, experiment, regression
    • Replies: 4
    • Views: 2,747
    01-29-2017, 04:19 AM Go to last post
  33. Help: regression analysis for categorical/binary exposure

    Cell biologist in need of stats help! I am using stata to analyse my data and have two questions: 1. I have a continuous outcome (hippocampal...

    Started by Leucine‎, 01-28-2017 07:50 PM
    • Replies: 3
    • Views: 2,491
    01-28-2017, 11:45 PM Go to last post
  34. Logistic Regression on SAS, all variables I put in to test are showing up as insignif

    Hello, I need help really badly. I am using SAS to do my statistical modelling. I have several different categorical variables with the...

    Started by shivu‎, 01-27-2017 07:46 PM
    • Replies: 2
    • Views: 2,526
    01-27-2017, 09:49 PM Go to last post
  35. Comparison of Coefficients of two different Regression Models

    Hi everyone, I am analyzing the impact of price and promotion activities on sales in two separate 2-Way-Fixed Effects models. One model is for...

    Started by LariB‎, 01-23-2017 04:08 AM
    • Replies: 4
    • Views: 2,857
    01-27-2017, 03:53 PM Go to last post
  36. Exp(B) or CI values with the letter "E"

    Dear all, I am running a Multinomial Log. Regression. Everything seems fine but I do not understand when Exp(B) oder CI values are like...

    Started by rezzak‎, 01-26-2017 04:42 AM
    confidence interval, exp(b), logistic regression
    • Replies: 6
    • Views: 3,049
    01-27-2017, 11:42 AM Go to last post
  37. Beta significance level in one model the same as the R-squared-change significance

    I am very new to statistics, so apologies in advance if I have not explained this clearly. I have run two types of linear regression: - The...

    Started by francyb‎, 01-23-2017 05:03 PM
    beta, linear regression, regression, signifiance
    • Replies: 1
    • Views: 2,838
    01-24-2017, 10:50 AM Go to last post
  38. what to do with "bad" logistic regression results

    I ran a simple logistic regression in R and here are my results. my independent variables are all "counts" and I coded my Y as 0 and 1. This is a...

    Started by semidevil‎, 01-18-2017 04:16 PM
    • Replies: 9
    • Views: 3,927
    01-23-2017, 12:18 PM Go to last post
  39. Finding predicted values with logged (ln) dependent variable.

    Hello all, I'm currently working on my first quantitative project. I am doing an OLS regression in SPSS. I had to take the natural log of my DV in...

    Started by burdfishdemon‎, 07-27-2016 03:21 AM
    log transformation, ols, predicted values, spss, statistics
    • Replies: 4
    • Views: 3,775
    01-23-2017, 11:16 AM Go to last post
  40. I think this is a simple question but I can't seem to find it in my stats book

    I have a linear regression equation (y=6.0707x-1200.2) that was used to develop 50 point estimates. The sum of these estimates is the point estimate...

    Started by bugle4one‎, 01-19-2017 11:27 AM
    • Replies: 12
    • Views: 3,193
    01-20-2017, 02:29 PM Go to last post
  41. im a newbie and i need some help with regression :(

    kayy... masters student here :wave: im so lost in my statistical analysis and my supervisor isn't really helpful :( for my model i have 3...

    Started by jkerr1‎, 01-20-2017 08:01 AM
    • Replies: 1
    • Views: 3,025
    01-20-2017, 12:30 PM Go to last post
  42. How to investigate a curvilinear relationship? (power curve?)

    Hi there, Can anyone tell me how to explore this relationship on SPSS using a regression analysis? I have been advised that this relationship...

    Started by crook‎, 01-19-2017 01:01 PM
    • Replies: 13
    • Views: 2,924
    01-19-2017, 11:57 PM Go to last post
  43. Deriving further values from regression coefficients

    Hi, Iím hoping someone can help me. Iím trying to derive another value from the coefficients of two regression equations. I have 2 regression...

    Started by Noble‎, 01-19-2017 09:43 AM
    cauchy, coefficients, regression
    • Replies: 0
    • Views: 1,820
    01-19-2017, 09:43 AM Go to last post
  44. Math Help: How to Calculate Weights for Multiplicative Model with Dummy Variables

    Hi Everyone, My question is how do I calculate weights for Y=W1X1*W2X2*WNXN where N is the number of independent variables. I could use...

    Started by CharlieBombay‎, 01-18-2017 11:52 AM
    coefficients, math, predictive model
    • Replies: 1
    • Views: 2,429
    01-18-2017, 04:51 PM Go to last post
  45. How can this be true [linear versus logistic regression]

    This comes from a government study that was used to generate something of great importance, funding and related factors for a major government...

    Started by noetsi‎, 01-07-2017 01:31 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 6,043
    01-15-2017, 02:51 PM Go to last post
  46. Can data be classified as count data?

    Hi, I have a dataset spanning two years which consists of individuals entering some process. Once they have entered this process I want to predict...

    Started by Mkkl‎, 01-15-2017 05:25 AM
    count data, negative binomial, poisson
    • Replies: 2
    • Views: 2,641
    01-15-2017, 08:38 AM Go to last post
  47. How to Fit polynomial regression by bootstrap and establishing IC of each parameters

    #Hi everybody and excuse me for my bad english for this request on R. #here parameter of an hypothetical interval : ...

    Started by philippe‎, 01-13-2017 08:28 PM
    bootstrap, regression analysis, regression coefficent, routine r
    • Replies: 0
    • Views: 1,862
    01-13-2017, 08:28 PM Go to last post
  48. growth curve models

    hi all, suppose my outcome is total yearly savings ($). i want to use growth curve models to see how 4 different groups change in their savings...

    Started by leonedelman‎, 01-13-2017 06:41 AM
    growth curve models
    • Replies: 0
    • Views: 2,296
    01-13-2017, 06:41 AM Go to last post
  49. Random slopes

    Dear experts, When should I include random slopes in my non-linear mixed effects model? Is it solely when it results in a better Log...

    Started by Palermo‎, 01-12-2017 10:49 PM
    • Replies: 0
    • Views: 1,917
    01-12-2017, 10:49 PM Go to last post
  50. Checking temporal dependency

    Hi guys, this is my problem: I have performed some experimental tests (tomographies) on 40 samples. These samples are made by four different...

    Started by dado92‎, 01-11-2017 12:10 PM
    temporal dependency
    • Replies: 2
    • Views: 2,705
    01-11-2017, 01:12 PM Go to last post
  51. Dealing with temporal autocorrelation

    Hi, assume we have a measured value for each year from 1990-210, and we want to estimate a linear trend. Now there is a problem of...

    Started by mmercker‎, 01-10-2017 03:22 AM
    additive, autocorrelation, gam, regression, trend
    • Replies: 2
    • Views: 2,751
    01-10-2017, 11:39 AM Go to last post
  52. Question Mediation Output with Process

    Hi, I am investigating a variable for its effect as a mediator with SPSS and Process but I have problems interpreting the output. First I...

    Started by StatStud‎, 01-10-2017 08:08 AM
    mediation, process
    • Replies: 0
    • Views: 3,401
    01-10-2017, 08:08 AM Go to last post
  53. What is spatial regression?

    This is the first time I have heard of this technique . They are concerned with what they call spatial issues, for example how rural versus urban...

    Started by noetsi‎, 01-09-2017 09:47 AM
    • Replies: 6
    • Views: 2,593
    01-09-2017, 02:41 PM Go to last post
  54. Statistical inference.

    Hi there, I would like to ask a couple of basic questions: 1. What is the difference between estimation and hypothesis testing? I mean are they...

    Started by Abubaker‎, 01-08-2017 06:25 AM
    hypothesis testing, model selection, modeling techniques, statistical inference
    • Replies: 1
    • Views: 2,553
    01-09-2017, 02:01 PM Go to last post
  55. Individual versus aggregate regression

    What is the difference between doing regression at an individual versus a aggregate level This is an example of what I am talking about for...

    Started by noetsi‎, 01-07-2017 02:09 PM
    • Replies: 0
    • Views: 2,924
    01-07-2017, 02:09 PM Go to last post
  56. I want to learn to create ARX, ARMAX, Box-Jenkins and Output-Error

    Hello. I'm am a control engineer and I want to upgrade my skills in simulation of dynamic physical systems. Normaly I describe my physical system...

    Started by Volvo742‎, 01-06-2017 08:22 AM
    • Replies: 8
    • Views: 3,165
    01-07-2017, 12:43 PM Go to last post
  57. 'e' in expected values in Poisson

    Using this example (see below) could someone please tell me what the 'e' symbol stands for and how one would work out the expected values manually. ...

    Started by sarahharding‎, 01-05-2017 11:44 AM
    expected values, poisson distribution, poisson regression, symbols
    • Replies: 1
    • Views: 2,411
    01-05-2017, 02:43 PM Go to last post
  58. Question Data input- ordered logistic regression

    Hello, I am trying to analyze the relationship between mode familiarity and Technology & demographic characteristics. So I have an ordinal dependent...

    Started by paranjyoti‎, 01-05-2017 09:09 AM
    data analysis, logistic regression, regression analysis, spss
    • Replies: 0
    • Views: 1,714
    01-05-2017, 09:09 AM Go to last post
  59. Regression analysis in R - which variables to include?

    Hi all, I am doing causal research between the relation between a dependent variable Y which consists of 4 phases (so 4 dependent variables Y1,...

    Started by koot6133‎, 01-05-2017 07:45 AM
    correlation, multiple regression, selection of variables
    • Replies: 0
    • Views: 2,242
    01-05-2017, 07:45 AM Go to last post
  60. Is Using an Explanatory Variable that Defines My X-Y Pairs Correct ??

    Hello My question is basic I guess: My data looks like this: obs date Y X 1 1/1/2010 5.6 3 2 1/2/2010 7.9 5 3 ...

    Started by Meytar‎, 01-03-2017 02:45 PM
    • Replies: 0
    • Views: 2,527
    01-03-2017, 02:45 PM Go to last post

+ Post New Thread
Page 4 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 54 ... 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