1. 10-14-2010
+ Post New Thread
Page 8 of 70 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 58 ... LastLast
Threads 421 to 480 of 4151

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. MSE vs variance of residuals

    Can someone help me understand the distinction between the Mean Square Error and the variance of the residuals i)] in a linear regression? I thought...

    Started by pgseye‎, 03-15-2016 05:28 AM
    • Replies: 0
    • Views: 393
    03-15-2016, 05:28 AM Go to last post
  2. Use of partial regression plots to check for non-linearity

    These are commonly recommended to detect non-linearity in interval level predictors. I ran these in SAS and I have a difficult time interpreting the...

    Started by noetsi‎, 03-11-2016 01:53 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 1,218
    03-14-2016, 04:28 PM Go to last post
  3. Fishing with data: Use of multiple regressions on the same data set

    I have approached this issue, running multiple models with the same data set usually in the context of FW error . It is the habit of running multiple...

    Started by noetsi‎, 03-14-2016 12:31 PM
    • Replies: 2
    • Views: 320
    03-14-2016, 02:25 PM Go to last post
  4. Linear regression vs logistic regression

    I have a time series dataset. The, X (Independent variable) is time and is denoted as 1,2,3,4,5,6..1000.etc Y (Dependent variable ) is a...

    Started by Mukund‎, 03-12-2016 09:54 AM
    linear regression, logistic regression
    • Replies: 2
    • Views: 524
    03-14-2016, 09:28 AM Go to last post
  5. Test of non-linearity

    How do you actually test for non-linearity in linear regression. I have heard Box-Tidwel test mentioned, but I have yet to find out how you do it. ...

    Started by noetsi‎, 03-11-2016 09:27 AM
    • Replies: 0
    • Views: 329
    03-11-2016, 09:27 AM Go to last post
  6. Unhappy Regression: DV is Revenue and IDV is cost. (Very High MAPE)

    Need help on one of the modelling assignment. My dependent variable is Revenue and the independent variable is Cost beside some other variables...

    Started by vikash_124124‎, 03-09-2016 01:47 AM
    mape, regression
    • Replies: 8
    • Views: 630
    03-11-2016, 09:24 AM Go to last post
  7. (Poisson/NegBin, RE) Estimation of time-invariant predictors in a panel model

    Hello dear forum members, For a time being I had been working with the following model (Stata command format): - xtpoisson y x1 x2 x3 x4 x5, fe-...

    Started by kiton‎, 03-10-2016 02:03 PM
    negative binomial, poisson, random-effects, time-invariant
    • Replies: 3
    • Views: 553
    03-10-2016, 05:02 PM Go to last post
  8. Question Dummy variable in a Fixed effects (FE) model

    Hello :-) I am doing a paper where I examine the Scandinavian welfare model effect on inequality in the Scandinavian countries. I examine it using...

    Started by JoLinda91‎, 03-03-2016 05:54 AM
    • Replies: 4
    • Views: 613
    03-10-2016, 02:35 PM Go to last post
  9. chemical analysis

    Hi guys help me? I have a problem. I have to analyze a product just finished the processing (hot) and subsequently when it is cooled to room...

    Started by crimelist‎, 03-10-2016 02:44 AM
    • Replies: 13
    • Views: 939
    03-10-2016, 11:56 AM Go to last post
  10. regression of car accidents vs age (question about normality and implement gender)

    a few basic questions. I'm just starting to learn regression so I'm trying to apply what I'm learning. I have a set of data with ages ranging...

    Started by semidevil‎, 03-03-2016 09:38 PM
    • Replies: 14
    • Views: 1,256
    03-09-2016, 05:11 PM Go to last post
  11. Question about linear regression & residuals

    I have been reading up on linear regression and residual plots here on stattrek: http://stattrek.com/regression/residual-analysis.aspx?Tutorial=AP...

    Started by pablowilks‎, 03-08-2016 03:24 PM
    • Replies: 2
    • Views: 438
    03-09-2016, 07:46 AM Go to last post
  12. Categorical variables changing by their groupmean

    Hi For a project I need to model industrial data. Large part of the dataset consists out of nominal categorical variables (430 variables in total...

    Started by studentbelg‎, 03-08-2016 05:20 PM
    • Replies: 0
    • Views: 320
    03-08-2016, 05:20 PM Go to last post
  13. When to specify an interaction effect

    I have a model with about 20 variables in it (6 of them are dummies from a categorical variable with 7 levels). All of these are suggested by the...

    Started by noetsi‎, 03-08-2016 09:26 AM
    • Replies: 4
    • Views: 480
    03-08-2016, 01:18 PM Go to last post
  14. Assignment

    Please may you help me answer the question, I'm stuck. Thanx!! A property analyst is examining the relationship between the City councilís...

    Started by natra‎, 02-22-2016 06:43 AM
    • Replies: 2
    • Views: 542
    03-08-2016, 04:22 AM Go to last post
  15. Using median case load as a predictor

    I am testing the impact of a contractor or a public unit working with a customer . A big part of this is generating control variables so I can...

    Started by noetsi‎, 03-07-2016 05:56 PM
    • Replies: 1
    • Views: 372
    03-07-2016, 07:49 PM Go to last post
  16. Prediction Intervals

    I am in the process of calculating the prediction intervals on a time series data linear regression model The independent variable in my model is...

    Started by Mukund‎, 03-07-2016 04:58 AM
    prediction interval, regression
    • Replies: 0
    • Views: 336
    03-07-2016, 04:58 AM Go to last post
  17. Good Tool to generate probability of a sale for 300,000 products

    Hi - I am trying to determine a good tool that will help me generate a probability of a sale for a list of of 300,000 products. I have a table of...

    Started by BlendRed3‎, 03-06-2016 01:37 PM
    • Replies: 0
    • Views: 310
    03-06-2016, 01:37 PM Go to last post
  18. Nonparametric regression using kernel weights

    Hi! I am wondering how I can present the results of nonparametric regression. I performed the nonparametric tests using R, and R package 'np'. ...

    Started by nieve5552‎, 03-05-2016 09:57 PM
    nonparametric, reporting results, reporting statistics, results
    • Replies: 0
    • Views: 376
    03-05-2016, 09:57 PM Go to last post
  19. Which SSR (Regression sum of squares) is theoretically larger?

    Dear all, I have 3 fitted lines: Y = b0 + (b1)X Y = (0.5)b0 + (b1)X Y = b0 + 0.5(b1)X Where and In addition to the the 3 equations...

    Started by UniApply‎, 03-03-2016 12:10 PM
    • Replies: 2
    • Views: 315
    03-03-2016, 12:57 PM Go to last post
  20. MANOVA or Multivariate Regression? please help clarify

    Hi, Really hope someone can confirm. I think I need to use Multivariate regression for this; - one group of N judges score N performances and...

    Started by GiantCorn‎, 03-02-2016 08:58 AM
    • Replies: 0
    • Views: 300
    03-02-2016, 08:58 AM Go to last post
  21. Two variable OLS Regression - using normal equations

    Hi, I am experiencing difficulties in understanding the following question; I have been assigned two variables (X and Y), and have been...

    Started by UniApply‎, 03-01-2016 01:32 PM
    linear regression, normal equations, ols regression, regression analysis, two variables
    • Replies: 0
    • Views: 367
    03-01-2016, 01:32 PM Go to last post
  22. Split file regression, or Fixed effects Mixed model

    Within a dataset that has a few variables explaining dependent variable A, and influences vary over different categories, it can be obvious to split...

    Started by joostvanvlimmeren‎, 03-01-2016 06:21 AM
    fixed effect, fixed effect model, mixed effect, regression, split file
    • Replies: 2
    • Views: 352
    03-01-2016, 07:40 AM Go to last post
  23. Cool Linear regression on data with standard deviations?

    (crossposting from here) I am trying to do many linear regressions on series of data points where each data point is associated with a standard...

    Started by Sosi‎, 02-29-2016 12:00 PM
    linear regression
    • Replies: 0
    • Views: 306
    02-29-2016, 12:00 PM Go to last post
  24. Regression Analysis for Paired Data SAS

    Hi Everybody, I want to analyze paired data using regression analysis to adjust for covariates. I used PROC MIXED statement in SAS and I modeled...

    Started by Mai Mehanna‎, 02-27-2016 08:34 PM
    • Replies: 6
    • Views: 695
    02-29-2016, 08:52 AM Go to last post
  25. Multivariate regression with paired samples?

    Hello, First time poster here. I have data from two groups of people recorded during two different conditions. I would like to study how the...

    Started by mnd‎, 04-02-2013 01:44 PM
    • Replies: 10
    • Views: 5,298
    02-27-2016, 11:51 PM Go to last post
  26. Association between categorical and numerical variables using R

    Hi, I am new to this forum so please be kind :-). Not sure if this belongs in 'R'. I will describe my problem as good as I can. First of all I am...

    Started by MasterStudent‎, 02-25-2016 07:43 AM
    chi square, general linear model, r commander
    • Replies: 5
    • Views: 661
    02-25-2016, 12:06 PM Go to last post
  27. Talking Ordinal logistic regression or linear regression?

    Hi Guys, just wondering if I could have your help pls. I have a sample size of 55 patients (of which 22 were subsequently diagnosed with Heart...

    Started by skaur‎, 02-25-2016 05:14 AM
    • Replies: 0
    • Views: 320
    02-25-2016, 05:14 AM Go to last post
  28. What is the difference between an interaction effect and a moderator in regression?

    I hear these two concepts a lot in the literature. I have no idea what the difference is between a moderator and an interaction term. While I am...

    Started by noetsi‎, 01-28-2016 01:56 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,488
    02-24-2016, 03:02 PM Go to last post
  29. Panel Data Regression Models!

    Hello mates! I am doing thesis (research) as part of my degree completion requirement. My topic is a general one ďCapital Structure and Corporate...

    Started by Jibran‎, 02-01-2016 01:58 PM
    • Replies: 1
    • Views: 459
    02-24-2016, 08:49 AM Go to last post
  30. Pearson correlation coefficient and Standard dev

    I know the basic interpretation of r. I.e., -1(<or =)r(<or=1). Critical values for n etc. However, while helping a research nursing student, her...

    Started by Joolz‎, 02-23-2016 09:02 AM
    • Replies: 0
    • Views: 309
    02-23-2016, 09:02 AM Go to last post
  31. Is this really independent

    I read an article today that made me wonder. They used linear regression to predict income at closure. One of their predictor variables was income...

    Started by noetsi‎, 02-22-2016 06:00 PM
    • Replies: 3
    • Views: 501
    02-22-2016, 09:33 PM Go to last post
  32. Ordinal predictors

    I know there was a thread on this. I could not find it. This is the type of issue that concerns me. These authors had an ordinal predictor that...

    Started by noetsi‎, 02-22-2016 11:44 AM
    • Replies: 8
    • Views: 585
    02-22-2016, 05:10 PM Go to last post
  33. Solving Multicollinearity Issues

    Dear Community, Currently I am modeling a multiple regression for a research project with Stata. I want to examine the influence of...

    Started by AntonR‎, 02-05-2016 09:53 AM
    • Replies: 11
    • Views: 983
    02-22-2016, 08:59 AM Go to last post
  34. Question Reporting results of nonparametric regression

    Hi! I am wondering how you present the results of non parametric regression test. I run the nonparametric regression using R, and the package np ...

    Started by nieve5552‎, 02-19-2016 08:51 PM
    nonparametric, regression, results, rstats, statistics
    • Replies: 1
    • Views: 486
    02-20-2016, 07:48 AM Go to last post
  35. Unhappy Help with Interactaction Assesment

    Hello! Can anyone explain why my Breslow-Day test for interaction was significant (p=0.0005) but my forward selection logistic regression test for...

    Started by Naxaris‎, 02-15-2016 07:58 PM
    • Replies: 7
    • Views: 699
    02-16-2016, 09:19 AM Go to last post
  36. Multiple Choice Question Answer

    Is there any materials with multiple choice answer for basic statistics? If yes, How can I get it?

    Started by Saroj Pokhrel‎, 02-16-2016 07:07 AM
    • Replies: 0
    • Views: 275
    02-16-2016, 07:07 AM Go to last post
  37. Lightbulb Multiple Regression to receive cost for a single item of an order

    Hi everybody, I appreciate any kind of help and tips: Problem: - I have a dataset with 1600 orders - For each of these orders I know the...

    Started by christoph_b‎, 02-03-2016 05:02 PM
    • Replies: 7
    • Views: 867
    02-15-2016, 04:29 AM Go to last post
  38. anova repeated measures with interaction term

    i hva been sitting here for 6 hours trying to figure out what i am doing wrong, but i cant figure it out. I am doing anova with repeated measures....

    Started by ama_nil‎, 02-12-2016 07:57 AM
    • Replies: 0
    • Views: 338
    02-12-2016, 07:57 AM Go to last post
  39. Effects of general participation and intensity of participation

    Exploring data from a quasi-experimental study, we want to investigate effects of general participation in a program (dichotomous; part_dich) aswell...

    Started by l.frei‎, 02-08-2016 05:30 AM
    general participation, participation intensity, quasi-experimental study
    • Replies: 5
    • Views: 781
    02-10-2016, 08:48 AM Go to last post
  40. Best way to treat integer/float column with null values in logistic regression

    Hi, I was wondering if anyone can assist me with this issue. I am building a logistic regression model to predict purchase or not purchase...

    Started by rodule‎, 02-04-2016 05:13 PM
    logistic regression, python, scipy
    • Replies: 1
    • Views: 416
    02-10-2016, 03:12 AM Go to last post
  41. Need Help for explain variables

    Hello Dear Members, I am doing a research on Corporate R&D and market capitalization with 5 variables. There in no co linearity between my study...

    Started by Usmanhcbf‎, 02-08-2016 02:08 AM
    • Replies: 3
    • Views: 473
    02-09-2016, 11:00 AM Go to last post
  42. Smile twoway ANOVA, post hoc test? New to statistics.

    This is probably easy, but this is new to me, hoping for some help here:tup:

    Started by ama_nil‎, 02-08-2016 05:44 AM
    anova, newbie
    • Replies: 1
    • Views: 386
    02-08-2016, 07:39 PM Go to last post
  43. Confidence bands for a linear regression with X and Y errors

    Dear all, I have been searching for a while without finding a solution, so I hope someone here can help. Here is my problem: I have (X, Y)...

    Started by quentin.flm‎, 02-05-2016 09:23 AM
    • Replies: 5
    • Views: 525
    02-08-2016, 05:29 AM Go to last post
  44. Bayesian multiple regression issue in R

    I am attempting to generate a multiple regression model using JAGS on R and my results deviate substantially from MCMCregress and lm. I ran out of...

    Started by micdhack‎, 02-03-2016 05:09 PM
    • Replies: 0
    • Views: 363
    02-03-2016, 05:09 PM Go to last post
  45. Correlation for Binary Target Variable

    Hi, Just need someone to do a sanity for me. In linear regression, one might want to transform (log, power, etc...) a continuous independent...

    Started by Oberon‎, 02-03-2016 12:01 AM
    • Replies: 0
    • Views: 350
    02-03-2016, 12:01 AM Go to last post
  46. How do I test the significance of my correlation coefficients for various regressions

    Hi, I have a set of 25 points and I used a TI-84 calculator to calculate the linear, quadratic, logistic, exponential, and power regression models...

    Started by JohnDoeMath‎, 02-02-2016 11:10 AM
    correlation analysis, p-value, regression analysis, regression model, significance
    • Replies: 0
    • Views: 304
    02-02-2016, 11:10 AM Go to last post
  47. New Linear Regression Approach - Link Here

    My company has just released a free software download that eliminates known issues associated with traditional techniques. The InoraRAE has a simple...

    Started by OmniBear‎, 02-02-2016 10:42 AM
    linear, regression
    • Replies: 0
    • Views: 262
    02-02-2016, 10:42 AM Go to last post
  48. Should you use Bonferonni for regression

    It is common to generate many models in regression and only report the final one. To me this suggests that you should use some correction like...

    Started by noetsi‎, 01-30-2016 02:52 PM
    • Replies: 10
    • Views: 850
    02-01-2016, 10:37 AM Go to last post
  49. [R] Shapley values and relaimpo

    Hello everyone! Iíve been pondering this question for some time. Iíve searched online and on this forum and I havenít found the answer to my...

    Started by gheorghiu.alexandra‎, 02-01-2016 10:25 AM
    regression analysis, shapley value
    • Replies: 0
    • Views: 311
    02-01-2016, 10:25 AM Go to last post
  50. Correlation and regression

    Hello, it would be nice if you could provide the appropriate theoretical steps for the following task: There is a shop which also operates a pub....

    Started by DZ8‎, 01-30-2016 08:00 AM
    • Replies: 0
    • Views: 368
    01-30-2016, 08:00 AM Go to last post
  51. ANCOVA coding of categorical covariates

    Hello all, I am running an ANCOVA in R (Anova function) to assess the results of a randomized experimental study. I have a 2x2 full factorial...

    Started by Mark77‎, 01-28-2016 05:57 PM
    ancova, categorical covariates, gender
    • Replies: 0
    • Views: 361
    01-28-2016, 05:57 PM Go to last post
  52. Trend analysis / regression model with missing data

    Hi, I want to apply a Poisson GLM to count data, analyzing trends. However, there are missing counts (i.e. missing values in the outcome variable)...

    Started by mmercker‎, 01-26-2016 07:18 AM
    imputation, missing data, regression analysis, trend analysis
    • Replies: 8
    • Views: 697
    01-28-2016, 09:19 AM Go to last post
  53. Likert Scale Survey_regression analysis

    Dear all, I am new in this, so please help - I am conducting a survey for my thesis using Likert method. Through this research survey I would like...

    Started by Monjurul‎, 01-25-2016 09:47 AM
    • Replies: 13
    • Views: 931
    01-28-2016, 06:13 AM Go to last post
  54. Simple Linear Regression

    Dear Experts, Q1) In simple linear regression: a) Under what situations will the estimates b0 and b1 not be well-defined? b) What is the...

    Started by Tony_Danny‎, 01-27-2016 10:12 PM
    • Replies: 2
    • Views: 565
    01-27-2016, 11:17 PM Go to last post
  55. Regression following MANOVA results

    Hi Stats Gurus, This question is about a regression analysis that I want to run, but I am not too familiar with this type of analysis. I have...

    Started by jarbski2‎, 01-27-2016 11:54 AM
    manova, regression analysis
    • Replies: 5
    • Views: 431
    01-27-2016, 01:18 PM Go to last post
  56. Regression on Survey analysis across 50 states

    I ran a survey across all 50 states in the US. The goal is to see if there is a correlation between people's love for the state and the population...

    Started by vkredi‎, 01-26-2016 12:11 PM
    multilevel analysis, regression, regression analysis, survey, survey analysis
    • Replies: 0
    • Views: 359
    01-26-2016, 12:11 PM Go to last post
  57. Can I use multivariate analysis without univariate analysis?

    Dear all, I have a problem in my data analysis and paper writing. Some variables (dependents) were not statistically significantly correlated...

    Started by celinetang‎, 04-02-2013 06:39 AM
    • Replies: 14
    • Views: 13,442
    01-26-2016, 11:08 AM Go to last post
  58. Can AIC values be combined?

    Hello! I have hunted far and wide on the net in an attempt to answer this. Essentially, I'm trying to combine two AIC scores from different parts...

    Started by Alaska15‎, 01-26-2016 12:45 AM
    aic, combining models, growth curve, logistic regression, nonlinear regression
    • Replies: 1
    • Views: 320
    01-26-2016, 04:10 AM Go to last post
  59. Interpreting coefficients in pooled cross-sectional data with cluster-dummies

    Data: pooled cross-sectional data. 6 countries. 3 years of cross sectional data (10 year gaps in between), with different samples of individuals in...

    Started by Stropharia‎, 01-25-2016 10:15 PM
    cross-sectional, fixed effects model, regression coefficients
    • Replies: 0
    • Views: 339
    01-25-2016, 10:15 PM Go to last post
  60. What to do about violations of assumptions

    This is one example of a larger topic Say you are doing logistic regression and you have influential data points. You can't use robust regression...

    Started by noetsi‎, 01-25-2016 12:53 PM
    • Replies: 9
    • Views: 612
    01-25-2016, 06:01 PM Go to last post

+ Post New Thread
Page 8 of 70 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 58 ... 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