1. 10-14-2010
    Views:
    36,694
+ Post New Thread
Page 19 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 28 29 30 31 32 33 34 35 36 37 38 69 ... LastLast
Threads 1081 to 1140 of 4187

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. Probing of interaction effect with MODPROB (Preacher & Hayes)

    Hello everyone, I have a result that I cannot quite understand. I have the following equition Y: Regret X: curiosity M: 2 conditions (0=...

    Started by Livdndri‎, 10-14-2014 08:36 AM
    • Replies: 1
    • Views: 704
    10-14-2014, 11:24 AM Go to last post
  2. positive loglikelihood?

    It seems to be no issue to have positive log likelihood in linear regression. How should I however interpret two positive LLs? In normal situation...

    Started by arkiaamu‎, 10-11-2014 07:45 AM
    • Replies: 1
    • Views: 1,071
    10-11-2014, 10:07 AM Go to last post
  3. Is poisson regression appropriate?

    This is more of a general stats question regarding the best procedure to answer my question of interest. I started to address it using poisson...

    Started by mrlang02‎, 10-10-2014 02:22 PM
    poisson regression
    • Replies: 0
    • Views: 802
    10-10-2014, 02:22 PM Go to last post
  4. Regression with cointegrated time series data

    Hello, I am studying a predator-prey relationships using field data collected biannually over 5 years. For example, here is some abundance data: ...

    Started by marshmugger‎, 10-04-2014 05:36 AM
    autocorrelation, time series regression
    • Replies: 3
    • Views: 1,342
    10-10-2014, 01:08 PM Go to last post
  5. Regression when IV are part of DV

    I have a DV that is made up of 7 IV. If you combine the IV you get the DV. I want to know the relative impact of each of the IV on the DV (relative...

    Started by noetsi‎, 10-09-2014 11:29 AM
    • Replies: 7
    • Views: 1,142
    10-10-2014, 01:02 PM Go to last post
  6. Appropriateness of semi-partial correlation squared when there are 10 predictors?

    Hi all, I'm conducting multiple regression with a regression model consisting of 10 predictors (4 of which are key study variables, the remainder...

    Started by thematfactor‎, 10-10-2014 12:39 AM
    • Replies: 0
    • Views: 611
    10-10-2014, 12:39 AM Go to last post
  7. Help interpret Odds Ratio for Age in logistic regression

    For the following results, am I correct in stating, for example, that men with children less than 16 years old are less likely to not complete...

    Started by jmhbot‎, 10-07-2014 11:21 AM
    • Replies: 9
    • Views: 1,215
    10-09-2014, 06:36 PM Go to last post
  8. Question about modeling public behavior

    I signed-up for this site hoping someone might be able to help me with a question I've been struggling with. I'm currently building a model that...

    Started by travisvox‎, 10-09-2014 01:36 PM
    • Replies: 3
    • Views: 766
    10-09-2014, 02:37 PM Go to last post
  9. Help, regression analysis for unbalanced data set

    Hi, guys, I need test whether a gene is differentially expressed between two groups, for example, In group 1, we have species A, species B,...

    Started by owomo‎, 10-08-2014 09:19 PM
    • Replies: 0
    • Views: 606
    10-08-2014, 09:19 PM Go to last post
  10. Feedback Questions (Robust)

    Dear all, Have recently had some high level feedback on a regression study. "How robust is your empirical results? I would like to see some...

    Started by richieboy‎, 10-05-2014 04:34 AM
    • Replies: 1
    • Views: 720
    10-05-2014, 05:31 AM Go to last post
  11. How to reduce variables in multiple linear regression when multicollinearity present?

    Good morning, afternoon, evening to everyone. First and foremost, this is my innaugural post so I hope I am following all of the recommended...

    Started by heyblinkin‎, 10-03-2014 03:40 PM
    • Replies: 6
    • Views: 1,287
    10-04-2014, 10:47 AM Go to last post
  12. Mixed models can variable be both fixed and random

    I am conducting an analysis over multiple subjects over several sessions with two types of controls. I want to conduct a mixed model analysis to...

    Started by Phdstudentz‎, 10-02-2014 12:42 PM
    fixed effect, longitudinal data, mixed effect models, random effect
    • Replies: 0
    • Views: 873
    10-02-2014, 12:42 PM Go to last post
  13. range of tuning parameters

    Hi All, I have just started my advanced statistics study. And here is one thing I have not been able to understand for long time -- how can we...

    Started by bettertony‎, 10-01-2014 02:40 PM
    cross validation, linear regression, regression, regularization, tuning, tuning parameter
    • Replies: 6
    • Views: 1,213
    10-01-2014, 07:09 PM Go to last post
  14. Probability of Predicted Values

    As I am still just learning regression and other advanced statistical analysis techniques, I have run into a question that I need help with. My Boss...

    Started by ccooper‎, 10-01-2014 07:51 AM
    gbm, prediction interval, prediction limits
    • Replies: 2
    • Views: 749
    10-01-2014, 02:08 PM Go to last post
  15. Understanding ordinal regression

    Hi! This is a really simple question, but one for which the answer continues to elude me! I understand that in a binary logit regression the...

    Started by Bfernandez‎, 10-01-2014 11:08 AM
    ordinal regression, regression analysis, regression coefficients
    • Replies: 0
    • Views: 722
    10-01-2014, 11:08 AM Go to last post
  16. Binary IV and ordinal DV, suggestions for a model?

    Hi guys! Just started at a new company having graduated this year, theyve got me analysing data and producing some key driver analytics. Thing is,...

    Started by Bfernandez‎, 09-19-2014 11:20 AM
    • Replies: 4
    • Views: 1,215
    10-01-2014, 03:57 AM Go to last post
  17. Time series forecasting

    Can any one explain how to forecast volatility in stock markets using auto-regressive models like TARCH, EGARCH etc.

    Started by timeseries‎, 09-30-2014 09:22 AM
    • Replies: 0
    • Views: 634
    09-30-2014, 09:22 AM Go to last post
  18. Interpreting transformations

    Say you transformed an X and Y in a regression model and you find that after the transformations X is signficant. Does this mean that the original X...

    Started by noetsi‎, 09-25-2014 11:07 AM
    • Replies: 2
    • Views: 812
    09-30-2014, 04:37 AM Go to last post
  19. whole data vs training/test data

    I have time series data of about 150 sample and 8 variables. It is used to generate a interaction network, whose exact structure is not known yet. ...

    Started by ice‎, 09-29-2014 02:41 PM
    non linear regression, validation
    • Replies: 1
    • Views: 740
    09-30-2014, 04:32 AM Go to last post
  20. Question Compute time to sell (with 50% probability) at Price P from linear regression

    I think this is a very basic question (from a total stat newbie). I'm trying to understand a problem I was given (I'm not a statistics student). It's...

    Started by mellema‎, 09-28-2014 11:30 PM
    linear regression, probability
    • Replies: 0
    • Views: 563
    09-28-2014, 11:30 PM Go to last post
  21. Small sample cross-sectional regression: different levels

    I have a small sample of about 50 firms, clustered in 20 countries. The main explanatory variables of interest are all firm-specific, as well as...

    Started by wilswine‎, 09-27-2014 09:43 AM
    cross sectional, ols regression
    • Replies: 0
    • Views: 719
    09-27-2014, 09:43 AM Go to last post
  22. Linear Regression

    Please see this link: http://www.statisticsforum.com/showthread.php?p=4240#post4240

    Started by DDD‎, 09-25-2014 01:56 PM
    • Replies: 4
    • Views: 1,201
    09-25-2014, 04:28 PM Go to last post
  23. Delogging variables

    Hey, I have run a multiple regression. DV is change in the log of assets Parameter Expected Sign Parameter (T stat) Chlnx ...

    Started by iloveireland‎, 09-25-2014 03:18 AM
    • Replies: 0
    • Views: 737
    09-25-2014, 03:18 AM Go to last post
  24. Scaling variables in regression

    If you need to scale variables in order to get the correct effect size and beta weight for each variable, does this mean you also scale for both...

    Started by bcrider‎, 09-24-2014 12:32 AM
    categorical data, r program, regression analysis, scaling
    • Replies: 3
    • Views: 1,131
    09-24-2014, 03:30 PM Go to last post
  25. Multinomial Logistic Regression

    I have run a multinomial logistic regression looking to see if being a member of two different groups predicts group membership to 5 categories. I...

    Started by mlb‎, 09-24-2014 05:26 AM
    goodness of fit, logistic regression, regression
    • Replies: 0
    • Views: 621
    09-24-2014, 05:26 AM Go to last post
  26. Pairwise logistic regression - which trait is the dependent trait?

    Hi All, Could someone explain the reasoning behind choosing the dependent trait in pairwise logistic regression of two categorical traits. My...

    Started by lel7lel7‎, 09-22-2014 08:11 PM
    binary dependent variable, logistic regression
    • Replies: 0
    • Views: 744
    09-22-2014, 08:11 PM Go to last post
  27. Bivariate with Normal Probability plots.

    This is more of a conceptual question for a problem that I'm working on. My professor is asking questions about normal probability plots and I can't...

    Started by SilverStars‎, 09-22-2014 04:20 PM
    • Replies: 0
    • Views: 604
    09-22-2014, 04:20 PM Go to last post
  28. Need help with Linear regression model

    Hi, Need help to develop a model for the data set. I have attached a copy of all the variables with their parameter estimates and the p value. ...

    Started by Shashank Prasad‎, 09-22-2014 01:44 PM
    • Replies: 0
    • Views: 561
    09-22-2014, 01:44 PM Go to last post
  29. Regression model advice: 1 continuous DV, 2 binary and 1 continuous IV

    Hi- I'm trying to build a model to forecast/predict a continous dependant variable based on several predicting variables. 1 of them is categorical...

    Started by kdedrick‎, 09-22-2014 11:22 AM
    • Replies: 0
    • Views: 785
    09-22-2014, 11:22 AM Go to last post
  30. Multivariate linear regression analysis (multiple dependent variable, one independent

    I am trying to determine the reason why(and how many) people with health insurance do not fully use all of its benefits(like free flu vaccines). I am...

    Started by p_s‎, 08-03-2014 11:18 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 75
    • Views: 8,962
    09-21-2014, 06:00 AM Go to last post
  31. Overdispersions and logistic regression

    Note the following comment on this: I have never been clear what the difference between grouped and ungrouped data is. My elements, notably...

    Started by noetsi‎, 09-19-2014 09:26 AM
    • Replies: 8
    • Views: 1,433
    09-20-2014, 08:04 AM Go to last post
  32. Adjusted R-squared

    Hi, I have a few questions. If I am doing linear regression with only one independent variable, is it ever viable to present an adjusted...

    Started by haralds‎, 09-18-2014 01:57 PM
    bootstrap simulation, linear regression
    • Replies: 6
    • Views: 1,253
    09-19-2014, 09:55 PM Go to last post
  33. Testing whether two related slopes/intercepts are different from each other

    Hi, I'm new and stuck. I want to see if the intercepts and slopes of two linear regression lines are significantly different. I thought I found...

    Started by Proinsias‎, 09-18-2014 08:39 PM
    intercept, intercept p value, linear regression, mancova, significance
    • Replies: 10
    • Views: 1,646
    09-19-2014, 01:43 AM Go to last post
  34. how to calculate R values

    Hello members, I have no of observation (n), no of predictors(k) and stand error of estimation(se). Can it be possible to calculate R or RSquare...

    Started by sb1‎, 09-18-2014 07:47 AM
    • Replies: 1
    • Views: 659
    09-18-2014, 11:31 AM Go to last post
  35. Question Coefficient of determination interpretation

    Hey guys, this my first post in here so hello everyone:) I have a question regarding the coefficient of determination. Wikipedia says: An...

    Started by bgst‎, 09-09-2014 07:51 AM
    • Replies: 4
    • Views: 1,208
    09-17-2014, 04:58 PM Go to last post
  36. Assumption of Linearity not fulfilled - what to do?

    Dear All, I want to conduct a moderated hierarchical regression. I have 3 IVs and one moderator. I started to test the underlying assumptions of...

    Started by bluemuly‎, 09-17-2014 06:02 AM
    • Replies: 1
    • Views: 1,511
    09-17-2014, 02:53 PM Go to last post
  37. Help to prove the relationship of regression coefficients of total data and sub-data

    Hello, The regression of total data set is:Y=aX+b0 The total data set is divided to two data sets. The regressions of the two sub data sets are:...

    Started by Samuel1204‎, 09-15-2014 12:34 PM
    • Replies: 8
    • Views: 1,310
    09-16-2014, 11:44 PM Go to last post
  38. Geometric Slope

    I am reading a paper that in the "Methods", it is only stated multiple linear regression conducted. In the results it reports the "geometric slopes"...

    Started by hlsmith‎, 09-15-2014 11:29 AM
    • Replies: 2
    • Views: 736
    09-15-2014, 11:57 AM Go to last post
  39. Exclamation Interpretating poisson regression output correctly to wirte in results from R

    Hi. I've done a poisson regression on count data in r. I need to write up the results for it but have very little idea where to start because the p...

    Started by Francesca.123‎, 09-14-2014 07:13 AM
    glm regression, output, poisson, r-statisitcs, results
    • Replies: 0
    • Views: 965
    09-14-2014, 07:13 AM Go to last post
  40. Question Regression with 0 intercept

    Hi, I'm taking a regression analysis class and its been a while since I took calc (a few years ago) and Im having some trouble with doing proofs of...

    Started by SilverStars‎, 09-13-2014 02:06 PM
    • Replies: 3
    • Views: 945
    09-14-2014, 12:51 AM Go to last post
  41. regression or remosre??!!

    what are the differences between remorse and regression????????????????????

    Started by haraharae‎, 09-12-2014 12:51 PM
    • Replies: 8
    • Views: 1,104
    09-13-2014, 05:19 AM Go to last post
  42. Preliminary Analysis in MultiLevel Analysis

    Hallo there, my name is David. I am currently trying to do a multi level analysis. I am attempting a simple multilevel analysis. One of my...

    Started by David_D‎, 09-13-2014 03:33 AM
    • Replies: 0
    • Views: 633
    09-13-2014, 03:33 AM Go to last post
  43. Analytical solution to correlation between two linear combinations of values

    Greetings, Suppose I have two linear combinations of values as follows: Y1 = B11*X1 + B12*X2 + B13*X3 Y2 = B21*X1 + B22*X2 + B23*X3 where...

    Started by BigBugBuzz‎, 09-12-2014 03:39 AM
    analytical solution, correlation
    • Replies: 3
    • Views: 823
    09-12-2014, 02:00 PM Go to last post
  44. Smile Logistic regression vs GLMM

    Hello, I'd like to ask you for help with a choice of correct model for my analysis. Here is the problem: 1.) I should find out whether the risk of...

    Started by Heisenberg1‎, 09-11-2014 05:00 AM
    • Replies: 0
    • Views: 642
    09-11-2014, 05:00 AM Go to last post
  45. Smile non linear least squares

    Hi everybody. I need some help with this: I am fitting some data about mortality to some hazard funtions like weibulll, lognormal, logistic...

    Started by sanmath‎, 09-10-2014 09:33 PM
    #non linear least squares
    • Replies: 0
    • Views: 571
    09-10-2014, 09:33 PM Go to last post
  46. Choice of final model

    There are many strategies for selecting a final model (and which variables are in the final model will likely influence the SE and the coefficients)....

    Started by noetsi‎, 09-09-2014 10:12 AM
    • Replies: 11
    • Views: 1,423
    09-10-2014, 11:55 AM Go to last post
  47. Correlation for different level of volatility

    Hi, I need to estimate correlation between 2 variables across quantiles of volatility (volatility is an independent variable).. I want to show how...

    Started by Nour‎, 09-09-2014 11:37 AM
    • Replies: 0
    • Views: 710
    09-09-2014, 11:37 AM Go to last post
  48. Probability distribution of a prediction

    Hi all, I'm a newbie here so apologies if I missed a similar thread. Looked for it, but couldn't find it. Let's say I've estimated a linear model...

    Started by tetrapod‎, 09-09-2014 08:28 AM
    • Replies: 0
    • Views: 587
    09-09-2014, 08:28 AM Go to last post
  49. Question Interpretation of interaction variables

    Hi everyone I have two datasets A and B with mutually exclusive observations and I run two identical regressions (x = y) for A and B each...

    Started by gsgcharles‎, 09-08-2014 11:20 PM
    • Replies: 0
    • Views: 588
    09-08-2014, 11:20 PM Go to last post
  50. cox regression

    I am new to this method, so I started this thread for questions on it. :p Some discussions of Cox treat it as a counting process and others do...

    Started by noetsi‎, 09-08-2014 08:35 AM
    • Replies: 4
    • Views: 1,004
    09-08-2014, 02:16 PM Go to last post
  51. Poisson regression

    Hello, im analyzing an article for my studies with the hypothesis if a change in work motivation ist related with a change in mental well being...

    Started by mia maria‎, 09-08-2014 10:06 AM
    • Replies: 0
    • Views: 592
    09-08-2014, 10:06 AM Go to last post
  52. compare beta subgroup from total group - two dummy variables

    My plain regression looks as follows: tendaystockreturn = alpha + beta * dummy variable that takes a value of 1 in case a director purchases...

    Started by smoyf1992‎, 09-04-2014 01:42 PM
    dummy compare inter
    • Replies: 1
    • Views: 723
    09-04-2014, 01:47 PM Go to last post
  53. Simple Linear Regression with Transformed Variables

    I ran a simple linear regression (length of stay predicts cost). I natural log transformed both the dependent and independent variables. I am...

    Started by hlsmith‎, 09-02-2014 03:36 PM
    • Replies: 3
    • Views: 957
    09-03-2014, 05:49 AM Go to last post
  54. Supervised learning on sporting events (Data prep)

    I'm playing around with the prediction of sporting events, my data looks something like this. A single row for each team and the stats. Team ...

    Started by qwirky64‎, 09-01-2014 03:55 AM
    • Replies: 2
    • Views: 602
    09-02-2014, 01:42 AM Go to last post
  55. Can the PCA scores be used as variables in multiple linear regression

    Hello, I used PCA to reduce the dimensions of a data set of 10 variables into 2 principal components (describing 82% of variance in data set of 10...

    Started by Deccantraps‎, 08-27-2014 06:49 PM
    multiple regression, pca
    • Replies: 6
    • Views: 1,236
    08-31-2014, 04:04 AM Go to last post
  56. Confused: Mixed model, step-wise regression, testing for random effects

    Dear all, I want to perform a MLR (mixed model) on a data set (details below) that has both numeric and categorical explanatory variables. The...

    Started by Deccantraps‎, 08-30-2014 04:53 AM
    mixed model, mlr
    • Replies: 0
    • Views: 608
    08-30-2014, 04:53 AM Go to last post
  57. Regression Using Interaction Terms - PANEL DATA

    Good afternoon, I am working with a panel data with more than 2000 observations and only two years. My topic is on "Full Risk Insurance" in...

    Started by Guy Salgado‎, 08-29-2014 01:02 PM
    index variable, interaction terms, interaction variables, panel fixed effects, regression coefficients
    • Replies: 0
    • Views: 702
    08-29-2014, 01:02 PM Go to last post
  58. Mixed Model Regression in SPSS

    Hello, I have a random group of participants that answered questions on a survey regarding their general opinions on specific health activities....

    Started by nicoled3145‎, 08-28-2014 07:58 AM
    fixed effects regression, mixed models, random effects regression, regression, spss
    • Replies: 0
    • Views: 639
    08-28-2014, 07:58 AM Go to last post
  59. Pasimonious Model for Neural Networks forecasting, I am really confusing.

    Hello People I recently studied Neural Networks forecasting and some interesting question arose while I am reading various articles on the net. ...

    Started by auto9817‎, 08-27-2014 06:56 PM
    • Replies: 0
    • Views: 484
    08-27-2014, 06:56 PM Go to last post
  60. Use of factor analysis + regression

    Independent Variable: I have a survey of 50 states indicating the amount of control the state board of education has in 31 areas answered on a three...

    Started by cynicalflyer‎, 08-19-2014 11:49 AM
    • Replies: 6
    • Views: 1,290
    08-26-2014, 05:15 PM Go to last post

+ Post New Thread
Page 19 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 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