1. Announcement:
    Want access to a chatbox?
    Dason ‎(Devorador de queso)
    05-10-2017
    Views:
    1,791
+ Post New Thread
Page 73 of 73 FirstFirst ... 23 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
Threads 4321 to 4336 of 4336

Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. [newbie dumb question] Why is that the assumption of E(u)=0 essential for interences?

    If E(u)=0 is violated, how would it affect the inference of parameters, such as by using t-statistics? My understanding is that if E(u)=0 is...

    Started by elton.li‎, 02-09-2011 06:02 PM
    • Replies: 3
    • Views: 5,299
    02-10-2011, 12:27 AM Go to last post
  2. [ols] what is cov(xbar, bhat)?

    For a linear regression, y(i) = a + b x(i) + e(i), what is cov(xbar, bhat), ie, the covariance between the sample mean of x, xbar, and the ols...

    Started by :-)‎, 04-28-2014 07:51 AM
    covariance, ols, regression
    • Replies: 1
    • Views: 2,113
    04-28-2014, 08:34 AM Go to last post
  3. [Optimization Ė Solver] Good model fit, but wrong standard deviation coefficients

    Dear reader, I am facing an optimization problem and, at this point, I need help from someone with more knowledge than me. My goal: For a...

    Started by cgmac‎, 04-08-2013 04:54 PM
    excel, non-linear regression, optimization, solver, solvstat
    • Replies: 1
    • Views: 22,741
    04-08-2013, 04:59 PM Go to last post
  4. [Probit] Can I be confident in my results even with a poor Goodness-of-Fit test?

    I am running a probit analysis on a data set with about 1000 cases, predicting probability of college graduation by a set of college institutional...

    Started by DavidBill‎, 02-18-2011 01:08 PM
    • Replies: 3
    • Views: 4,281
    02-18-2011, 03:27 PM Go to last post
  5. Smile [REGRESSION - REPEATED MEASURES] testing interactions with criterion scaling

    Hello everyone, I have a question about the criterion scaling method of analysing repeated-measures designs (Pedhazur, 1977). As far as I...

    Started by Lara333‎, 02-03-2012 11:11 AM
    • Replies: 0
    • Views: 1,826
    02-03-2012, 11:11 AM Go to last post
  6. Post [R] Between subjects repeated measures ANOVA help. Level: Novice.

    Dear community, I am fairly new to the field of statistics and R and I apologise if my problem seems to be too basic. In my research I have...

    Started by pickle‎, 02-17-2013 09:25 AM
    3 Pages
    1 2 3
    • Replies: 40
    • Views: 9,087
    03-02-2013, 09:23 PM Go to last post
  7. [R] Difference between regression lines significant?

    Hi, I'm a PhD student researching processes of technology maturation. For this purpose I collected patent data which I want to use to...

    Started by Fiete‎, 06-10-2013 09:24 AM
    • Replies: 1
    • Views: 1,820
    06-11-2013, 11:35 PM Go to last post
  8. [R] How to calculate Confidence Interval for a prediction using Partial Regression?

    Dear all, I have two highly correlated variables (y and x), and both of them depend on a third variable (A, for Area). Multiple regression...

    Started by Dani DQ‎, 06-11-2012 06:15 PM
    • Replies: 0
    • Views: 1,641
    06-11-2012, 06:15 PM Go to last post
  9. [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: 1,085
    02-01-2016, 10:25 AM Go to last post
  10. [R]: ROC curve after fitting a logistic model to a new datset

    Hello, I have fitted a Logistic Regression model (with 1 binary DV, and several IVs), and then I fitted it to a new dataset using the function...

    Started by gianmarco‎, 01-22-2016 08:24 AM
    • Replies: 5
    • Views: 1,405
    01-23-2016, 06:45 AM Go to last post
  11. [SPSS - Logistic Regression] Resolve the linearity of logit assumption

    I am running a logistic regression and my income variable violates the linearity of the logit assumption. It is not negatively effecting the...

    Started by kdiallo11‎, 05-02-2015 03:37 PM
    linearity of logit, logistic regression, regression assumption
    • Replies: 3
    • Views: 4,660
    05-06-2015, 08:42 AM Go to last post
  12. [SPSS] Multivariable logistic regression - how to transform to achieve linearity?

    Hi, I am doing a project to identify variables that can predict rehospitalisations. There are a few categorical and continuous variables that I...

    Started by Odd90‎, 07-20-2013 05:28 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 14,599
    08-12-2013, 07:05 PM Go to last post
  13. [Stata - Regression with categorical variables correlated] Multicollinearity

    Hello! I'm currently working on my thesis and I have a problem. I'm doing a regression where many variables are categorical ones (profession,...

    Started by cquetstr‎, 06-20-2014 06:16 AM
    categorical variables, regression, stata 11
    • Replies: 5
    • Views: 3,189
    06-21-2014, 08:25 AM Go to last post
  14. Question [stata] interaction terms in conditional logit

    Dear all, There is a famous paper by Norton et al. (2003) which describes why stata's wrong about interaction terms in logit regressions. They...

    Started by Erold‎, 05-07-2014 09:08 AM
    buis, interaction term, logit, norton
    • Replies: 2
    • Views: 3,576
    05-08-2014, 04:23 AM Go to last post
  15. [Violation] Hosmer & Lemeshow - Binary Logistics Regression

    I want to analyze some factors which contribute to smoking behavior in teenager and young adult. These are my variables: y = smoking status...

    Started by sg2kilo‎, 07-16-2012 09:14 AM
    hosmer and lemeshow
    • Replies: 5
    • Views: 2,589
    07-17-2012, 07:05 PM Go to last post
  16. \hat{SE}(coefficient) OR SE(\hat{coefficient})?

    Hi all, Typesetting a table at the moment and would like to know which is correct for the standard error, given the population model Y_t = a + b...

    Started by derksheng‎, 08-10-2012 09:08 AM
    • Replies: 6
    • Views: 2,557
    08-10-2012, 01:53 PM Go to last post

+ Post New Thread
Page 73 of 73 FirstFirst ... 23 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

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