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Forum: Regression Analysis

Linear regression, linear models, nonlinear regression

  1. 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: 708
    04-11-2017, 02:20 PM Go to last post
  2. The DV is binary, and two IVs are times series data, how to do regression?

    Hi guys, please help!!!! I want to do regression on a data having such fields: Loan_number Date default_nextmonth Unemployment_rate ...

    Started by Zhenni Li‎, 07-28-2011 12:42 PM
    • Replies: 1
    • Views: 2,059
    07-29-2011, 09:34 PM Go to last post
  3. Correcting lack of fit

    I have a very simple data set with a single regressor that has all negative values. The data set provides no context, only values. When testing...

    Started by zicke01‎, 10-20-2012 03:18 PM
    • Replies: 4
    • Views: 2,042
    10-21-2012, 02:01 PM Go to last post
  4. Question Using Odd values for variable selection in logistic regression

    Hello, I have a question about independent variables selection when a logistic regression is used as classification method. Is it an acceptable or...

    Started by Ziyad‎, 09-22-2010 12:05 PM
    • Replies: 0
    • Views: 2,679
    09-22-2010, 12:05 PM Go to last post
  5. Regression fitted values

    I'm working with a dataset that I'm using to model total biomass (which was a variable created by adding three components of biomass). I also modeled...

    Started by zlj.pr‎, 05-05-2013 05:20 PM
    • Replies: 3
    • Views: 2,667
    05-07-2013, 07:12 PM Go to last post
  6. Statistics Regression Question

    I need help with this question! The graph is in the picture below! A popular, nationwide standardized test taken by high-school juniors and...

    Started by zolton5971‎, 03-05-2015 09:56 AM
    • Replies: 5
    • Views: 2,478
    03-07-2015, 02:40 PM Go to last post
  7. Logisitic regression with ranked independent variables

    Hi all, This is my first post, so be gentle. I have the following type of data: ----------------------------- Data Set-1 DV......

    Started by zompano‎, 06-12-2012 04:36 PM
    • Replies: 0
    • Views: 2,404
    06-12-2012, 04:36 PM Go to last post
  8. Greatest impact prediction

    Hi, please i have one Question. If i have this results (Stepwise method) Can i say: 1) Better for predict Y is model 4 2) Regression...

    Started by zonicek‎, 03-29-2012 04:52 PM
    • Replies: 1
    • Views: 1,340
    03-31-2012, 12:39 AM Go to last post
  9. out of sample

    Hi There I have 2500 data with 2 sample. one index and another stock. i've done goodness of fit and regression analysis on it.now I've been asked to...

    Started by Zore‎, 05-25-2016 08:36 PM
    • Replies: 3
    • Views: 1,058
    05-30-2016, 07:05 AM Go to last post
  10. Combining various prediction equations.

    Hello all, I have been looking for a method to combine various linear prediction equations. These equations predict the same quantity but...

    Started by zoulzubazz‎, 06-21-2013 01:01 PM
    • Replies: 5
    • Views: 1,584
    07-05-2013, 12:55 PM Go to last post
  11. Need help on ( unadjusted and adjusted w / 95% cl) odds ratio

    I am doing Logistic regression on spss. My dependent variable is test result (+ or -) independent variables are Age and Gender (M,F). How can i get...

    Started by zqkal‎, 01-30-2012 01:24 PM
    • Replies: 1
    • Views: 6,635
    01-30-2012, 01:26 PM Go to last post
  12. Question Factor scores as independent variables in multiple regression

    I'm checking that I have understood this right. Factor scores must be achieved via oblique rotation, because factor scores must be allowed to...

    Started by zxc‎, 04-19-2016 11:25 AM
    • Replies: 0
    • Views: 814
    04-19-2016, 11:25 AM Go to last post
  13. transform y to log(y)

    Hi, I'm wondering what kind of data is appropriate for transforming the response y into log(y)? ( So the model becomes log(y)= a^x1 +...

    Started by zzzc‎, 10-22-2010 08:12 PM
    • Replies: 10
    • Views: 7,291
    11-08-2010, 01:43 PM Go to last post
  14. stating the model (logistic) in my report

    Hi, Sorry this might seem like silly question. But I'm wondering whats the conventional way of stating the logistic binary model when writing up...

    Started by zzzc‎, 10-29-2010 01:14 PM
    • Replies: 1
    • Views: 2,002
    10-30-2010, 08:56 AM Go to last post
  15. Simulated response

    Hi, I have a bunch of simulated predictors and the assumed coefficients that I'm going to use. Now I need to simulate the response Y = b0 +...

    Started by zzzc‎, 10-29-2010 05:44 PM
    • Replies: 1
    • Views: 3,070
    10-29-2010, 06:49 PM Go to last post
  16. Observing relationships through regression.

    Hi all - I hope this is in the right sub-forum... I have a question regarding regression and working out the relationship between two variables....

    Started by _Alex_‎, 11-29-2011 12:24 PM
    • Replies: 8
    • Views: 2,815
    11-30-2011, 04:37 PM Go to last post
  17. General Linear Model issues.

    Again, I hope this is in the correct sub-forum. Having had some very useful advice for my first issue, I thought I might post my second problem, this...

    Started by _Alex_‎, 11-30-2011 05:29 PM
    • Replies: 2
    • Views: 5,836
    12-01-2011, 07:32 PM Go to last post
  18. Interpreting Interaction Terms

    I am working on a regression analysis problem where we have to see if there is an interaction between two of the independent (X) variables. I run...

    Started by _IT_Not_Stats_‎, 11-29-2011 04:00 PM
    • Replies: 3
    • Views: 1,967
    11-30-2011, 12:26 PM Go to last post
  19. Relationship between Pearson correlation and variance in regression model

    If the correlation between X and Y, say, is 0.5, then the standard deviation of the differences between the Y values and their predicted values on...

    Started by _joey‎, 08-12-2012 08:50 PM
    • Replies: 14
    • Views: 8,077
    08-12-2012, 11:33 PM Go to last post

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