Linked Questions

1 vote
1 answer
40 views

Interpretation of results of a regression analysis

Here're the results of a multi-variable regression analysis run by Stata to test the effects of the three factors on the price elasticity of supply, which is the dependent variable. The coefficients ...
Joanna's user avatar
  • 11
1 vote
1 answer
1k views

Significant coefficients but non-significant likelihood ratio test [closed]

Following a comment on this thread, I have a question about interpreting a logistic regression model with significant coefficients, but non significant likelihood ratio test. I have a super simple ...
becbot's user avatar
  • 91
1 vote
1 answer
192 views

Why R is not significant (and very low), while all predictors are significant? [duplicate]

I used a network logistic regression to regress five predictors against a dependent. They are all significant, instead the R is not significant and it's even very low. I can understand that it may be ...
Mark's user avatar
  • 41
1 vote
1 answer
2k views

p-value of t-test versus F-test(joint hypothesis) [duplicate]

SAS code : ...
jw.park.'s user avatar
1 vote
1 answer
8k views

How to explain significant correlation between independent and dependent variable but non significant regression test in the presence of mediation? [duplicate]

Possible Duplicate: Not-significant F but a significant coefficient in multiple linear regression In my research, I use Optimism as the IV, Job Satisfaction as the DV and Work-Family Enrichment ...
too's user avatar
  • 11
81 votes
0 answers
64k views

How can a regression be significant yet all predictors be non-significant? [duplicate]

My multiple regression analysis model has a statistically significant F value however all beta values are statistically non-significant. All the regression assumptions are met. No multicollinearity ...
Serene's user avatar
  • 811
4 votes
0 answers
3k views

Non-significant group effect, but LSD post hoc is significant. Why? [closed]

I am performing repeated ANOVAs in SPSS and came across something I don't understand. Basically, the main effect of group (I have three groups) is not significant (p = .062), but the LSD post hoc ...
Alexandre's user avatar
3 votes
0 answers
49 views

F test fails but t-test does not? [duplicate]

I'm a bit confused about this. I have a model with multiple variables trying to explain the dependent variable. When I use the F test, I don't pass the critical value. But when I seperate the ...
user avatar
3 votes
0 answers
61 views

If you know a factor is significant, what is a reason why R might think it's not? [duplicate]

I'm running a logistic regression model where anecdotally I expected age to be a very large factor. If you see from the charts I made in Excel before running the model through R, this is how the ...
Ryan's user avatar
  • 303
2 votes
0 answers
519 views

Could removing variables improve model prediction?

Coming from a machine learning background, I have long held the idea -throw in all variables and let regularization and cross validation fight against over-fitting. The reason I am posting this ...
denizen of the north's user avatar
1 vote
0 answers
44 views

Why is it possible to get insignificant F statistic (p>0.1) but significant regressor t-tests (p<0.1)? [duplicate]

My results show significant t-tests but an insignificant F-test. Is this possible or are my calculations wrong?
Ben's user avatar
  • 11
0 votes
0 answers
14 views

SPSS Output - My Omnibus Test is insignificant, but I have significant predictors [duplicate]

I ran a binary-logistic regression in SPSS. Block 1 shows that the Omnibus Tests of Model Coefficients is insignificant for step, block and model, p =1.06. However, I have two significant predictors ...
Bre Beaver's user avatar
0 votes
0 answers
61 views

How to explain the phenomenon that each coefficient is significant in multiple regression but not significant as simple regression [duplicate]

We know that in linear regression, when each coefficient is not significant in multiple regression but significant as a simple regression, it is most likely the reason of ...
user6703592's user avatar
  • 1,225
0 votes
0 answers
41 views

Insignificant OLS results but significant IV regression results [duplicate]

I do a regression (Y is a dependent variable and X is an independent variable) OLS gets insignificant results, while the IV regression gets significant results. I based on literature to suggest X is ...
minh minhaof's user avatar
0 votes
0 answers
20 views

Can an F-Test be worse than the two single T-Tests? [duplicate]

Normally when conducting an F-Test one is hoping the F-Test of all variables is significant although the single T-Tests yield insignificant results. But can the reverse also be true? That is a worse ...
Ben's user avatar
  • 11

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