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Apr
9
comment Discrete distribution fitting
@whuber, It means I have to use mixture models and I can not fit my data with famous discrete distribution. Because Just for generalization, I want to simulate large sample data from a famous discrete distribution.
Apr
8
revised Discrete distribution fitting
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Apr
8
revised Discrete distribution fitting
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Apr
8
comment Discrete distribution fitting
My sample size is 291. why always my critical value is less than t-statistic of GOF tests?
Apr
8
asked Discrete distribution fitting
Mar
22
awarded  Notable Question
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3
awarded  Popular Question
Jun
6
awarded  Supporter
Jun
4
accepted Minimum number of observations for multiple linear regression
Jun
3
comment Methods to find the relationships between independent and dependent variables instead of regression
@macro: my observation is 21 and my variables are 5.my complete question is my previous question stats.stackexchange.com/questions/29612/…
Jun
3
awarded  Scholar
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awarded  Student
Jun
2
revised Methods to find the relationships between independent and dependent variables instead of regression
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Jun
2
asked Methods to find the relationships between independent and dependent variables instead of regression
Jun
1
revised Minimum number of observations for multiple linear regression
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Jun
1
comment Minimum number of observations for multiple linear regression
But regarding the most important independent variable I agree more with @Ben Bolker .Now is it the correct conclusion (t-test suggest me variable 4and 5 are significant but according to CIs only variable 5 is important)?
Jun
1
comment Minimum number of observations for multiple linear regression
From the discussions I think due to lack of enough observation and absence of the most important independent variable in my data set I must get conclusion: 1-The significant variables are not the variable which has passed the t-test. The significant one is one which passes the t-test and its confidence interval is not including 0. 2-The normality of residual must be checked. 3-The correlation matric must be checked.
Jun
1
revised Minimum number of observations for multiple linear regression
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Jun
1
comment Minimum number of observations for multiple linear regression
Thanks for the comment, but I don’t understand what the point of checking confidence interval is?
Jun
1
comment Minimum number of observations for multiple linear regression
Thank for your suggestion . I added my correlation matrix. Do you think with this correlation matrix doing regression is reasonable? Just emphasize that I cannot collect more data and also I don’t want to model or predict. Just I want to find any possible relation between independent variables and dependent variable.