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Sympa
  • Member for 14 years, 3 months
  • Last seen more than 2 years ago
79 votes
9 answers
43k views

If A and B are correlated with C, why are A and B not necessarily correlated?

24 votes
1 answer
8k views

Why use ANOVA at all instead of jumping straight into post-hoc or planned comparisons tests?

16 votes
3 answers
4k views

Do some of you use Google Docs spreadsheet to conduct and share your statistical work with others?

14 votes
3 answers
26k views

How to detect when a regression model is over-fit?

11 votes
3 answers
797 views

How to detect which one is the better study when they give you conflicting results?

9 votes
1 answer
8k views

How to interpret the direction of the Harvey-Collier test and Rainbow test for linearity?

8 votes
3 answers
1k views

Big Data vs multiple hypothesis testing?

7 votes
1 answer
320 views

Can you use the paired t-test in what seems like an unpaired t-test situation?

6 votes
1 answer
3k views

How to calculate the specific Standard Error relevant for a specific point estimate within a linear regression?

6 votes
4 answers
3k views

Does the Granger Causality test in the "vars" package make sense?

5 votes
2 answers
31k views

How to use the LOGNORMALDIST function to generate a Cumulative Distribution Function?

5 votes
3 answers
2k views

Can you use heteroskedastic time series variables within a regression model?

4 votes
3 answers
278 views

What is a good internet based source of information on Hierarchical Modeling?

4 votes
1 answer
241 views

What are the reservations of Dynamic Linear Models (DLMs)?

4 votes
1 answer
6k views

What is the advantage of transforming variables into First Difference of the Natural Log instead of % change from one period to the next?

3 votes
1 answer
2k views

What are the three forms of the Park test for heteroskedasticity?

3 votes
2 answers
3k views

How do you compute the annual standard error of a regression model when the model itself is based on monthly observations?

2 votes
3 answers
4k views

How to build a regression model with just 5 datapoints with 5 or more variables?

2 votes
1 answer
2k views

How to estimate the deposit mix of a bank using interest rate as the independent variable?

2 votes
2 answers
2k views

How to calculate the combined standard error of two models?

2 votes
1 answer
3k views

Does heteroskedasticity matter if you have a large enough sample?

2 votes
1 answer
83 views

What to do if recombination of independent variables cause multicollinearity issue?

2 votes
1 answer
72 views

Can it be as accurate to model child-variables to estimate a parent-variable instead of modeling the parent-variable directly?

1 vote
2 answers
329 views

Does it make sense to purposefully run multiple regression with missing values for certain dummy variables?

1 vote
1 answer
1k views

ADF test for Unit Root, should you select a trend if the trend changes once?

1 vote
0 answers
286 views

How to do stepwise regression forward correctly?

1 vote
0 answers
4k views

Is it ok to have a unit root within an independent variable?

1 vote
2 answers
177 views

Does a Vector Autoregression Model truly avoid circular function issues?

1 vote
0 answers
670 views

Can a Linear-Log model be used instead of Robust Standard Errors?

1 vote
0 answers
524 views

How to test heteroskedasticity at the independent variable level?