2
votes
1answer
38 views

Which test to use to measure if target has been met?

The photo below is an example of the result i would like to obtain using the test which i cannot find in the article itself, i was hoping maybe any of you would know. I have tried to carry out chi ...
3
votes
1answer
102 views

Plotting results with many features

I need an advice for plotting my results. I got different classification results by including different features and different k values. So, I got different results for each of them: My features: ...
3
votes
2answers
101 views

How to approach missing data…ignore or not to ignore?

What would be the best option when you come across missing data. Do you exclude that person completely from the data analysis or not. If not then how do you go about it? i have data on two groups at ...
1
vote
1answer
52 views

Should I analyze variables separately or together?

I have one categorical variable (on a diet: yes or no) and two numerical variables (patients heart rate and ...
0
votes
0answers
94 views

Testing “weak” instruments - F test

I would like to address the endogeneity problem in my model. Let me go step by step. I have panel data for 19 countries, 1995-2010. My regression model: ...
0
votes
0answers
56 views

SPSS/Stata Repeated Measures - Contrast question

I have data from 8 subjects collected at 5 time points. I would like to see if there is a difference between time points (1 + 2) and (3 + 4 + 5) using either SPSS or Stata. When in SPSS I use ...
2
votes
0answers
62 views

User-defined contrast on Generalized Estimating Equations

I am running a GEE on SPSS as well as Stata on choice data with the following structure: Each subject completed 32 trials in 4 ...
0
votes
0answers
109 views

Survey data analysis in SPSS and in Stata

When the survey design is complex, say, a 3-stage stratified cluster sampling design, then we have to use sampling weights. When I use SPSS then I see that the sampling weight it uses is the raw ...
7
votes
2answers
822 views

Differences in kurtosis definition and their interpretation

I have recently realised that there are differences in the kurtosis values provided by SPSS and Stata. See http://www.ats.ucla.edu/stat/mult_pkg/faq/general/kurtosis.htm My understanding is that the ...
0
votes
1answer
256 views

Regression with Time series model

I wanted to see if the different kinds of supports to small enterprises have contributed to the development/growth of small enterprises using 15 years period data (6 years before implementing these ...
2
votes
2answers
486 views

Converting SPSS syntax for regression to Stata commands

I am running a series of regressions to eliminate the effects of IQ, language ability and age from my variables (task performance). To do this, the variable is entered as the dependent variable (e.g. ...
1
vote
1answer
4k views

How to calculate sum of squared errors (SSE or SSR) with Stata 12 software?

I have a techincal issue with Stata: I need to calculate the SSE of a regression model, but the automatic output just gives me RMSE; I need SSE of this constrained model because I have to test if this ...
2
votes
0answers
671 views

Differences between Stata & SPSS in multiple regression outcomes

I'm a graduate student working on a thesis whose aim is to test complementarity between 2 practices (CI and INNO, according to theory of supermodularity). To do so, I calculated two new variables ...
4
votes
1answer
724 views

Inconsistency in mixed-effects model estimation results (Stata and SPSS)

For my thesis there's a big chance that I will need some sort of mixed-effects specification. I have some (non-syntax) experience with SPSS but feel that it won't suffice for my analysis. I have very ...
0
votes
1answer
377 views

Multilevel model with an ordinal outcome

I have a data set from a survey of health problems and annoyance by traffic noise in people living in residential buildings, with "5-point scale answer" questions. I want to perform a multilevel model ...
3
votes
2answers
2k views

How to use Stata to pool Cohen's d?

I am attempting to calculate Cohen's d and then pool those estimates into a summary effect size. Can anyone help? (Stata or SPSS software owned).
20
votes
4answers
18k views

Fisher's Exact Test in contingency tables larger than 2x2

I was taught to only apply Fisher's Exact Test in contingency tables that were 2x2. Questions: Did Fisher himself ever envision this test to be used in tables larger than 2x2 (I am aware of the ...
185
votes
21answers
59k views

Python as a statistics workbench

Lots of people use a main tool like Excel or another spreadsheet, SPSS, Stata, or R for their statistics needs. They might turn to some specific package for very special needs, but a lot of things can ...