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Panel Data: delete individuals under certain conditions 27 Aug 2013 | 07:42 am
Hello, I'm working with a dataset that looks like this: form id tiempo T educ edad importe 0 1 1 0 2 33 30.000 0 1 2 1 2 33 15.000 0 2 1 0 1 21 30.000 0 2 2 1 1 21 25.000 1 3 1 0 1 45 35.000 1...
Conditional Sampeling 27 Aug 2013 | 07:01 am
Is there a better way than brute force to conditionally sample values in R. A toy brute force example is: Code: x<-c() while(sum(x)!= 10){ x<-sample(1:10, 4, replace=TRUE) } EDIT...
R mapping help 27 Aug 2013 | 06:10 am
Dear all, I have to make a last minute map...my thesis is due in a few days and our GIS lady fell ill. So i'm trying to do this in r, but I am a beginner. I have a global dataset of dependent value...
Composite score as predictor in MLR 26 Aug 2013 | 06:25 pm
Hello there, I want to conduct a stepwise multiple linear regression analysis with continuous independent variables, in which one of the IV's is a factor that has been obtained through factor analysi...
Type I and type II errors in multiple factor ANOVA 26 Aug 2013 | 06:17 pm
Hello, I wonder if someone can explain to me what happens with type I and type II errors as you add more factors to ANOVA design, specifically to the repeated measures. Thank you.
check for Heteroskedasticity? 26 Aug 2013 | 04:49 pm
Hi guys, just a quick question - I need to find out whether there is Heteroskedasticity in my data. I did a scatterplot of standardised residuals on standardised predicted values, in order to check w...
ANOVA interpretation 26 Aug 2013 | 12:38 am
I need help in interpreting some ANOVA results with 2 factors (genotypes and treatment). Each group was treated with saline then an hour later treated with cocaine and there locomotion were recorded. ...
Normalizing Skewed Data 25 Aug 2013 | 11:57 pm
Hello, I'm a novice in stats, and I wanted to know how to normalize 'skewed' data. I work with SPSS and I went to transform>compute variable> and then I do a log transformation... However, when I ru...
how to report Negative paths loadinds in AMOS 25 Aug 2013 | 11:15 pm
I wish to inquire from you whether negative paths loading (rages from -0.2 to -0.9) can be consider as good loading or significant. Sir, i have an example in my attachment. In the attachment, can i re...
How to normalize a matrix 25 Aug 2013 | 04:44 am
Hello everybody, Is there any command to normlize a matrix in stata? thanks.
