February 14, 2014

Data dalam statistik

Source: http://www.ats.ucla.edu/stat/mult_pkg/whatstat/nominal_ordinal_interval.htm What is the difference between categorical, ordinal and interval variables? In talking about variables, sometimes you hear variables being described as categorical (or sometimes nominal), or ordinal, or interval.  Below we will define these terms and explain why they are important. Categorical A categorical variable (sometimes called a nominal variable) is one that has two or more categories, but there is no intrinsic ordering to the categories.  For example, gender is a categorical variable having two categories (male and female) and there is no intrinsic ordering to the categories.  Hair color is also a categorical variable having a number of […]
October 30, 2013

Apa perbedaan logit dengan probit?

Perbedaan logit dan probit http://home.gwu.edu/~soyer/mv1h.pdf http://psfaculty.ucdavis.edu/bsjjones/binaryresponse.pdf Probit http://www.ats.ucla.edu/stat/stata/dae/probit.htm http://www.empiwifo.uni-freiburg.de/lehre-teaching-1/summer-term-09/materials-microeconometrics/probit_7-5-09.pdf Marginal effect in Probit http://www.stata.com/support/faqs/statistics/marginal-effects-methods/ https://www.empiwifo.uni-freiburg.de/lehre-teaching-1/summer-term-09/materials-microeconometrics/scheme_me_probit http://www.stata.com/meeting/italy10/drukker_sug.pdf Example by Green http://www.ats.ucla.edu/stat/stata/examples/greene/greene19.htm
September 29, 2013

Command in STATA

Source: http://www.csulb.edu/~cdennis/STATA-EXCEL.doc Getting Started: 1. Go to Stata prompt and click on “Intercooled Stata” 2. In the command line type: set mem 5000k (then press “enter”) Note: for very large files: set mem 500000k (press “enter”) then type: set matsize 150 (press “enter” – allows 150 variables) 3. Click on “file” (upper left corner) 4. Click on “open” 5. Click on “down arrow” to use either the “c” or “a” drives 6. Click so that the desired drive reveals its files 7. Click on the file you want to load 8. To execute an operation (e.g., ordered probit) type the following […]
April 11, 2013

Analisis Faktor: CFA atau EFA?

Apakah itu analisis faktor http://en.wikipedia.org/wiki/Factor_analysis   Beda CFA dan EFA? http://www.indiana.edu/~statmath/stat/all/cfa/cfa3.html   Stata tentang faktor analisis http://www.ats.ucla.edu/stat/stata/output/fa_output.htm