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DATA ANALYSIS
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Load Latino American Barometer
• Go to library, resources for your subject, library, then economics, then:
• Statistics & Data
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Then:
• • Latinobarometro: Latin American public
opinion survey - to change the language, click on the English/Espagnol tab. Statistical information is available via Data Bank, Documents & Publications tabs - you can also use the Latinobarometro to conduct simple online analyses of statistics. The site also features annual reports.
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Then click on english at the top
• Inicio Corporación Banco de datos Análisis en Línea Documentos Publicaciones Contacto English
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Then ‘data bank’
• Home Corporation Data Bank Online analysis Documents Publications Contact Español
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Choose 2009 and stata/se file -dta• Download Data Files• Data files are available for different years and in
various formats and in both Spanish - the official language - and English.
• Latinobarómetro 2010 NEW • Select a format: [SPSS file - SAV] [Stata/SE file - DTA]
[SAS V11 file] • Latinobarómetro 2009 REVISED (Labelled Region,
City, Policital Parties + Spain's data) • Select a format: [SPSS file - SAV] [Stata/SE file - DTA]
[SAS V11 file]
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Then download file• Download file: LATINOBARÓMETRO 2009 - DATA FILE - STATA/SE V11•
Please, take note of the following:The file cannot be redistributed
• The file is compressed using Winzip. You need to decompress it before using it.
• The file contains data at the respondent level. If you want to see ellaborated tables, you should better use the online analysis option.
• In order to open this file, you will need the corresponding statistical program (SPSS, Stata, SAS, and so on)
• Click the following link to begin download:Download file
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You are given option, open or save, choose save
• In the browser choose a suitable place to save, could be a flash drive
• Now open laptop/pc search and find the file you have just downloaded. There are 4 files
• 2 in spanish and 2 in english. Two each of data files and the questionnaire.
• Copy/move the english files to another directory
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Now open stata
• Click file (top left menu bar) then open from menu
• Locate the data file you have just downloaded and click on it:
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It has not worked, not enough memory. Block copy the use
instriuction and….
possible. You have the following alternatives: An attempt was made to increase the number of observations beyond what is currentlyno room to add more observations> 08_eng.dta", clear. use "C:\Users\John\Desktop\courses\masters\LAT_Latinobarometro2008_dta\Latinobarometro_20
2. New update available; type -update all- 1. (/m# option or -set memory-) 1.00 MB allocated to dataNotes:
University of Bath Licensed to: john robert hudson Serial number: 191051479010-user Stata for Windows (network) perpetual license:
979-696-4601 (fax) 979-696-4600 [email protected] 800-STATA-PC http://www.stata.com College Station, Texas 77845 USA 4905 Lakeway Drive Statistics/Data Analysis StataCorp___/ / /___/ / /___/ 10.0 Copyright 1984-2007 /__ / ____/ / ____/ ___ ____ ____ ____ ____ tm
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Remember its case sensitive be careful with upper and lower case letters.
set mem 200000use "C:\Users\John\Desktop\courses\masters\LAT_Latinobarometro2008_dta\
Latinobarometro_2008_eng.dta", clear
OK now you have opened the data.
Type summ t*
totperd 22675 .467828 1.421481 0 24 totrech 22675 1.097861 2.249576 0 44 totcuot 22675 16.89204 35.78099 0 99 totrevi 22675 1.341742 2.792861 0 83 tamciud 22675 5.585667 2.076982 1 8 Variable Obs Mean Std. Dev. Min Max
. summ t*
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And this describes all data beginning with t
totperd byte %8.0g TOTPERD Total losttotrech byte %8.0g TOTRECH Total rejectionstotcuot byte %8.0g TOTCUOT Control of quotatotrevi byte %8.0g TOTREVI Control of re-interviewtamciud byte %8.0g TAMCIUD Size of town variable name type format label variable label storage display value
. describe t*
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Now open questionnaire and we see:
• Q5ST. Do you consider the country’s present economic• situation to be much better, a little better, about• the same, a little worse or much worse than 12 months• ago? (WAIT FOR ANSWER AND TICK ONLY ONE)• Much better.............1• A little better.........2• About the same..........3• A little worse..........4• Much worse..............5• DNK.....................8 DON’T READ• DNA.....................0
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• Q28ST. (SHOW CARD 6) Please look at this card and tell• me, how much trust you have in each of the following• groups, institutions or persons: a lot (1), some (2),• a little (3) or no trust (4)? (READ EACH ALTERNATIVE• AND TICK ONE FOR EACH)• L S L N DNK DNA• Q28ST.A. National Congress/• Parliament................ 1 2 3 4 8 0• Q28ST.B. Judiciary.........1 2 3 4 8 0• Q28ST.C. Political parties.1 2 3 4 8 0• Q28ST.D. Armed forces......1 2 3 4 8 0• Q28ST.E. Public• Administration.............1 2 3 4 8 0• Q28ST.F. Local government..1 2 3 4 8 0• Q28ST.G The church.........1 2 3 4 8 0
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Lets do a tabulation of two of the variables
• Tab2 Q5ST Q28ST.B.• It did not work.• Look at the data base using data editor• The variables seemes to be called p not Q.
Try it:• describe p5st p28*
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Good, so then…..
p28st_g byte %8.0g P28ST.G Confidence in churchp28st_f byte %8.0g P28ST.F Confidence in local government administrationp28st_e byte %8.0g P28ST.E Confidence in publicp28st_d byte %8.0g P28ST.D Confidence in the armed forcesp28st_c byte %8.0g P28ST.C Confidence in political partiesp28st_b byte %8.0g P28ST.B Confidence in the judiciary / Parliamentp28st_a byte %8.0g P28ST.A Confidence in National Congress countryp5st byte %8.0g P5ST Past economic situation of the variable name type format label variable label storage display value
. describe p5st p28*
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This is part of the output
tab2 p5st p28st_a
Total 173 1,309 6,059 8,451 5,814 22,675 Don´t know 5 8 42 55 57 211 Much worse 16 119 533 972 1,148 2,931 A little worse 38 244 1,467 2,350 1,748 6,048 About the same 71 325 1,983 2,928 1,691 7,285 A little better 34 444 1,735 1,921 1,017 5,318 Much better 4 169 292 214 145 849 No answer 5 0 7 11 8 33 the country No answer A lot of Some conf Little co No confid Total situation of Confidence in National Congress / Parliament Past economic
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Now a histogram
histogram p5st0
.51
1.5
2D
ens
ity
0 2 4 6 8Past economic situation of the country
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Exclude don’t knows and no answers
histogram p5st if p5st>0 & p5st<60
12
34
De
nsity
1 2 3 4 5Past economic situation of the country
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& with a kernel density
histogram p5st if p5st>0 & p5st<6,kdensity, which is not very interesting
01
23
4D
ens
ity
1 2 3 4 5Past economic situation of the country
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A kernel density os like a continuous histogram. Try it on a continuous
variable: age.histogram edad if edad>0 & edad<90,kdensity Interesting
0.0
1.0
2.0
3.0
4D
ens
ity
20 40 60 80 100age
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