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Using SDA part ii Accoleds/DLI Training 2003 University of Calgary 1 Using SDA ICPSR Part II ACCOLEDS / DLI Training 2003 December 8 – 10 University.

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Presentation on theme: "Using SDA part ii Accoleds/DLI Training 2003 University of Calgary 1 Using SDA ICPSR Part II ACCOLEDS / DLI Training 2003 December 8 – 10 University."— Presentation transcript:

1 Using SDA part ii Accoleds/DLI Training 2003 University of Calgary 1 Using SDA Services @ ICPSR Part II ACCOLEDS / DLI Training 2003 December 8 – 10 University of Calgary Walter Piovesan

2 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 2 Contents Roadmap Overview of SDA Overview of SDA Features Features Online Tools: Using the ICPSR Data Analysis System (DAS) Online Tools: Using the ICPSR Data Analysis System (DAS) SAMHDAs TEDS QuickTables SAMHDAs TEDS QuickTables SDA: Mucking about with Data SDA: Mucking about with Data

3 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 3 Overview of SDA SDA (Survey Documentation & Analysis) SDA (Survey Documentation & Analysis) Developed at UC, Berkeley Developed at UC, Berkeley Web software to perform simple data analysis Web software to perform simple data analysis Tool for Teaching & Classroom use Tool for Teaching & Classroom use No need for stats packages on local computers No need for stats packages on local computers Browse codebooks Browse codebooks No need to download data & docs No need to download data & docs Create summary statistics for reports Create summary statistics for reports

4 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 4 SDA Features browse codebooks, questionnaires, documentation browse codebooks, questionnaires, documentation statistical procedures: eg. list values, frequencies, crosstabs, … statistical procedures: eg. list values, frequencies, crosstabs, … manipulate variables eg. Recode, compute new variables, … manipulate variables eg. Recode, compute new variables, … custom subsets of selected variables and cases custom subsets of selected variables and cases codebook open in a separate window codebook open in a separate window download all : data, SPSS/SAS def, docs download all : data, SPSS/SAS def, docs

5 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 5 Online Analysis Using the Data Analysis System (DAS) 150 studies available in SDA format 150 studies available in SDA format DAS studies related to : DAS studies related to : Aging Aging Aging Criminal Justice Criminal Justice Criminal Justice Criminal Justice Education Education Education Substance Abuse & Mental Health Substance Abuse & Mental Health Substance Abuse & Mental Health Substance Abuse & Mental Health

6 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 6 Online Analysis Using the Data Analysis System (DAS) Special Topic Archives With their Web Sites: Special Topic Archives With their Web Sites: Census 2000 at ICPSR Census 2000 at ICPSR Census 2000 at ICPSR Census 2000 at ICPSR Election 2000 at ICPSR Election 2000 at ICPSR Election 2000 at ICPSR Election 2000 at ICPSR General Social Survey (GSSDIRS) General Social Survey (GSSDIRS) General Social Survey General Social Survey Health and Medical Care Archive (HMCA) Health and Medical Care Archive (HMCA) Health and Medical Care Archive Health and Medical Care Archive Homicide Research Working Group (HRWG) Homicide Research Working Group (HRWG) Homicide Research Working Group Homicide Research Working Group International Archive of Education Data (IAED) International Archive of Education Data (IAED) International Archive of Education Data International Archive of Education Data National Archive of Computerized Data on Aging (NACDA) National Archive of Computerized Data on Aging (NACDA) National Archive of Computerized Data on Aging National Archive of Computerized Data on Aging National Archive of Criminal Justice Data (NACJD) National Archive of Criminal Justice Data (NACJD) National Archive of Criminal Justice Data National Archive of Criminal Justice Data Site for Instructional Materials and Information (SIMI) Site for Instructional Materials and Information (SIMI) Site for Instructional Materials and Information Site for Instructional Materials and Information Substance Abuse & Mental Health Data Archive (SAMHDA) Substance Abuse & Mental Health Data Archive (SAMHDA) Substance Abuse & Mental Health Data Archive Substance Abuse & Mental Health Data Archive

7 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 7 Quick Tables ( source www.DrugAbuseStatistics.samhsa.gov ) www.DrugAbuseStatistics.samhsa.gov Substance Abuse & Mental Health Data Archive (SAMHDA) has new feature: QuickTables Substance Abuse & Mental Health Data Archive (SAMHDA) has new feature: QuickTables Produces analytic tables via drop down –menus Produces analytic tables via drop down –menus Available for all Treatment Episode Data Sets (TEDS) Available for all Treatment Episode Data Sets (TEDS)

8 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 8 Quick Tables … ( source www.DrugAbuseStatistics.samhsa.gov ) www.DrugAbuseStatistics.samhsa.gov six easy steps to use Quick Tables six easy steps to use Quick Tables start: http://www.icpsr.umich.edu/SAMHDA start: http://www.icpsr.umich.edu/SAMHDAhttp://www.icpsr.umich.edu/SAMHDA

9 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 9 Quick Tables ….. ( source www.DrugAbuseStatistics.samhsa.gov ) www.DrugAbuseStatistics.samhsa.gov Step 1: Select Online Analysis from the SAMHDA front page (http://www.icpsr.umich.edu/SAMHDA) Step 1: Select Online Analysis from the SAMHDA front page (http://www.icpsr.umich.edu/SAMHDA)http://www.icpsr.umich.edu/SAMHDA Step 2: Select the Treatment Episode Data Set. Step 2: Select the Treatment Episode Data Set. Step 3: In the Quick Tables section, select the TEDS 1992-2000 concatenated file. This produces a list of the available Quick Tables for the selected file (see Figure 1) Step 3: In the Quick Tables section, select the TEDS 1992-2000 concatenated file. This produces a list of the available Quick Tables for the selected file (see Figure 1)

10 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 10 Quick Tables ….. ( source www.DrugAbuseStatistics.samhsa.gov ) www.DrugAbuseStatistics.samhsa.gov Step 4: Select desired Quick Table. For the example, select Client Characteristics by Year. Step 4: Select desired Quick Table. For the example, select Client Characteristics by Year. Step 5: Left-click on the drop-down menus to select variables for the table (2). Custom Quick Tables may be generated for 11different client characteristics (3) for an individual State or for all States combined. For the example, select Employment Status as the client characteristic and limit the table to Maryland. The completed input screen is shown in Figure 2. Step 5: Left-click on the drop-down menus to select variables for the table (2). Custom Quick Tables may be generated for 11different client characteristics (3) for an individual State or for all States combined. For the example, select Employment Status as the client characteristic and limit the table to Maryland. The completed input screen is shown in Figure 2.

11 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 11

12 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 12 Quick Tables ….. ( source www.DrugAbuseStatistics.samhsa.gov ) www.DrugAbuseStatistics.samhsa.gov … Explanation of Results is found on the final page (cases, desc vriables, publications, citations etc) …… (flip) … Explanation of Results is found on the final page (cases, desc vriables, publications, citations etc) …… (flip)

13 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 13 Hands on: Mucking about with Data via SDA Online Tutorial: http://sda.berkeley.edu:7502/man3h/uindex.html Online Tutorial: http://sda.berkeley.edu:7502/man3h/uindex.html http://sda.berkeley.edu:7502/man3h/uindex.html The Web-based SDA programs are intended to be self- explanatory, and there is online help available within each program. The Web-based SDA programs are intended to be self- explanatory, and there is online help available within each program. But you can also access the help files at the Online Tutorial page. But you can also access the help files at the Online Tutorial page. Quick Exercise ….. Quick Exercise …..

14 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 14 Hands on: Mucking about with Data via SDA 1 Quick Exercise ….. Example : using SAMHDA data examine association between marijuana use and cigarette smoking. Example : using SAMHDA data examine association between marijuana use and cigarette smoking. www.icpsr.umich.edu/SAMHDA www.icpsr.umich.edu/SAMHDA

15 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 15 Hands on: Mucking about with Data via SDA 2 Select data file…. National Household Survey on Drug Abuse National Household Survey on Drug Abuse Then select most recent study ( 2001)… Then select most recent study ( 2001)…

16 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 16 Hands on: Mucking about with Data via SDA 3 Consult Codebook…. May be opened in a separate window May be opened in a separate window

17 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 17 Hands on: Mucking about with Data via SDA 4 Look for variables…. Have you ever smoked a cigarette Have you ever smoked a cigarette Have you ever, even once, used marijuana or hashish Have you ever, even once, used marijuana or hashish

18 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 18 Hands on: Mucking about with Data via SDA 5 Finding out about variables…. Double click on variable name to learn additional information … Double click on variable name to learn additional information …

19 Hands on: Mucking about with Data via SDA 6 Analyse variables…. Perform crosstabulation of variables to determine if Cigarette smoking contributes to a higher probablity of marijuana use …. (Click Start) Perform crosstabulation of variables to determine if Cigarette smoking contributes to a higher probablity of marijuana use …. (Click Start)

20 Hands on: Mucking about with Data via SDA 7 Enter variables…. Fill in the variable name in the ROW and COLUMN fields. Fill in the variable name in the ROW and COLUMN fields. Recode variables (R: 1=1,3 "yes; 2 = 2,4 "no") then RUN Table Recode variables (R: 1=1,3 "yes; 2 = 2,4 "no") then RUN Table (NHSDA Uses logically assigned valus for cases where respondents have not responded but answer can be infered. Explained in codebook. (NHSDA Uses logically assigned valus for cases where respondents have not responded but answer can be infered. Explained in codebook.

21 Hands on: Mucking about with Data via SDA 8

22 Using SDA part iiAccoleds/DLI Training 2003 University of Calgary 22 Hands on: Mucking about with Data via SDA § play it again sam: Using the GSS survey at ICPSR Using the GSS survey at ICPSR http://www.icpsr.umich.edu:8080/GSS/homepage.htm http://www.icpsr.umich.edu:8080/GSS/homepage.htm http://www.icpsr.umich.edu:8080/GSS/homepage.htm GSS 1972-2002 Cumulative Datafile GSS 1972-2002 Cumulative Datafile Examine if there are any differences in the "feelings of God" amoung Married people and those who have Never Married? Examine if there are any differences in the "feelings of God" amoung Married people and those who have Never Married? Use GSS 1972-2002 Cumulative datafile choose NEARGOD & MARITAL variables Use GSS 1972-2002 Cumulative datafile choose NEARGOD & MARITAL variables Filter out other categories (2,3,4) Filter out other categories (2,3,4)

23 Hands on: Mucking about with Data via SDA § play it again sam:

24 Hands on: Mucking about with Data via SDA


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