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MICS Data Processing Workshop CSPRO Applications.

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Presentation on theme: "MICS Data Processing Workshop CSPRO Applications."— Presentation transcript:

1 MICS Data Processing Workshop CSPRO Applications

2 Creating a Data Entry Application Well now create a data entry application The application will make use of the test dictionary and form Before creating the application, Ill briefly discuss – order of operations in CSPRO – data entry path – most common data entry commands

3 CSPRO Procedure Types – Global procedure (proc global) logic executed when application begins/ends – Form file procedure (proc form_file_name) logic executed before/after each case – Level procedure (proc level_name) logic executed before/after level – group procedure (proc group_name) logic executed before/after a form or roster – variable procedure (proc variable_name) logic executed before/after variables field entered

4 Preproc and Postproc Procedures are broken into two parts – Preproc logic executed before item for example, skip a variable – Postproc logic executed after item for example, check if data entered is consistent for example, skip to a variable If no explicit statement, logic is in the postproc by default

5 Order of Operations Global proc Form file preproc – Level 1 preproc Form 1.1 preproc – Field preproc – Field postproc –...other form 1 fields Form 1.1 postproc...other level 1 forms Level 2 preproc – Form 2.1 preproc Field2.1.1 preproc Field postproc – Form 2.1 postproc –...other level 2 forms Level 2 postproc – Level 1 postproc Form file postproc

6 The Data Entry Path The data entry path contains all of the questions that a respondent should be asked It is determined by – the type of the questionnaire – the responses to questions in conjunction with questionnaire skips questionnaire filters

7 Controlling the Data Entry Path CSPRO allows one to control completely the data entry path The first step is to – open DE application – go to options --> data entry – select system controlled – (while you are there, make all alphanumeric variables upper case)

8 Questionnaire Skips CSPRO has 2 ways of implementing skips – The skip to command if the variable being skipped to is in a single record To skip to a variable or group use skip to variable_name; skip to group_name; – The skip to next command if the var. being skipped to is in a multiple record

9 Reentering To force the data entry operator to reenter a field (e.g., if the data entered are inconsistent) use reenter;

10 if command Use to check for a condition: if HH9 <> 1 then skip to HH16; endif; if not HH6 in 1,2 then reenter; endif;

11 Ending a Level You must manually end a level if – the last variable in the data path is not the last variable on the questionnaire – you have entered the last woman or under-five questionnaire This is accomplished using the endlevel command

12 The ENDLEVEL Command The effect of the endlevel command depends upon its context – In field/roster/form proc, passes control to the level postproc – In level preproc or postproc, passes control to postproc of next highest level – In postproc of level 1, pass control to the form files postproc

13 Ending a Group A group is a record or roster A group is ended by the endgroup command The effect of the command depends upon context: – In an item procedure, passes control to the current groups postproc – In the preproc of the group, skips the entire group and passes control to the groups postproc

14 Working Variables Working variables must be declared in the global procedure Numeric working variables can be declared together – numeric var1 var2 ; Alphanumeric working variables are declared separately – alpha(length) avar1; – alpha(length) avar2;

15 Setting Parameters Global parameters should be declared in the preproc of the forms procedure – e.g., minimum age at first birth Assign a value to a working variable created for the purpose Comment your parameter using braces For example – minab = 144; {minimum age at first birth in months}

16 Recoding Variables To recode variables, use the recode command The following logic recodes womens age into groups recodeWM9 => agegrps; => 1; 20-24=> 2; => 3; endrecode;

17 Generating Error Messages If the cluster number is invalid, the following code will display an error message errmsg(0010);

18 Providing an Error Message Error messages must have user-defined text to be effective For the preceding example, one would add a line 0010 cluster number invalid To view the error message file – to do so, right click on the message tab while editing a procedures logic

19 Error Message Parameters The values of any variables listed after the error message number will be passed to the error message Parameters are displayed in the error message using – %d for numeric values – %s for alphanumeric values

20 Creating the Application Select file --> new Select object type data entry application Use file name: test Use folder: c:\mics\cspro\test Click next Click yes when prompted to use the test form Click finish

21 Modifying the Application Add logic to – check the household number is consistent display message and data entry if not – implement the region skip – check the date of interview is consistent display message and require reentry if not Compile and then save your application

22 Testing the Application Click once on execute button on toolbar (traffic light) Use nodata.dat datafile Enter a case

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