Start Period Sample Code
Note: This page is from an older version of the Data Dictionary and may therefore contain information that is now out of date. It is included here for reference only.
1 The following pseudo code and SPSS code is provided to illustrate the Start Period data definition.
A_STARTP
2 The following table shows the steps required to derive A_STARTP.
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Step
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Condition
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Action if true
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Action if false
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1
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Is A27<= 1 Aug Relevant Academic year
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Set A_STARTP to -99
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Go to 2
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2
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Is the month of A27 = Aug
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Set A_STARTP to 1
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Go to 3
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3
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Is the month of A27 = Sep
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Set A_STARTP to 2
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Go to 4
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4
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Is the month of A27 = Oct
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Set A_STARTP to 3
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Go to 5
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5
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Is the month of A27 = Nov
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Set A_STARTP to 4
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Go to 6
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6
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Is the month of A27 = Dec
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Set A_STARTP to 5
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Go to 7
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7
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Is the month of A27 = Jan
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Set A_STARTP to 6
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Go to 8
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8
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Is the month of A27 = Feb
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Set A_STARTP to 7
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Go to 9
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9
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Is the month of A27 = Mar
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Set A_STARTP to 8
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Go to 10
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10
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Is the month of A27 = Apr
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Set A_STARTP to 9
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Go to 11
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11
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Is the month of A27 = May
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Set A_STARTP to 10
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Go to 12
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12
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Is the month of A27 = Jun
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Set A_STARTP to 11
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Go to 13
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13
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Is the month of A27 = Jul
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Set A_STARTP to 12
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3 The following SPSS code illustrates how to derive A_LEAVEP.
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GET FILE=’……….Aims dataset’.
IF A27 < DATE>DMY(1,8, relevant academic year) A_STARTP=-99.
DO IF XDATE.YEAR(A27)=relevant academic year.
IF XDATE.MON(A27)=8 A_STARTP=1.
IF XDATE.MON(A27)=9 A_STARTP=2.
IF XDATE.MON(A27)=10 A_STARTP=3.
IF XDATE.MON(A27)=11 A_STARTP=4.
IF XDATE.MON(A27)=12 A_STARTP=5.
ELSE IF XDATE.YEAR(A27)=relevant academic year+1.
IF XDATE.MON(A27)=1 A_STARTP=6.
IF XDATE.MON(A27)=2 A_STARTP=7.
IF XDATE.MON(A27)=3 A_STARTP=8.
IF XDATE.MON(A27)=4 A_STARTP=9.
IF XDATE.MON(A27)=5 A_STARTP=10.
IF XDATE.MON(A27)=6 A_STARTP=11.
IF XDATE.MON(A27)=7 A_STARTP=12.
END IF.
VARIABLE LABELS A_STARTP "DV - Period Started in".
VALUE LABELS A_STARTP -99 "Before 1 August 04"
1 "Period 1"
2 "Period 2"
3 "Period 3"
4 "Period 4"
5 "Period 5"
6 "Period 6"
7 "Period 7"
8 "Period 8"
9 "Period 9"
10 "Period 10"
11 "Period 11"
12 "Period 12".
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E_STARTP
4 The following table shows the steps required to derive E_STARTP.
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Step
|
Condition
|
Action if true
|
Action if false
|
|
1
|
Is E08<= 1 Aug Relevant Academic year
|
Set E_STARTP to -99
|
Go to 2
|
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2
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Is the month of E08 = Aug
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Set E_STARTP to 1
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Go to 3
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3
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Is the month of E08 = Sep
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Set E_STARTP to 2
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Go to 4
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4
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Is the month of E08 = Oct
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Set E_STARTP to 3
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Go to 5
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5
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Is the month of E08 = Nov
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Set E_STARTP to 4
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Go to 6
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6
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Is the month of E08 = Dec
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Set E_STARTP to 5
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Go to 7
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7
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Is the month of E08 = Jan
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Set E_STARTP to 6
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Go to 8
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8
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Is the month of E08 = Feb
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Set E_STARTP to 7
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Go to 9
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9
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Is the month of E08 = Mar
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Set E_STARTP to 8
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Go to 10
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10
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Is the month of E08 = Apr
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Set E_STARTP to 9
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Go to 11
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11
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Is the month of E08 = May
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Set E_STARTP to 10
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Go to 12
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12
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Is the month of E08 = Jun
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Set E_STARTP to 11
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Go to 13
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13
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Is the month of E08 = Jul
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Set E_STARTP to 12
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5 The following SPSS code illustrates how to derive E_LEAVEP.
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GET FILE=’……….ESF dataset’.
IF E08 < DATE>DMY(1,8, relevant academic year) E_STARTP=-99.
DO IF XDATE.YEAR(E08)=relevant academic year.
IF XDATE.MON(E08)=8 E_STARTP=1.
IF XDATE.MON(E08)=9 E_STARTP=2.
IF XDATE.MON(E08)=10 E_STARTP=3.
IF XDATE.MON(E08)=11 E_STARTP=4.
IF XDATE.MON(E08)=12 E_STARTP=5.
ELSE IF XDATE.YEAR(E08)=relevant academic year+1.
IF XDATE.MON(E08)=1 E_STARTP=6.
IF XDATE.MON(E08)=2 E_STARTP=7.
IF XDATE.MON(E08)=3 E_STARTP=8.
IF XDATE.MON(E08)=4 E_STARTP=9.
IF XDATE.MON(E08)=5 E_STARTP=10.
IF XDATE.MON(E08)=6 E_STARTP=11.
IF XDATE.MON(E08)=7 E_STARTP=12.
END IF.
VARIABLE LABELS E_STARTP "DV - Period Started in".
VALUE LABELS E_STARTP -99 "Before 1 August 04"
1 "Period 1"
2 "Period 2"
3 "Period 3"
4 "Period 4"
5 "Period 5"
6 "Period 6"
7 "Period 7"
8 "Period 8"
9 "Period 9"
10 "Period 10"
11 "Period 11"
12 "Period 12".
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Last Modified: 29 Sep 06
