Understanding SAS Data Step Processing

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[object Object],[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009

[object Object],[object Object],11/13/09 SAS Techies 2009

[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009

[object Object],11/13/09 SAS Techies 2009

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009

Data Set Descriptor The attributes of Total are determined by the expression in the statement. 11/13/09 SAS Techies 2009 data perm.update; infile invent; input Item $ 1-13 IDnum $ 15-19 InStock 21-22 BackOrd 24-25; Total=instock+backord; run; Data Set Name: PERM.UPDATE Member Type: DATA Engine: V8 Created: 11:25 Friday, August 7, 1998 Observations: 0 Variables: 5 Indexes: 0 Observation Length: 30

[object Object],[object Object],[object Object],Raw Data File Invent 11/13/09 SAS Techies 2009 data perm.update; infile invent; input Item $ 1-13 IDnum $ 15-19 Instock 21-22 BackOrd 24-25; Total=instock+backord; run; >----+----1----+----2----+ V Bird Feeder LG088 3 20 • 6 Glass Mugs SB082 6 12 Glass Tray BQ049 12 6 Padded Hangrs MN256 15 20 Jewelry Box AJ498 23 0 Red Apron AQ072 9 12 Crystal Vase AQ672 27 0 Picnic Basket LS930 21 0 Brass Clock AN910 2 10

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009 Item IDnum InStock BackOrd Total Bird Feeder LG088 3 20 23

[object Object],[object Object],[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009

[object Object],[object Object],[object Object],11/13/09 SAS Techies 2009 Obs= Pad Lrecl= End= DLM= DSD EOF= FILEVAR= FIRSTOBS= LENGTH= LINESIZE= MISSOVER N= _INFILE_

[object Object],[object Object],data finance.duejan; set finance.loans; Interest=amount*(rate/12); run; SAS Data Set Finance.Loans 11/13/09 SAS Techies 2009 Account Amount Rate Months Payment 101-1092 22000 0.1000 60 467.43 101-1731 114000 0.0950 360 958.57 101-1289 10000 0.1050 36 325.02 101-3144 3500 0.1050 12 308.52

11/13/09 SAS Techies 2009 NOTE: Invalid data for RecHR in line 14 35-37. RULE: ----+----1----+----2----+----3----+----4----+----5--- 14 2575 Quigley, M 74 152 Q13 11 26 I ID=2575 Name=Quigley, M RestHR=74 MaxHR=152 RecHR=. TimeMin=11 TimeSec=26 Tolerance=I _ERROR_=1 _N_=14 NOTE: 21 records were read from the infile TESTS. The minimum record length was 45. The maximum record length was 45. NOTE: The data set CLINIC.STRESS has 21 observations and 8 variables. NOTE: DATA statement used: real time 2.04 seconds cpu time 0.06 seconds

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SAS Techies 2009 11/13/09 Patient Age Height Weight Fee 1 27 72 168 85.20 2 34 66 152 124.80 3 31 61 123 149.75 4 43 63 137 149.75 5 51 71 158 124.80

[object Object],[object Object],[object Object],[object Object],SAS Techies 2009 11/13/09

Understanding SAS Data Step Processing

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