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by Troy Martin Hughes
SAS Data Analytic Development
Preface
Objectives
Audience
Application of Content
Organization
Acknowledgments
About the Author
Chapter 1: Introduction
Distinguishing Data Analytic Development
Software Development Life Cycle (SDLC)
Risk
Chapter 2: Quality
Defining Quality
Software Product Quality Model
Quality in the SDLC
Chapter 3: Communication
Return Codes
System Numeric Return Codes
System Alphanumeric Return Codes
User-Generated Return Codes
Parallel Processing Communication
Part I: Static Performance
Chapter 4: Reliability
Defining Reliability
Paths To Failure
ACL: The Reliability Triad
Reliability in the SDLC
Chapter 5: Recoverability
Defining Recoverability
Recoverability toward Reliability
Recoverability Matrix
TEACH Recoverability Principles
SPICIER Recoverability Steps
Recovering with Checkpoints
Recoverability in the SDLC
Chapter 6: Robustness
Defining Robustness
Robustness toward Reliability
Defensive Programming
Exception Handling
Robustness in the SDLC
Chapter 7: Execution Efficiency
Defining Execution Efficiency
Factors Affecting Execution Efficiency
False Dependencies
Parallel Processing
Execution Efficiency in the SDLC
Chapter 8: Efficiency
Defining Efficiency
Disambiguating Efficiency
Defining Resources
Efficiency in the SDLC
Chapter 9: Scalability
Defining Scalability
The Scalability Triad
Resource Scalability
Demand Scalability
Load Scalability
Scalability in the SDLC
Chapter 10: Portability
Defining Portability
Disambiguating Portability
3GL versus 4GL Portability
Facets of Portability
Portability in the SDLC
Chapter 11: Security
Defining Security
Confidentiality
Integrity
Availability
Security in the SDLC
Chapter 12: Automation
Defining Automation
Automation in SAS Software
SAS Processing Modes
Starting in Interactive Mode
Starting in Batch Mode
Automation in the SDLC
Part II: Dynamic Performance
Chapter 13: Maintainability
Defining Maintainability
Maintenance
Maintenance in the SDLC
Failure to Maintain
Maintainability
Chapter 14: Modularity
Defining Modularity
From Monolithic to Modular
Modularity Principles
Benefits of Modularity
Chapter 15: Readability
Defining Readability
Plan to Get Hit by a Bus
Software Readability
External Readability
Chapter 16: Testability
Defining Testability
Software Testing
Testability
Chapter 17: Stability
Defining Stability
Achieving Stability
Stable Requirements
Defect-Free Code
Dynamic Flexibility
Stability And Beyond
Modularizing More Than Macros
Chapter 18: Reusability
Defining Reusability
Reuse
Reusability
From Reusability to Extensibility
Index
End User License Agreement
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Wiley & SAS Business Series
Table of Contents
Preface
Objectives
Audience
Application of Content
Organization
Acknowledgments
About the Author
Chapter 1: Introduction
Distinguishing Data Analytic Development
Software Development Life Cycle (SDLC)
Risk
Chapter 2: Quality
Defining Quality
Software Product Quality Model
Quality in the SDLC
Chapter 3: Communication
Return Codes
System Numeric Return Codes
System Alphanumeric Return Codes
User-Generated Return Codes
Parallel Processing Communication
Part I: Static Performance
Chapter 4: Reliability
Defining Reliability
Paths To Failure
ACL: The Reliability Triad
Reliability in the SDLC
Chapter 5: Recoverability
Defining Recoverability
Recoverability toward Reliability
Recoverability Matrix
TEACH Recoverability Principles
SPICIER Recoverability Steps
Recovering with Checkpoints
Recoverability in the SDLC
Chapter 6: Robustness
Defining Robustness
Robustness toward Reliability
Defensive Programming
Exception Handling
Robustness in the SDLC
Chapter 7: Execution Efficiency
Defining Execution Efficiency
Factors Affecting Execution Efficiency
False Dependencies
Parallel Processing
Execution Efficiency in the SDLC
Chapter 8: Efficiency
Defining Efficiency
Disambiguating Efficiency
Defining Resources
Efficiency in the SDLC
Chapter 9: Scalability
Defining Scalability
The Scalability Triad
Resource Scalability
Demand Scalability
Load Scalability
Scalability in the SDLC
Chapter 10: Portability
Defining Portability
Disambiguating Portability
3GL versus 4GL Portability
Facets of Portability
Portability in the SDLC
Chapter 11: Security
Defining Security
Confidentiality
Integrity
Availability
Security in the SDLC
Chapter 12: Automation
Defining Automation
Automation in SAS Software
SAS Processing Modes
Starting in Interactive Mode
Starting in Batch Mode
Automation in the SDLC
Part II: Dynamic Performance
Chapter 13: Maintainability
Defining Maintainability
Maintenance
Maintenance in the SDLC
Failure to Maintain
Maintainability
Chapter 14: Modularity
Defining Modularity
From Monolithic to Modular
Modularity Principles
Benefits of Modularity
Chapter 15: Readability
Defining Readability
Plan to Get Hit by a Bus
Software Readability
External Readability
Chapter 16: Testability
Defining Testability
Software Testing
Testability
Chapter 17: Stability
Defining Stability
Achieving Stability
Stable Requirements
Defect-Free Code
Dynamic Flexibility
Stability And Beyond
Modularizing More Than Macros
Chapter 18: Reusability
Defining Reusability
Reuse
Reusability
From Reusability to Extensibility
Index
End User License Agreement
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Guide
Table of Contents
Begin Reading
List of Illustrations
Chapter 1: Introduction
Figure 1.1 Software Development Environments
Figure 1.2 The Software Development Life Cycle (SDLC)
Figure 1.3 Waterfall Development Methodology
Figure 1.4 Agile Software Development
Chapter 2: Quality
Figure 2.1 ISO Software Product Quality Model
Figure 2.2 Software Quality Model Demonstrated in Chapter Organization
Figure 2.3 Interaction of Software Quality Constructs and Dimensions
Figure 2.4 Underperformance and Gold-Plating
Chapter 4: Reliability
Figure 4.1 Software Decay Continuum
Figure 4.2 Increasing Requirements in Operational Phase
Figure 4.3 Reliability Growth Curve with Decreasing Failure Rate
Figure 4.4 Traditional and End-User Development Reliability Growth Curves
Figure 4.5 MTBF Competing Definitions, Inclusive and Exclusive of Recovery
Chapter 5: Recoverability
Figure 5.1 Comparing MTTF and MTBF
Figure 5.2 MTBF Influencing Reliability Growth Curve
Figure 5.3 Recoverability Growth Curve with Decreasing Recovery Period
Figure 5.4 Interaction of Reliability and Recoverability
Figure 5.5 MTTR, RTO, and MTD
Chapter 6: Robustness
Figure 6.1 Exception Inheritance
Figure 6.2 Exception Inheritance in Software Reuse
Figure 6.3 Program Flow and Happy Trail
Chapter 7: Execution Efficiency
Figure 7.1 From Monolithic to Parallel Program Flow
Figure 7.2 Critical Path Analysis
Figure 7.3 Data Set False Dependencies
Figure 7.4 Data Set False Dependencies Removed
Figure 7.5 Diminishing Return Curves for Software Performance
Figure 7.6 Histogram of Real Time for Sorting 10 Million Observations
Figure 7.7 Histogram of Real Time and CPU Time for Sorting 10 Million Observations
Chapter 8: Efficiency
Figure 8.1 Memory Usage by SORT Procedure
Figure 8.2 Inefficiency Elbow Caused by RAM Exhaustion
Chapter 9: Scalability
Figure 9.1 Multithreaded versus Single-Threaded SORT Procedure
Figure 9.2 Contrasting Scalability Performance
Figure 9.3 Phase-Gate and Parallel Software Models
Figure 9.4 Inefficiency Elbow on SORT Procedure
Figure 9.5 Inefficiency Elbow Solutions
Figure 9.6 Scaling with Efficiency
Figure 9.7 Incremental Refactoring to Support Increased Software Performance
Chapter 10: Portability
Figure 10.1 SAS University Edition Performance Limitations
Chapter 12: Automation
Figure 12.1 SAS Display Manager at Startup
Chapter 14: Modularity
Figure 14.1 Transitive Property of Data Analytic Software
List of Tables
Chapter 1: Introduction
Table 1.1 Sample Risk Register
Chapter 2: Quality
Table 2.1 Common Objectives and Questions
Chapter 4: Reliability
Table 4.1 Sample Failure Log for SAS Software Run Daily for Two Months
Table 4.2 Inclusive versus Exclusive MTBF Calculations
Chapter 5: Recoverability
Table 5.1 Sample Failure Log for SAS Software Run Daily for Two Months
Chapter 6: Robustness
Table 6.1 Abbreviated Risk Register
Chapter 7: Execution Efficiency
Table 7.1 Control Table Demonstrating Parallel Processing
Chapter 9: Scalability
Table 9.1 Control Table Demonstrating Parallel Processing
Table 9.2 FULLSTIMER Metrics for SORT Procedure at Inefficiency Elbow
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