Computational Business Modeling

Question 1

Why modeling?

Answer 1

1 Understand the system
2 Communicate desired structure and behavior of the system
3 visualize and control system architecture
4 manage risk in development process

Question 2

Types of Business Modeling Languages

Answer 2

1 Business Process Management Notation (BPMN)
2 Event-Driven-Process-Chains (EPC)
3 Activity Diagrams (part of UML)

Question 3

Why care about Python?

Answer 3

• free
• easy to learn
• versatile
• well connected
• fashionable

Question 4

Syntax

Answer 4

Structure of language
no room for error
handled by compiler

Question 5

Variables

Answer 5

• address area on main-memory

- has data type

Question 6

Integer Division

Answer 6

//

Question 7

Potentiation

Answer 7

**

Question 8

Table Test

Answer 8

-> understand flow of algorithm on paper
1 record table with one column per variable
2 note any change to variable

Question 9

Relational Operators

Answer 9

==
>
<
!=

Question 10

Logical Operators

Answer 10

and
or

Question 11

Dictionaries are kind of lists with…

Answer 11

…keys as index

Question 12

Functions that do not return anything are “—” functions

Answer 12

“void”

Question 13

Flow of Execution

Answer 13

• top to bottom
• functions must be defined or imported
• called function runs outside of script top to bottom

Question 14

writing or reading a program without exactly following the flow of execution through every function is termed a

Answer 14

Leap of Faith

Question 15

Leap of Faith

Answer 15

we fill in needed function later.

Question 16

Incremental Development

Answer 16

1 listing steps as comments
2 write first lines and check
3 add and change incrementally, hold intermediary values in variables
4 test after each incremental step

+likely to find errors
+complexity reduction

afterwards increase efficiency!

Question 17

Programming Paradigms

Answer 17

1 imperative (step-by-step)
2 procedural (user-defined functions)
3 functional (like R)
4 object-oriented

Question 18

classes have

Answer 18

Attributes

Methods

Question 19

Why use objects?

Answer 19

relational data-storage

relevant functionality

Question 20

Prototype and Patch

Answer 20

1 Write code without error but not quite the result
2 patch by adding code
3 clean up

Question 21

Aliasing does not apply to..

Answer 21

integers, floats, and strings but ALL ELSE

Question 22

3 Perspectives on Code

Answer 22

1 Executable
2 Script
3 Notebook

Question 23

Code Documentation

Answer 23

1 Comments and Handbooks (classic)
2 Docstrings
3 Automated