728x90
Business Intelligence & Analytics
- BI Definition
- Application for gathering, storing, analyzing, accessing data and help “Better Decision” for business
- Activities of decision support, query, reporting, online analytical processing (OLAP), statistical analysis, forecasting, and data mining
- Improve and optimize decision and performance
- BA Definition
- Study of data through statistical and operations analysis
- Comprised of solutions used to build analysis model and simulations to create scenarios understand realities and predict future states
- Big Data
- AI, Mobile, social communities, IoT
- Ability of traditional relational databases to capture, manage and process the data with low-latency
- Advanced analytics techniques against very large, and diverse dataset - structured and unstructured data
- Types
- Volume
- Variety
- Velocity
- Variability
- Complexity
- Models Types
- Qualitatives models
- Expert Opinion: Internal and external to the firm
- 해석기반
- Can be — Review, press, or anything that comes with sentences
- Bias of author or modeler
- Heuristics often employed
- 복잡한 문제나 결정을 빠르게 선택하기 위해 사용되는 기법
- Rule of Thumb, educated guess, intuition
- Expert Opinion: Internal and external to the firm
- Quantitative Model
- Assume relationship to a key factor and adjust forecast accordingly
- 숫자, 도형, 도표 등으로 나타낼 수 있는 것
- Example Types of Models
- Econometrics
- Y = A + L + K + e
- Econometrics
- Linear Regres
- Using existing data to develop an estimation model for forecasting the future
- Must include variables
- Qualitatives models
- First Step Regardless of Method
- Describe the data
- What do the data look like: scatter chart? Table of key stats?
- What are possible data characteristics?
- Think about factors that influence the data
- Trend, Seasonality, cycles, random variation such as war, COVID19…etc
- Describe the data
- Linear regression
- Estimated equation: Y=a+bx+error
- Firm
- Derinition
- Alternative to the market coordination of economic activity
- Firm takes inputs and turn them into outputs via production process
- Firm chooses to use the most efficient mix of inputs based upon input price
- Firm is a giant information processor
- How firm organize
- Fianance
- Accounting
- Marketing
- HR
- Operations
- Derinition
- Chain
- Porter said: Value chain activities are comprised of two sub-components
- Physical
- Informational
- Definition
- Flow of materials, information, and services from raw material suppliers through factories and warehouses to the end customer
- Major components
- Upstream supply chain
- Internal supply chain
- Downstream supply chain
- IT and Supply chain
- IT can be used to enable efficient information flow between firms
- Porter said: Value chain activities are comprised of two sub-components
- Cost arise
- External Environment
- Transaction costs: Conducting transactions in the marketplace with business partners
- Operation cost
- Costs of producing products and service
- Distribution related cost
- Supply chain related cost
- Internal environment
- Agency cost
- Cost of contracts, enforcement, bad decisions
- Information cost
- Agency cost
- External Environment
728x90
'공부 > IT 기타' 카테고리의 다른 글
[ArcGIS Online] Dashboard 기본 기능 설명 (2) | 2025.01.09 |
---|---|
내 인스타그램을 평가해주는 AI (0) | 2024.08.20 |
Real Estates Photography (0) | 2024.04.18 |
CLF-C01: AWS Certified Cloud Practitioner 합격 후기 및 덤프 (2023) (9) | 2024.04.12 |
Sample Statistics (1) | 2024.04.12 |