1. DL
  • Data collection
  • Data Communication
  • Data Analysis
  • Data Interpration
  • Critical Thinking
  1. Terms
  • Dataset
    a collection of information
  • Feature
    characteristics can be measured or observed
  • Instance
    individual records or observations in a dataset
  1. Types of Dataset
  • Structured Data
  • Unstructrued Data
  • Semi-Structured Data
  1. Big Data
  • V’s Characteristics
  • Volume(Size or Quantity)
  1. storage infrastructure
  2. high-performance
  3. how long
  4. data management
  • Variety
  • Velocity(Batch,Near Real-Time,Real-Time,Streaming)
  1. speed of growth
  2. speed of transmission
  • Veracity(Accuracy,Completeness,Consistency,Timeliness,Validaity,Reliability,Trustworthiness)
  • Value(Worth,significance,usefulness)
  • Variability
  • Visualization
  • Volatility
  • Vulnerability
  • Validity
  • Venue

  1. Type of Metadata

  2. Data Lifecycle

  3. Data Type

  4. Data Format