INFO 1010 Lecture Notes - Lecture 4: Business Process Reengineering, Data Analysis, Statistical Inference
8 Nov 2016
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Hardware servers: manages info routers: transports info terminals: displays data security: keeps data protected firewalls: keep data inside. Software email: stay in contact, send things scheduling: documenting conference/vtc: group skype. Enterprise resource (planning ) systems: tps, supply chain system, accounting system, customer relations system, hr system, executive info systems (dashboard, business process reengineering (analysis and design of workflows and processes within and organization) Back end systems: warehousing, data mining (sifting through very large amounts of data for useful info, analytics. 17. 42% of all stats made up on spot. Businesses will succeed if they make business decisions. Collect data: population (census if available, sample (could be missing data) Data analysis (break down data: basic descriptive statistics. Graphs/ranges/average: sometimes sufficient enough to begin decision. Statistical analysis: analyze sd, average, etc. Ex: mailmen drive certain routes to minimize miles driven: regression, time series analysis, optimization, simulation. Scales: nominal (categorical), ordinal (categorical), interval (quantitative), ration (quantitative), time series/cross sectional.
