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Information and data - Coggle Diagram
Information and data
Data types
Alphanumeric
any combination of numbers,letters or symbols
numeric
decimal
percentage
integer
real
currency
date
normally numbers in order to see a date
boolean
only 2 possible answers (true of false)
methods of collecting data
primary research
the gathering of data done by yourself
secondary research
the gathering of data that is done by someone else and already exists
Methods
online questionaires
emails
books and magazines
interviews
government statistics
websites
Information
information=data+context+meanings+structure
Validation and verification
validation
ensuring the data inputted is accurate to its criteria not neccessarily correct
types of validation
range check
length check
format check
type check
presence check
limited choice
lookup
verification
types of verification
double entry
manual checking
ensuring data is correct and links to a certain account or user
