Data Analytics Flashcards
Conditional probability
Probability of event A occurring, given that event B occurs
Association analysis
Task of finding interesting relationships in large datasets
Hadoop
Java language; allows for distributed processing, of large datasets across clusters of computers
3 V’s of Big Data
Volume; Variety; Velocity
Kano Analysis
Impact on customer satisfaction
SAAS
Software as a Service
Statistical significance
Defines whether the null hypothesis is assumed to be accepted or rejected
Quantitative
Numbers based, countable, measurable
Qualitative
Interpretation based, descriptive, relating to language
Type I error
False-Positive: rejecting null hypothesis when it’s true
Type II error
False-Negative: Failing to reject null hypothesis when it’s false
Type III error
Correctly rejecting null hypothesis for wrong reason
Nominal data
E.g., Male v Female
Ordinal data
E.g., 1st, 2nd, 3rd
Mann Whitney U Test
Test whether two samples are likely to derive from the same population
