BI Flashcards

1
Q

Business intelligence-

A

information that people use to support their decision making

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2
Q

Data warehouse

A

condensed summary of all operational data bases, used for data mining
same as analytical database

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3
Q

Data mart

A

subset of data warehouse

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4
Q

Data mining

A

process of analyzing data to extract info no offered by raw data alone

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5
Q

Data cube

A

like a pivot table, a way to look at data

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6
Q

Dashboard

A

integrates info from multiple components and tailors info to individual preferences

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7
Q

Operational database

A

used to store transactional info, used for daily business process, accounting, reports

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8
Q

transactional database

A

support daily operational tasks and generate reports

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9
Q

Analytical database

A

condensed summary of all operational data bases, used for data mining
same as data warehouse

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10
Q

ETL

A

extracts, transforms, and loads data into data warehouse

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11
Q

Clustering(cluster analysis)

A

a technique used to divide an information set into mutually exclusive groups, such that member s of each group are similar to one another and members of different groups are as far apart as possible

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12
Q

Association detection –

A

finds what types of things occur together, reveals which variable are related, nature and frequency of relationships

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13
Q

Market basket analysis –

A

analyzes web sites and detects peoples buying behavior and predicts future buying

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14
Q

Key influencers analysis –

A

factors that can significantly predict, to some degree, or explain a variance in another factor(logistic regression and linear, neutral network, decision tree, naïve bayes methods – know that these predict)

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15
Q

Time series analysis(forecasting)

A

predictions made on the basis of time-series info(time stamped info collected at a particular frequency)

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16
Q

Data cleaning/scrubbing

A

process that weeds out, fixes or discards inconsistent, incorrect or incomplete info