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51 Cards in this Set

  • Front
  • Back

No guarantee that there are meaningful pattern

UNSUPERVISED LEARNING

6 association rule mining

Item set


Support count


Support


Frequent itemset


Association rule


Confidence

find rules that will predict the occurence of an item

ASSOCIATION RULE MINING

support is greater or equal to minimum support

FREQUENT ITEMSET

finding hidden pattern within data

UNSUPERVISED LEARNING

no easy way to measure errors

UNSUPERVISED LEARNING

implication expression

ASSOCIATION RULE

find occurence of 1 item in relation to 1 item

ASSOCIATION RULE MINING

group items together that has the same characteristic.

CLUSTERING

collection of one or more item

ITEM SET

Finding groups of objects in a group will be similat to one another

CLUSTERING

ask data from the web

WEB MINING

may minimum # na gusto ireach

FREQUENT ITEMSET

Frequency on occurence af an itemset

SUPPORT COUNT

measure how often item lumabas

CONFIDENCE

reduce the size of large data sets

SUMMARIZATION

fraction of transactions contain an itemset

SUPPORT

groupings as a result of an extrnal specification

RESULT OF A QUERY

areas are not identical

GRAPH PARTITIONING

set of nested cluster

HIERARCHICAL CLUST

What is not cluster analysis

SUPERVISED CLASSIFICATION


SIMPLE SEGMENTATION


RESULT OF A QUERY


GRAPH PARTITIONING

have a class label information

SUPERVISED CLASSIFICATION

non overlapping subsets

PARTITIONAL CLUSTERING

tree like diagram that records the sequence of merge

DENDOGRAM

related document for browsing

UNDERSTANDING

each cluster associated with centroid

K MEANS CLUSTERING

visualized as dendogram

HIERARCHICAL CLUSTERING

most popular hierarchical technique

AGGLOMERATIVE CLUSTERING ALGORITH

mean of the point in the cluster

CENTROID

measured by euclidean dustance

CLOSENESS

CODE FOR PLOTING

library(cluster)

filtered out

STOP WORDS

basic algorithm

STRAIGHT FORWARD

data colection via web crawlers

WEB CONTENT OR STRUCTURE MINING

HTML, XML ,text format

WEB MINING

related to data mining and text

WEB MINING

pre processing


post processing


web content mining


search engine mining

WEB CONTENT MINING

textual content on the web

WEB CONTENT OR STRUCTURE MINING

generate structure summary

WEB STRUCTURE MINING

largest repository data

WEB MINING

hindi lang text pwedeng image, videos etc.

WEB DATA

semi-automated process

TEXT MINING

1st impost structure to the data then mine the structure data

TEXT MINING

reducing inflected words

STEMMING

large collection of structure texts

CORPHA (CORPUS)

nakaarrange accdg. to table

STRUCTURED DATA

categorized block of text

TOKENING

Determing the lifetime value of clients

WEB MINING

sequenrial patterns

DATA MINING TECHNIQUES

loses all order specific

BAG OF TOKEN APPROACH

single word or phrase

TERM