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Data Mining with Weka -Installation

Weka - Data mining Tool W eka is a tool for big data and data mining. It is used to various classification, experiments, and analysis over large data sets. Installation Guide -weka  You can download Weka from   here   and follow the normal installation procedure. After completion you will get following window, here you can begin your classification or experiment on different data sets with Weka.

Data Mining With Weka -Experiment (ALL at once- “Adult, Irish, Zoo” & “J48, Naïve Bayes, KNN)

Weka - Data Mining Tool   Experiment  (ALL at once- “Adult, Irish, Zoo” & “J48, Naïve Bayes, KNN) In this experiment I am using all algorithms and datasets at once in order to show the comparison and do the evaluation among the datasets and its correctness including standard deviation.   Here I am comparing and evaluating the previous results. v – significantly better, *-significantly worse Evaluating J48, Naïve Bayes, KNN on Zoo dataset:  We got average of 92.66(SD: 7.07), 93.69(6.99) and 96.06(5.41) percent correct using J48, Naïve Bayes, KNN on zoo dataset. It’s a  10 fold cross validation so, if we want to see individual result we can save result on CVS file from setup panel. Evaluating J48, Naïve Bayes, KNN on Iris dataset:  We got average of 95.33, 92.60, 86.47  percent correct using J48, Naïve Bayes, KNN on iris dataset. It’s a  10 fold cross validation so, if we want to see individual result we can save result on CVS file from setup panel. Eva

Data Mining With Weka - Description of Datasets

Weka - Data Mining Tool Description of Datasets   Description of Adult dataset:   Name: Adult Number of instances: 32561 Number of attributes: 15 Description about attributes:  ·          Age: Type: Numeric,  Missing: 0, Distinct:73 ·          Workclass: Type: Nominal,  Missing: 0, Distinct:9 ·          Fnlwgt: Type: Numeric,  Missing: 0, Distinct:21648 ·          Education: Type: Nominal,  Missing: 0, Distinct:16 ·          Education-num: Type: Numeric,  Missing: 0, Distinct:16 ·          Marital-status: Type: Nominal,  Missing: 0, Distinct:7 ·          Occupation: Type: Nominal,  Missing: 0, Distinct:15 ·          Relationship: Type: Nominal,  Missing: 0, Distinct:6 ·          Race: Type: Nominal,  Missing: 0, Distinct:5 ·          Sex: Type: Nominal,  Missing: 0, Distinct:2 ·          Capital-gain: Type: Numeric,  Missing: 0, Distinct:119 ·          Capital-loss: Type: Numeric,  Missing: 0, Distinct: 92 ·          Hours-per-week: Type: Num

Data Mining With Weka -DataSets

Weka - Data Mining Tool Data Sets You can download datasets from  Here   (eg. Adult, Irish, Zoo etc used here) and save the datasets in to “.arff” format. All the datasets are in numeric value format so I changed it into Nominal values in order to process by algorithms used in Weka by following process:          Click Open file in order to open dataset file eg. Adult.arff          Select Choose > Filter > Unsupervised >attribute> NumericToNominal          Click All to apply change to all  attributes          Click Apply          See the Result > Type: Nominal         Click Save to save the result eg. Adult.arff Furthermore, we can found number of attribute as 15, and instances as 32562 and Relation as conversion to Nominal. Same Procedure applied to all data sets for eg: In irish , we can found number of attribute as 5, and instances as 151 and Relation is not shown because here yet to apply the changes.And another  dataset (Zoo.arff) also follows sam