EXPERIMENT NO:1
Aim:
Create a dataset using ARFF and CSV formats and load into the Weka Explorer.
Description:
We need to create an Employee Table with training data set which includes attributes like name,
id, salary, experience, gender, phone number.
Procedure:
Steps for creating and loading .arff file.
1) Open Start 🡪All Programs🡪 Accessories🡪Notepad
2) Type the following training data set with the help of Notepad for Employee Table.
@relation employee
@attribute name {x,y,z,a,b}
@attribute id numeric
@attribute salary {low,medium,high}
@attribute exp numeric
@attribute gender {male,female}
@attribute phone numeric
@data
x,101,low,2,male,250311
y,102,high,3,female,251665
z,103,medium,1,male,240238
a,104,low,5,female,200200
b,105,high,2,male,240240
3) After that the file is saved with .arff file format.
4) Minimize the arff file and then open Start 🡪 Programs🡪 weka-3-4.
5) Click on weka-3-4, then Weka dialog box is displayed on the screen.
6) In that dialog box there are four modes, click on Explorer.
7) Explorer shows many options. In that click on ‘open file’ and select the arff file
8) Click on edit button which shows employee table on weka.
Steps for creating and loading CSV file.
1) Start Microsoft Excel and add data to a new spreadsheet. For example, type “32,” “19” and
“8” in cells “A1,” “A2” and “A3,” respectively.
2) Click the “File” tab on the ribbon and then choose “Save As.” Click the arrow next to “Save
as Type” and choose “CSV (Comma Delimited)” from the drop-down list.
3) Change the file name to one you prefer. Select the location to save the file, then click the
