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K nearest neibour c code implementation
This project forked from chaplinwang/knn
K nearest neibour c code implementation
READ ME. FILES: knn.h : header file knn.c : main functions implementing leave one out cross validation getfile : file to read arff info knnfunc.c : implementation of knn Makefile : build up file result.txt : result of coreect rate regarding to different k value *.arff files: arff files from course website (ionosphere.arff & autos.arff) HOW to compile: unzip the zip file and go to where it unziped interminal: 1. type "make" to buld the file 2. put ionosphere.arff & autos.arffinto current directory How to run the programme: 1. type ./knn to run it 2. follow the prompt: STEP 1: =======Which file do you want to use?:======== 1.ionosphere.arff 2.auto.arff enter 1 or 2 or 3(use your own file): enter 1 or 2 to select file then press enter; STEP 2: =======which attribute do you want to predict?======== *Select from follwing: 0 : @attribute a01 real 1 : @attribute a02 real 2 : @attribute a03 real 3 : @attribute a04 real ....... enter the number 0,1,2,.... to choose an attribute, then press enter; STEP 3: ========What k value do you want to use?======== please enter: enter a positive integer k value, then press enter; STEP 4: check result: ...... Correct Prediction, predict b actualral b Correct Prediction, predict b actualral b Wrong Prediction, predict g actualral b Correct Prediction, predict b actualral b ========Total 351 |Correct 298 |Correct rate 0.849003========
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