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Thread: Markov model

  1. #1
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    Default Markov model

    Hi im really finding it hard to see what is wrong with my code. any help would be greatly appreciated.
    It is for this project : project_3 - RW 144



    import org.w3c.dom.Node;
    public class LinkedList
    {
    private Node first;
    Node last;
    private class Node
    {
    Node next;
    String Kgram;
    int[] asci = new int[127];
    int count =0;
    }


    LinkedList() // default constructor
    {
    first = new Node() ;
    }
    LinkedList(LinkedList l) // copy constructor
    {
    first = l.first;
    }

    private void check(String current,Node last )
    {
    char cchar = current.toString().charAt(0);
    int iaski = ((int)cchar);

    last.asci[iaski]++;

    }

    public void add(String kgram) // adds a kgram to the linked list if it already exists then it increments its count
    {

    String silly;
    if (first.Kgram == null)
    {
    System.out.println("first added");
    System.out.println(kgram);
    first.Kgram = kgram;
    last = first;
    return;
    }
    for(Node x=first ;x != null;x=x.next)
    {
    silly = x.Kgram.toString();
    if(silly.equals(kgram))
    {

    System.out.println("double");
    System.out.println(kgram);
    x.count++;
    check(kgram, last);
    last = x;
    return;
    }

    if(x.next ==null)
    {

    System.out.println("single");
    System.out.println(kgram);
    Node newnode = new Node();
    newnode.Kgram = kgram;
    x.next = newnode;

    check(kgram, x);
    last = x.next;
    }
    }
    }

    void printList() // prints all the item of the list in order
    {
    char c ;
    for(Node x = first; x!= null;x = x.next )
    {
    System.out.print(x.Kgram) ;
    for(int i=0;i<127;i++)
    {
    if(x.asci[i]>0)
    {
    c = (char) i;
    System.out.print("" + c + "" + x.asci[i]);
    }
    }
    System.out.println();
    }

    }

    public static void main(String [] args)
    {
    LinkedList l = new LinkedList();
    l.add("aa");
    l.add("ag");
    l.add("ad");
    l.add("ae");
    l.add("af");



    l.printList();



    }

    }


  2. #2
    Super Moderator curmudgeon's Avatar
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    Default Re: Markov model

    Quote Originally Posted by KobusJordaan View Post
    Hi im really finding it hard to see what is wrong with my code. any help would be greatly appreciated.
    It is for this project : project_3 - RW 144
    You may wish to provide more information to allow us to be better able to help you, information such as what exactly is the program supposed to be doing (don't use a link for this, please put the effort in to post it in with your question -- we're volunteers after all), what errors if any are you seeing, how your program is misbehaving, etc...
    Last edited by curmudgeon; October 19th, 2012 at 10:15 PM.

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