The Data Mining Forum                             open-source data mining software data mining conferences Data Science for Social and Behavioral Analytics DSSBA 2022 data science journal
IMPORTANT: This is the old Data Mining forum.
I keep it online so that you can read the old messages.

Please post your new messages in the new forum: https://forum2.philippe-fournier-viger.com/index.php
 

Current Page: 1 of 1
Results 1 - 20 of 20
10 years ago
ismah
i had checked ur algo for association rule mining there is code with lift and without lift what does this lift mean? i tried to run it for the tennis dataset but doesnt give any output? same code works for string or any changing required
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
actually i want to modify the original concept of fp tree with classification so in that matter child of the root should be values of the class attribute values as in decision tree of classification. i jst want to ask how should i do that.i was thinking about it and get an idea if we create the fp trees of each class and then store it some data structre and then add it to the another tree can it b
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi, sir now i want to implement the fp tree with root null and the child to the root should be the values of the class attribute means each branc of the fp tree is starting with the class attribute value like this e.g we have class values a,b,c null / | \ a b c plzz help me in this matter
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
thanks alot sir. this will really help me alot in my algo
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
im using fp growth for strings and taking tennis.txt example. l also dont know which version of spmf im using.
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
one more thing that how to calculate the frequent item and show them? had u included the itemset and itemsets file to calculate nad print the itemsets?
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
public void addTransaction(List<String> transaction) { FCPNode currentNode = root; // // For each item in the transaction for(String item : transaction){ // look if there is a node already in the FP-Tree FCPNode child = currentNode.getChildWithID(item); if(child == null){ // there is no node, we create a new one
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
i have tried to print the same way you told but it does not work. i use tennis.txt example to run it whenever i print the values add in transaction it gives only yes value again and again but when i run it with the example given it correctly shows the values.why it happens so
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
okk thankss alot
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
when ever i tried to print the current node in fptree class file i does not show any value. what should i pass to print function to display the fp tree in console
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi , i want to display fp tree using code in spmf software of fp growth. how could i do this... kindly help me in this matter.. it very urgent
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
the problem occurs where we extract the transaction and get the support of the item and compare it with relative support.following is the transaction yes overcast hot high false it gives the support of false item equal to null. that is why it gives null pointer exception . tell me how to handle it
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi, i am implementing fp growth code for classification following code in spmf. but i run the fp growth for string it does not give any output. i want to add the code for making the transaction in descending order of the support but it give error null pointer exception where it compares the values to sort in descending order. plz tell me where the problem occurs
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi,i am implementing fp growth for classification. i had taken the target attribute and get its values and apply for each loop on the target attribute values and try to extract the transactions from db related to one value and then calculate the support of items with respect to tha . it correctly extractes the transaction for first target attribute vlaue but in second iteration it concatenates th
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
no i dnt ok i again check it. do u have any java code on Classification based on association. actually i am doing project on classification based on fp tree so i want ur help in this regard as im new in this field.
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
i use the tennis.txt file
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi, i found the reason why it gives such an error, the problem was the directory for the source package. i was checking the algorithms in the gui i havent found id3 algo? but it is in code but when i tried to run it through test file it give an exception Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 4 at pfv.spmf.algorithms.classifiers.decisiontree.id3.AlgoI
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi, the code has now runned but when i click the ellipses to enter input file it gives an error message "java.lang.RuntimeException:Uncompilable source code- Erroneous sym type: pfv.spmf.gui.PathsManger.getinstance.getInputfilePath
Forum: The Data Mining / Big Data Forum
10 years ago
ismah
hi, i want to ask u please tell me how could i run the spmf source code software in netbeans fpr frequent pattern mining. as i run the main test file of algorithm it always give an en unexpected error occured. should i have to install any other file to run it or some other method is required to run. also i want to ask do u have any code of classification based on association.if yes then please se
Forum: The Data Mining / Big Data Forum
Current Page: 1 of 1

This forum is powered by Phorum and provided by P. Fournier-Viger (© 2012).
Terms of use.