Due to recent updates, all users are required to create an Altair One account to login to the RapidMiner community. Click the Register button to create your account using the same email that you have previously used to login to the RapidMiner community. This will ensure that any previously created content will be synced to your Altair One account. Once you login, you will be asked to provide a username that identifies you to other Community users. Email us at Community with questions.
"Agglomerative Clustering"
singlepoint
Member Posts: 2 
Contributor I
Hey Guys,
I am new to RapidMiner and I have to apply Agglomerative Clustering on my dataset. I have the following tree structure of operators
CSVExampleSource->AgglomerativeClustering->performance
when I check the validity of the operator chain, RapidMiner says that it contains no error but when I run it, it gives me an error message like this. I am sending the whole log file. The error message box reads that there is no error in the processes but consult the log file and here is the log file.
Root[1] (Process)
+- CSVExampleSource[1] (CSVExampleSource)
+- AgglomerativeClustering[1] (AgglomerativeClustering)
+- Performance[0] (Performance)
G Apr 23, 2010 1:54:07 PM: [Fatal] NullPointerException occured in 1st application of AgglomerativeClustering (AgglomerativeClustering)
G Apr 23, 2010 1:54:07 PM: [Fatal] Process failed: operator cannot be executed. Check the log messages...
Root[1] (Process)
+- CSVExampleSource[1] (CSVExampleSource)
here ==> +- AgglomerativeClustering[1] (AgglomerativeClustering)
+- Performance[0] (Performance)
I am new to RapidMiner and I have to apply Agglomerative Clustering on my dataset. I have the following tree structure of operators
CSVExampleSource->AgglomerativeClustering->performance
when I check the validity of the operator chain, RapidMiner says that it contains no error but when I run it, it gives me an error message like this. I am sending the whole log file. The error message box reads that there is no error in the processes but consult the log file and here is the log file.
Root[1] (Process)
+- CSVExampleSource[1] (CSVExampleSource)
+- AgglomerativeClustering[1] (AgglomerativeClustering)
+- Performance[0] (Performance)
G Apr 23, 2010 1:54:07 PM: [Fatal] NullPointerException occured in 1st application of AgglomerativeClustering (AgglomerativeClustering)
G Apr 23, 2010 1:54:07 PM: [Fatal] Process failed: operator cannot be executed. Check the log messages...
Root[1] (Process)
+- CSVExampleSource[1] (CSVExampleSource)
here ==> +- AgglomerativeClustering[1] (AgglomerativeClustering)
+- Performance[0] (Performance)
Tagged:
0
Answers
I would strongly recommend an update to the newest 5.0 version of RapidMiner. Unfortunately we can't support earlier community versions in detail anymore.
Greetings,
Sebastian