DataMining | Java implementation of the classic Data mining

 by   13952522076 Java Version: Current License: No License

kandi X-RAY | DataMining Summary

kandi X-RAY | DataMining Summary

DataMining is a Java library. DataMining has no bugs, it has no vulnerabilities and it has low support. However DataMining build file is not available. You can download it from GitHub.

Java implementation of the classic Data mining (big data) algorithm. Create a new Java project, and copy this project to the SRC directory is ok.

            kandi-support Support

              DataMining has a low active ecosystem.
              It has 24 star(s) with 15 fork(s). There are 3 watchers for this library.
              It had no major release in the last 6 months.
              DataMining has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of DataMining is current.

            kandi-Quality Quality

              DataMining has 0 bugs and 0 code smells.

            kandi-Security Security

              DataMining has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              DataMining code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              DataMining does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              DataMining releases are not available. You will need to build from source code and install.
              DataMining has no build file. You will be need to create the build yourself to build the component from source.
              DataMining saves you 4828 person hours of effort in developing the same functionality from scratch.
              It has 10178 lines of code, 610 functions and 112 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed DataMining and discovered the below as its top functions. This is intended to give you an instant insight into DataMining implemented functionality, and help decide if they suit your requirements.
            • The main method
            • Runs ANTOT tool
            • Display input
            • Main method for testing
            • Runs the test program
            • Show a random forest
            • The main test function
            • Display CBA tool
            • Entry point
            • Test program
            • Main program
            • Login
            • Command - line tool
            • Main launcher
            • Main entry point
            • Display the input file
            • Split the cluster
            • Main program
            • Launch the kMeans algorithm
            • Entry point to the KNNTool tool
            • Test classifier
            • Entry point for testing
            • Read the data from the file
            • Performs the minimizing algorithm
            • Get the svm problem
            • Read the data from the classpath
            • Remove edge
            • Reads the entire graph file
            • Reads all points from a file
            • Load svm model from a file
            • Saves model to disk
            Get all kandi verified functions for this library.

            DataMining Key Features

            No Key Features are available at this moment for DataMining.

            DataMining Examples and Code Snippets

            No Code Snippets are available at this moment for DataMining.

            Community Discussions


            How to use 'Count', based on a particular column in SQL
            Asked 2021-May-03 at 17:46

            I have a query and which give the count greater than 1, but what I expect is I need the result to be based on particular column(Rollno.) How to achieve it.

            Table Studies



            Answered 2021-May-03 at 09:01

            like this? I do not confirm your needs, but the internalstaff_2 column can refer to STRING_AGG() to replace the nested subquery in the following script.



            How could I find the number of instances per fold, in my dataset?
            Asked 2021-Mar-24 at 01:52

            I have been given an .npz file containing the data. I have explored the dataset, and noted that it has 5 datatypes:



            Answered 2021-Mar-24 at 01:52

            Ok, since you are new to programming I will explain how indexing works (in numpy, which is an almost-universal mathametical library in python).

            Say we have a variable folds which is defined as:



            How to apply filter for percentage when it contains strings along with it in SQL Server
            Asked 2021-Mar-13 at 12:46

            I wrote this query to filter out the results below 38 percentage. But when I execute I get the random result with no errors and not the expected results.



            Answered 2021-Mar-13 at 05:34

            Assuming the percentage is less than 100, below code computes the numeric value within the string column and gives you the list of percentages which are less than or equal to 38. This will not work in all cases as the percentage column is not normalized.



            How to get the values present within 4 weeks / 28 days from the existing date in SQL Server
            Asked 2021-Jan-25 at 17:17

            From this table EmpRecord:



            Answered 2021-Jan-25 at 17:17

            You could use DATEDIFF() to determine the number of days between your StartDate and JoiningDate and evaluate if that is less than or equal to 28 days.

            We'll use the ABS() function around DATEDIFF(). That gives us the absolute(positive) value to then evaluate against 28 days.



            How to fetch values from starting of the year in MS SQL
            Asked 2021-Jan-25 at 14:24

            I can get exact 3 years of value with the below code (from 01/24/2018 - 01/25/2021)



            Answered 2021-Jan-25 at 14:24

            Lots of ways. One is to combine YEAR, which extracts the numeric year value from a date and DATEFROMPARTS, which constructs a date from Year, Month, and Day componenets. EG:



            Oracle SQL Developer - Data Miner Repo - Task failed
            Asked 2020-Apr-02 at 00:10

            I've been fighting against oracle sql developer for about two days and I just can't get the thing to work.

            I would like to learn more about data mining and take a look at their examples and work threw their tutorials, but I cant even get the thing setup.

            What I did:

            • Installed Oracle 12_1 database + oracle_examples.

            • I then created an administrator account via the oracle sql developer.

              • connection name: admin
              • username: sys
              • password: password
              • Role: sysdba
              • SID: orcl
              • Everything else was left as it is.
            • I then had to install all the example .sql files manually.

            • I followed the guide from here: Oracle Install Example Schemas

            I did everything exactly the same as the guide told me to do, except I had to do this "hack" command which allowed me to create users. Else I would always get the

            ORA-65096: invalid common user or role name

            alter session set "_oracle_script"=true;

            The new users now show up in every connection that I create in my SQL Developer under "other users". (HR, OE, etc..)

            Now I created a new user "dmuser" like the guide told me to do here: (yes - with sql plus)

            Oracle create a datamining user

            Now I wanted to install the data miner repo. Which should be very easy: Tools, data miner, make visible. And the data miner window showed up. I then added my dmuser connection, double click dmuser to install the data miner repository. I then press start to install the repo and then it says "Task Failed" with the MOST useless error message I have ever seen:



            Answered 2017-Jul-20 at 11:03

            Aight, be prepared for a complicated answer...

            Sql developer exectues a .sql file to install the data miner repo. The sql is named "installodmr.sql". Found the info here: Install repo by script

            I had a look at the script and what it does. It opens more scripts which insert tables, and users and grant privileges etc...

            The problem why the script would not execute correctly was due to a couple of reasons.

            1) As mentioned in my question, I can't just create a user, I have to type the command:



            how to neglect case sensitivity in os.rename replace
            Asked 2019-Oct-21 at 20:14

            I have a script that replaces file names with a new filename that I specify, however, right now it is case sensitive (if a filename = DM, but I enter Dm, it is not being replaced)

            I already tried filename.lower(), in the os.rename, but it doesn't seem to work. There are no errors though, that filename remains unaltered though.



            Answered 2019-Oct-21 at 20:14

            Your actual file names are not necessarily in lowercase, but you're passing to the replace method a lowercase string of 'dm'. It cannot find the lowercase 'dm' in the file name and therefore returns the same file name, resulting in os.rename doing nothing.

            You can lowercase the file name before you call the replace method instead:



            How can I get corresponding list values in one dictionary from another python dictionary where they are listed as keys, compare and print out a csv?
            Asked 2018-Dec-19 at 18:41

            I created a default dictionary from a large amount of data which has values as a list as previewed below. The default_dictionary values are represented as lists in the default dictionary.



            Answered 2018-Dec-02 at 14:14

            The code below does the following:

            1. Create a new dictionary that holds those records that occur in both of your dictionaries, with each list sorted from lowest to highest 'sum' (I have written it in one expression; for readability you could consider breaking it down into steps)
            2. Go through the new dictionary and see whether the lowest-sum item must have its own line (when it is the only item) or not
            3. Go through the items that must have their own line and output the contents as you formatted them above.

            Alternatively you could import it into a DataFrame, to let Pandas handle saving as CSV. I hope this helps.



            Conflicts caused by the use of kafka and HBase
            Asked 2018-Nov-22 at 09:45

            When I use "spark streaming" to read "kafka" (requiring sasl validation) and then store the data to "HBase", "HBase" gives the following error

   java.lang.reflect.InvocationTargetException at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection( at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection( at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection( at at$$anonfun$main$1$$anonfun$apply$2.apply(BaseInfoLogAnalysisStart.scala:78) at$$anonfun$main$1$$anonfun$apply$2.apply(BaseInfoLogAnalysisStart.scala:75) at org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1$$anonfun$apply$29.apply(RDD.scala:925) at org.apache.spark.rdd.RDD$$anonfun$foreachPartition$1$$anonfun$apply$29.apply(RDD.scala:925) at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1956) at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:1956) at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87) at at org.apache.spark.executor.Executor$ at java.util.concurrent.ThreadPoolExecutor.runWorker( at java.util.concurrent.ThreadPoolExecutor$ at Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance( at sun.reflect.DelegatingConstructorAccessorImpl.newInstance( at java.lang.reflect.Constructor.newInstance( at org.apache.hadoop.hbase.client.ConnectionFactory.createConnection( ... 15 more Caused by: java.lang.ExceptionInInitializerError at org.apache.hadoop.hbase.ClusterId.parseFrom( at org.apache.hadoop.hbase.zookeeper.ZKClusterId.readClusterIdZNode( at org.apache.hadoop.hbase.client.ZooKeeperRegistry.getClusterId( at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.retrieveClusterId( at org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.( ... 20 more Caused by: java.lang.NullPointerException at$PlainSaslServerFactory.getMechanismNames( at$FastSaslServerFactory.( at at org.apache.hadoop.ipc.RPC.getProtocolProxy( at org.apache.hadoop.hdfs.NameNodeProxies.createNNProxyWithClientProtocol( at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy( at org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider$DefaultProxyFactory.createProxy( at org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider.getProxy( at at at at org.apache.hadoop.hdfs.NameNodeProxies.createProxy( at org.apache.hadoop.hdfs.DFSClient.( at org.apache.hadoop.hdfs.DFSClient.( at org.apache.hadoop.hdfs.DistributedFileSystem.initialize( at org.apache.hadoop.fs.FileSystem.createFileSystem( at org.apache.hadoop.fs.FileSystem.access$200( at org.apache.hadoop.fs.FileSystem$Cache.getInternal( at org.apache.hadoop.fs.FileSystem$Cache.get( at org.apache.hadoop.fs.FileSystem.get( at org.apache.hadoop.fs.FileSystem.get( at org.apache.hadoop.fs.FileSystem.get( at org.apache.hadoop.fs.Path.getFileSystem( at org.apache.hadoop.hbase.util.DynamicClassLoader.initTempDir( at org.apache.hadoop.hbase.util.DynamicClassLoader.( at org.apache.hadoop.hbase.protobuf.ProtobufUtil.( ... 25 more

            But when I read another "Kafka" (without sasl validation), there was no problem with "HBase. In addition, "HBase" is required for "kerberos" authentication I think there is a conflict between kafka's sasl certification and hbase's kerberos certification Is there anyone who can give me some advice?



            Answered 2018-Nov-22 at 09:45

            I seem to have found the answer:

            Then I manually specify the dependencies(The version I used to use was



            Using SelfOrganizing map som from hackage for List of Lists
            Asked 2018-Sep-23 at 13:49

            i wanted to use the som package from to test some things with my own Data. I have looked up the example

            and i have to rewrite the code for my use case which is Data Like Float or Double Lists in a List



            Answered 2018-Sep-23 at 13:49

            I found my answer for this problem after checking and trying out the other exmple given in

            Using the function euclideanDistanceSquared and adjustVector provided by the som lib instead of my defined ones worked for me.


            Community Discussions, Code Snippets contain sources that include Stack Exchange Network


            No vulnerabilities reported

            Install DataMining

            You can download it from GitHub.
            You can use DataMining like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the DataMining component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer For Gradle installation, please refer .


            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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