addc | streaming clustering of non-stationary data

 by   carsonfarmer Python Version: Current License: MIT

kandi X-RAY | addc Summary

kandi X-RAY | addc Summary

addc is a Python library. addc has no bugs, it has no vulnerabilities, it has build file available, it has a Permissive License and it has low support. You can download it from GitHub.

This module implements an on-line (streaming) agglomerative clustering algorithm (AddC) for non-stationary data as described in Guedalia et al., with modifications as given in Zhang et al.. Further improvements include building the main AddC data-structure on top of the David Eppstein's dynamic closest-pair algorithm/data-structure (FastPair), and the ability to use a variety of different kernel functions. The AddC algorithm is simple and fast. The algorithm can be summarized in the following three steps: For each data point arriving;. The algorithm can be understood as follows: Three criteria are addressed at each time step, minimization of the within cluster variance, maximization of the distances between the centroids, and adaptation to temporal changes in the distribution of the data. In the first step the within-cluster variance is minimized by up-dating the representation in a manner similar to the well- known k-means algorithm. The second step maximizes the distances between the centroids by merging the two centroids with the minimum distance (not considering their weight). The merging is similar to most agglomerative methods. Finally non-stationarity in the data generating process is anticipated by treating each new point as an indication to a potential new cluster. There are other Python versions here and here that also look pretty cool.
Support
    Quality
      Security
        License
          Reuse

            kandi-support Support

              addc has a low active ecosystem.
              It has 15 star(s) with 1 fork(s). There are 2 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 0 have been closed. On average issues are closed in 712 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of addc is current.

            kandi-Quality Quality

              addc has no bugs reported.

            kandi-Security Security

              addc has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              addc is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              addc releases are not available. You will need to build from source code and install.
              Build file is available. You can build the component from source.
              Installation instructions, examples and code snippets are available.

            Top functions reviewed by kandi - BETA

            kandi has reviewed addc and discovered the below as its top functions. This is intended to give you an instant insight into addc implemented functionality, and help decide if they suit your requirements.
            • Euclidean distance function
            • Compute the Gaussian between two points
            • Inverse of inverse multiquadratic inverse
            • Compute the multiquadric between two points
            Get all kandi verified functions for this library.

            addc Key Features

            No Key Features are available at this moment for addc.

            addc Examples and Code Snippets

            No Code Snippets are available at this moment for addc.

            Community Discussions

            QUESTION

            How to properly setup Azure Media Player in React.js?
            Asked 2021-Apr-04 at 08:53

            I'm currently integrating a React component with Azure Media Player. I followed the documentation and first, I added the required CDN urls to the index.html file. Then I added the sample code into the App. The problem is, it throws the error 'amp' is not defined no-undef

            videoPlayer.js

            ...

            ANSWER

            Answered 2021-Apr-04 at 08:53

            When I use the amp this way, the mentioned on.progress callback works for me. Good luck!

            Source https://stackoverflow.com/questions/66423804

            QUESTION

            Div does not allow scroll despite adding scroll to style
            Asked 2021-Mar-09 at 08:16

            I have a modal in my render method:

            ...

            ANSWER

            Answered 2021-Mar-09 at 08:16

            In order to use overflow-y or overflow-x, you have to set height or width. Otherwise, it will keep using available space. If there is no space, it will go off the page.
            In your CSS file, try adding height in div-style.

            Source https://stackoverflow.com/questions/66540851

            QUESTION

            Active Directory Domain Controller can't be resolved on local machine through Point-to-Site (P2S) VPN gateway
            Asked 2020-Nov-12 at 07:33

            For development purposes, I am trying to setup:

            1. Azure Cloud: Virtual Machine with Windows Server 2019 acting as Domain Controller for Active Directory. machine also has DNS and DHCP.
            2. VPN Point-To-Site so that local (physical) workstations can connect to Domain Controller
            3. Join local (physical) workstations (Windows 10 Pro)to Active Directory domain.

            Item 1 - done. I have up and running Windows Server 2019 with AD DC Item 2 - done. From local machine (Windows 10 Pro) I can ping AD DC. Item 2a - done. I have one Azure VM (Windows Server 2019) that can also ping AD DC. Item 3 - not working. Local machine (Win 10Pro) can't join AD domain (addc.local). Item 3a - working. Azure VM (WinSer 2019) join AD domain (addc.local).

            I tried dozen of tutorials. Finally I (partially) succeeded with:

            1. Windows Server 2019 – Active Directory Installation Beginners Guide - Success
            2. How to install VPN on windows server 2019 - Fail. Can't establish VPN.
            3. Azure - VPN Point to Site | Step By Step Tutorial - Success

            Finally I got it up and running with 1 and 3.

            • Considering that Azure VM can join Active Directory, I think that AD DC is properly setup. Both machines belong to same VNET.
            • Considering that local machine can ping AD DC seams that VNET is properly setup.
            • What I don't get is why Azure VM can resolve and join 'addc.local' domain, while local machine can't. On both machines, in network adapters preferred DNS is same: IP address of Domain Controller.

            First question is why this doesn't work for local? Second questions is this proper way to do it anyway (taking into account requirements)?

            ...

            ANSWER

            Answered 2020-Nov-12 at 07:33

            In this case, you may check the followings:

            1. Usually the VPN client will inherit the DNS servers configured on the Azure VNet. If you have set the custom DNS server of the Azure VNet is the private IP address of the AD DC after you set up a client VPN connection. You could re-download your VPN client packages from the Azure portal. See this1 and this2 for more details.
            2. Can you ping or nslookup the AD DC with its FQDN like dcVM.addc.local? If not, it might be a DNS issue. Read https://docs.microsoft.com/en-us/azure/virtual-network/virtual-networks-name-resolution-for-vms-and-role-instances#name-resolution-that-uses-your-own-dns-server
            3. For best performance, when you are using Azure VMs as DNS servers, IPv6 should be disabled.
            4. Not sure, but you could try this solution.

            Source https://stackoverflow.com/questions/64792291

            QUESTION

            Happy Numbers in COBOL
            Asked 2020-Nov-05 at 17:15

            As the title implies, I'm doing a software that calculate and verify if the number inserted is a happy number (OR NOT). In COBOL language (For reference about what a happy number is https://mathworld.wolfram.com/HappyNumber.html).

            Right now, my code doesnt calculate correctly if the number is happy or not (In the program HEY = Happy and HOY = not happy :C)

            My question is, what am i doing wrong in the code? All i need now is to properly detect if its happy or not. Any help is well welcome.

            This is my current code:

            ...

            ANSWER

            Answered 2020-Nov-05 at 17:15

            QUESTION

            Mapping an object using a List<...>>
            Asked 2020-Sep-26 at 23:58

            I have a List> and need to map/transform a String by passing it through the list of operators. I have the following functional Java 11 code:

            ...

            ANSWER

            Answered 2020-Sep-26 at 15:59

            You can compose the three UnaryOperators into a single Function using andThen to form a pipeline of transformation.

            Source https://stackoverflow.com/questions/64078391

            QUESTION

            Sqoop Import failing while imporing AVRO data from SQL Server to HDFS
            Asked 2020-Sep-02 at 06:35

            I am new to AVRO and I am trying to import AVRO format data from SQL Server to HDFS.

            Error: org.kitesdk.data.DatasetOperationException: Failed to append {"id": "D22C2475", "create_date": "2020-08-22 14:34:06.0", "modified_date": "2020-08-22 14:34:06.0"} to ParquetAppender{path=job_1597813536070/mr/attempt_1597813536070_m_000000_0/.d55262cf-e49b-4378-addc-0f85698efb47.parquet.tmp">hdfs://nameservice1/tmp/schema/.temp/job_1597813536070/mr/attempt_1597813536070_m_000000_0/.d55262cf-e49b-4378-addc-0f85698efb47.parquet.tmp, schema={"type":"record","name":"AutoGeneratedSchema","doc":"Sqoop import of QueryResult","fields":[{"name":"id","type":["null","string"],"default":null,"columnName":"id","sqlType":"1"},{"name":"create_date","type":["null","long"],"default":null,"columnName":"create_date","sqlType":"93"},{"name":"modified_date","type":["null","long"],"default":null,"columnName":"modified_date","sqlType":"93"}],"tableName":"QueryResult"}, fileSystem=DFS[DFSClient[clientName=DFSClient_attempt_1597813536070_m_000000_0_960843231_1, ugi=username (auth:SIMPLE)]], avroParquetWriter=parquet.avro.AvroParquetWriter@7b122839} Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Number

            TABLE - CREATE TABLE “ticket”( id string, create_date string, modified_date string) ROW FORMAT SERDE 'org.apache.hadoop.hive.ql.io.parquet.serde.ParquetHiveSerDe' STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.parquet.MapredParquetInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.parquet.MapredParquetOutputFormat' TBLPROPERTIES ( 'COLUMN_STATS_ACCURATE'='true', 'avro.schema.url'='hdfs://nameservice1/user/hive/warehouse/schema.db/ticket/.metadata/schemas/1.avsc', 'kite.compression.type'='snappy');

            AVRO file metadata - hdfs://nameservice1/user/hive/warehouse/schema.db/ticket/.metadata/schemas/1.avsc' { "type" : "record", "name" : "AutoGeneratedSchema", "doc" : "Sqoop import of QueryResult", "fields" : [ { "name" : "id", "type" : [ "null", "string" ], "default" : null, "columnName" : "id", "sqlType" : "1" }, { "name" : "create_date", "type" : [ "null", "string" ], "default" : null, "columnName" : "create_date", "sqlType" : "93" }, { "name" : "modified_date", "type" : [ "null", "string" ], "default" : null, "columnName" : "modified_date", "sqlType" : "93" }], "tableName" : "QueryResult" }

            ...

            ANSWER

            Answered 2020-Sep-02 at 06:35

            I fixed the issue. There was some issue with my AVRO metadata file. I recreated it and add it in Hive table with below command.

            alter table table_name set serdeproperties ('avro.schema.url' = 'hdfs://user/hive/warehouse/schema.db/table_name/1.avsc');

            Source https://stackoverflow.com/questions/63637193

            QUESTION

            How can I add numbers as in a shopping cart in javascript and display them properly with the numbers after the decimal points
            Asked 2020-Aug-16 at 14:48

            please help me, in JavaScript how can I add multiple numbers as like in an ecommerce shopping cart and display the numbers after the decimal point properly? If the attribute value data-price is 2.50, I would like to display the value as 2.50 on the balance.innerHTML, not as 2.5 as it appears. Here is my code:

            ...

            ANSWER

            Answered 2020-Aug-16 at 14:48

            Use toFixed on the final sum rather than on the addends.

            Source https://stackoverflow.com/questions/63438156

            QUESTION

            Disassemble instruction set for 8051 microcontroller
            Asked 2020-Jun-05 at 15:58

            I have the following hex opcode sequence for a 8051 microcontroller

            785679107A247BFD7C347D407E51745568F869F96AFA6BFB6CFC6DFD6EFE

            I found this repo that converts hex to instruction sequences https://github.com/anarcheuz/8051-disassembler.

            Using that I was able to get the following assembly instructions

            ...

            ANSWER

            Answered 2020-Jun-05 at 15:56

            That looks like disassembly of the string of ASCII characters, not the binary values they represent! Notice that the middle column (the machine code) is all 0x30..46, i.e. ASCII codes for '0' to 'F'.

            e.g. the first 2 bytes you disassembled are 37 38, which are the ASCII codes for '7' and '8', but what you want is a single 78 byte.

            You need to hex un-dump into binary before feeding it to that disassembler.

            Source https://stackoverflow.com/questions/62215889

            QUESTION

            JS - Remapping an Array and adding a parent element a child array
            Asked 2020-Jun-05 at 14:51

            I'm trying to figure out how to remap the below array to group the variationOptions under variationName (removing any duplicates) and add the vendor_uLID of the parent to the variationOption as a new element.

            I've included both the input and output I am looking to get.

            The script I've written so far groups the variations by name, however I can't seem to add the vendor_uLID to the variationOption.

            How do I add the vendor_uLID each of the variationOption's where its the parent of the variationOption in the inputArray?

            JS Code:

            ...

            ANSWER

            Answered 2020-Jun-05 at 14:51

            Here's one way, using reduce to create a nested object (tempOutput) and then convert that to your desired array of objects style with Object.values():

            Source https://stackoverflow.com/questions/62215314

            QUESTION

            Updating user ProxyAddresses
            Asked 2020-Apr-08 at 11:40

            I try to update AD user account ProxyAddresses property. I've read many topics about this and applied one of the suggested approach (this one) but it doesn't work for me. Why? I use a following bit of code (it's a part of script updating more users data):

            ...

            ANSWER

            Answered 2020-Apr-08 at 11:40

            @Theo. You solution works fine. Thank You for help. I remained my approach (it suits me and works) and modified code a bit.

            Source https://stackoverflow.com/questions/60946008

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

            Vulnerabilities

            No vulnerabilities reported

            Install addc

            AddC has not yet been uploaded to PyPi, as we are currently at the 'pre-release' stage*. Having said that you should be able to install it via pip directly from the GitHub repository with:.

            Support

            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 .
            Find more information at:

            Find, review, and download reusable Libraries, Code Snippets, Cloud APIs from over 650 million Knowledge Items

            Find more libraries
            CLONE
          • HTTPS

            https://github.com/carsonfarmer/addc.git

          • CLI

            gh repo clone carsonfarmer/addc

          • sshUrl

            git@github.com:carsonfarmer/addc.git

          • Stay Updated

            Subscribe to our newsletter for trending solutions and developer bootcamps

            Agree to Sign up and Terms & Conditions

            Share this Page

            share link