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H ey Readers !!, Welcome back, Hope you have read the previous post before we start with this. Check out the previous post on How Machine Learning works Part 1 . For those who already read my previous post, Thanks a lot for continuing the journey to find the basics of Machine Learning. We stopped the previous post saying that we find the trends / Patterns that occur in the data and that forms the basis for the Machine Learning. Here we are starting with the topic to understand FROM WHERE DOES THIS MATHEMATICS came into picture for machine learning. Mathematics every where There was a statement in the previous post that all things in the nature follows some sort of Mathematics in the form of any physical science concepts. In the same way the patterns that exist in the nature that are visible in the data also rely on Mathematical concepts or the patterns can be represented in the mathematical form through the guiding equations.  y = mx + c is a mathem...

W elcome back readers !, Here with this post you will be taken into the journey of Machine learning and its working. Get ready for the wonderful journey, get set, seat belts on and lets get started. Machine learning, the boom word of today's market. The force of people towards this, Companies march towards this, Countries research on these but why all these happens, Is it a new technology ? What does it do for us ? Many people who are here reading this blog might have come across many blogs which explains this in very high technical jargon like Predictive analysis, Statistics, Mathematical Optimization, Supervised, Unsupervised, exploratory data analysis .. blah blah ...etc., Even I am a victim for this. This is very good for the person who already struggled to understand the basic of what is what, but for the beginners its again a language that is out of the earth. This blog intends to make all the people beginner or expert to understand the basic in simple terms ans...

All we need is the good dynamic UI with the minimal code and the efficient one. We face several issues when such requirements like dynamically based on the context of what the user see on the screen, I need to get the data handler and network handler or some or all the components in my system or app should respond back with the actions and data with respect to the context. Being said this, setting the context to the reader about the problem in short and would go through on solution to solve the same. Problem: Few problems that comes into picture while developing an UI based applications like Mobile apps or the Web apps etc., we come across following problems, User is free to navigate to any screen. User is free to do any operation that might change the state of the data and if the data change its state the UI may take a state change.  Today the app may have few states what if tomorrow the state are huge. Should I handle all the states manually with switch case or if e...

Welcome back Folks !! In our part 3 we have seen how to communicate to the bot that we have built. Each and every people would talk the same thing in the different format and on his style. For each response if we start writing the code, Imagine how hard its gonna be. What can we do for that ? Natural Language Processor makes it easy to do. NLP is a component that identifies the user conversation and identifies the meaningful context from that. What NLP is available ? There are few NLP services like, 1. Dialog flow 2. Luie 3. IBM Voice etc. But all these are the cloud services and we need to go internet for this. As we speaking about the on premise chat bot we will go for the RASA solution. What is RASA ? RASA is a Chatbot server and RASA NLU is the NLP server that comes handy and is built on the python tech stack. Its is a open source and backed by a strong community. Lets get started with RASA ... 1. Installing the python environment :  Si...

Welcome back Folks !! In our part 2 we created the Bot Kit server/ Agent that will respond to the hello message with a fallback. Here we will be looking on how to communicate to the bot on the port 3000 using the web socket client. Communcation With Bot On 3000 in Websocket. To test the communication with the bot, temporarily we will use the web socket client plugin that comes as a extension in the Chrome / Firefox  plugin. Follow the procedure as follows , 1. Install the Chrome / Firefox from the below links Chrome -  https://www.google.co.in/chrome/ Firefox -  https://www.mozilla.org/en-US/firefox/new/ 2. After installing the chrome or Firefox. Google for "Simple Websocket Client for Chrome / Firefox". 3. Open the first link and click on add to chrome. 4. Once if the extension has been added you can see it on the chrome like below 5. click on the simple web socket icon and the client opens as follows. 6. Now in the URL en...

Hey Folks !! Welcome back! For long time I was searching for the solution to make a in-house chatbot that operates with in the organisation and no compromise on the data security using the NLP cloud services or the Bot agents. Luckily I got to know about the combination of the BOTKIT and the RASA NLU can make this solution. I went on searching and searching for the solution for the long time and I could find the pieces here and there and completed the solution. I write this to help other folks to make this solution easier rather than searching a lot. The solution goes on as follows. Components are as follows : Front-End UI Botkit server / Agent server RASA NLU server  Business Logic Server DataSource  External Api if any Now seeing in detail what these components will do. Front-end UI : This is the component where the user interacts with. This can be on any technology like the Angular webapp or android app ...etc Borkit Server / Agent S...

Welcome back Folks !! In our part 1 we are reading about the overview of building the chat bot using botkit and the RASA NLU that runs in the premise without having dependency on the cloud services. Here we will be looking at developing our Chat Bot Agent server using the botkit framework. Building the Agent Preparing the environment We will start with setting up the environment for setting up the agent. Install the Node.  You can get the installer from here . Install the node after it gets downloaded.  Once it gets succesfuly installed, open the command prompt and type. If the output shows some version number means the installation is success. Installing the botkit using NPM (Node Package Manager) Choose some directory and make the following directory structure as follows. This is going to be the initial directory structure.  Execute the following commands to move into the Botkit folder cd Botkit Initialise the npm pa...