Royce  Reinger

Royce Reinger

1657482720

TF-IDF: Term Frequency - Inverse Document Frequency in Ruby

Tf-Idf

Install

gem sources -a http://gemcutter.org
sudo gem install tf_idf

How To Use

require 'rubygems'
require 'tf_idf'

data = [%w{a a a a a a a a b b}, %w{a a}]

a = TfIdf.new(data)

# To find the term frequencies
a.tf
  #=> [{'b' => 0.2, 'a' => etc...}, {'a' => 1}]

# To find the inverse document frequency
a.idf
  #=> {'b' => 0.301... etc...}

# And to find the tf-idf
a.tf_idf
  #=> [{'b' => 0.0602, 'a' => etc...}, {etc...}]

Copyright

Copyright © 2009 Red Davis. See LICENSE for details.

en.wikipedia.org/wiki/Tf–idf

Author: Reddavis
Source Code: https://github.com/reddavis/TF-IDF 
License: MIT license

#ruby #document 

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TF-IDF: Term Frequency - Inverse Document Frequency in Ruby
Royce  Reinger

Royce Reinger

1657482720

TF-IDF: Term Frequency - Inverse Document Frequency in Ruby

Tf-Idf

Install

gem sources -a http://gemcutter.org
sudo gem install tf_idf

How To Use

require 'rubygems'
require 'tf_idf'

data = [%w{a a a a a a a a b b}, %w{a a}]

a = TfIdf.new(data)

# To find the term frequencies
a.tf
  #=> [{'b' => 0.2, 'a' => etc...}, {'a' => 1}]

# To find the inverse document frequency
a.idf
  #=> {'b' => 0.301... etc...}

# And to find the tf-idf
a.tf_idf
  #=> [{'b' => 0.0602, 'a' => etc...}, {etc...}]

Copyright

Copyright © 2009 Red Davis. See LICENSE for details.

en.wikipedia.org/wiki/Tf–idf

Author: Reddavis
Source Code: https://github.com/reddavis/TF-IDF 
License: MIT license

#ruby #document 

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Shardul Bhatt

1626850869

7 Reasons to Trust Ruby on Rails

Ruby on Rails is an amazing web development framework. Known for its adaptability, it powers 3,903,258 sites internationally. Ruby on Rails development speeds up the interaction within web applications. It is productive to such an extent that a Ruby on Rails developer can develop an application 25% to 40% quicker when contrasted with different frameworks. 

Around 2.1% (21,034) of the best 1 million sites utilize Ruby on Rails. The framework is perfect for creating web applications in every industry. Regardless of whether it's medical services or vehicles, Rails carries a higher degree of dynamism to each application. 

Be that as it may, what makes the framework so mainstream? Some say that it is affordable, some say it is on the grounds that the Ruby on Rails improvement environment is simple and basic. There are numerous reasons that make it ideal for creating dynamic applications.

Read more: Best Ruby on Rails projects Examples

7 reasons Ruby on Rails is preferred

There are a few other well-known backend services for web applications like Django, Flask, Laravel, and that's only the tip of the iceberg. So for what reason should organizations pick Ruby on Rails application development? We believe the accompanying reasons will feature why different organizations trust the framework -

Quick prototyping 

Rails works on building MVPs in a couple of months. Organizations incline toward Ruby on Rails quick application development as it offers them more opportunity to showcase the elements. Regular development groups accomplish 25% to 40% higher efficiency when working with Rails. Joined with agile, Ruby on Rails empowers timely delivery.

Basic and simple 

Ruby on Rails is easy to arrange and work with. It is not difficult to learn also. Both of these things are conceivable as a result of Ruby. The programming language has one of the most straightforward sentence structures, which is like the English language. Ruby is a universally useful programming language, working on things for web applications. 

Cost-effective 

Probably the greatest advantage of Rails is that it is very reasonable. The system is open-source, which implies there is no licensing charge included. Aside from that, engineers are additionally effectively accessible, that too at a lower cost. There are a large number of Ruby on Rails engineers for hire at an average compensation of $107,381 each year. 

Startup-friendly

Ruby on Rails is regularly known as "the startup technology." It offers adaptable, fast, and dynamic web improvement to new companies. Most arising organizations and new businesses lean toward this as a direct result of its quick application improvement capacities. It prompts quicker MVP development, which permits new companies to rapidly search for venture investment. 

Adaptable framework 

Ruby on Rails is profoundly adaptable and versatile. In any event, when engineers miss adding any functions, they can utilize different modules to add highlights into the application. Aside from that, they can likewise reclassify components by eliminating or adding them during the development environment. Indeed, even individual projects can be extended and changed. 

Convention over configuration

Regardless of whether it's Ruby on Rails enterprise application development or ecommerce-centered applications, the system utilizes convention over configuration. Developers don't have to go through hours attempting to set up the Ruby on Rails improvement environment. The standard conventions cover everything, improving on things for engineers on the task. The framework likewise utilizes the standard of "Don't Repeat Yourself" to guarantee there are no redundancies. 

Versatile applications 

At the point when organizations scale, applications regularly slack. However, this isn't the situation with Ruby on Rails web application development. The system powers sites with high traffic, It can deal with a huge load of worker demands immediately. Adaptability empowers new businesses to keep utilizing the structure even after they prepare their first model for dispatch. 

Checkout Pros and Cons of Ruby on Rails for Web Development

Bottom Line 

Ruby on Rails is as yet a significant framework utilized by organizations all over the world - of every kind. In this day and age, it is probably the best framework to digitize endeavors through powerful web applications.

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Term Frequency (TF) and Inverse Document Frequency(IDF)

Term Frequency (TF) and Inverse Document Frequency(IDF) are the two terms which is commonly observe in Natural Language Processing techniques. It is used to find the word occurences and their contribution or impact or rather we can say importance in any given sentence of a document. This techniques are more often used in sentiment classification . The retrival of information in the form of emotions from the given word is more easier when a machine knows the significance of a word. The classification of positive and negative messages conveyed from any given sentence is generally taken care of by the above techniques. We will be following few steps in order to understand the concept in a better ways.

Suppose we are given a huge document given below which has many sentences and want to perform text classification and conclude using the TF and IDF techniques that what is the emotion or message that is conveyed through the below sentences.

Today morning the teams began their practice session. The boys Kabaddi team has gone through 1 round of practice. The boys football team has started practice.The boys cricket team has been doing the practice. The girls volleyball team is ready.The boys relay race team is up .

#naturallanguageprocessing #data-science #machine-learning

Emily Johnson

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