IndicoIo-ruby

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A simple Ruby Wrapper for the indico set of APIs

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# IndicoIo-ruby

A ruby wrapper for the [indico API](http://indico.io).

Installation
-------------

Add this line to your application's Gemfile:

gem 'indico'

And then execute:

$ bundle install

Or install it yourself as:

$ gem install indico

API Keys + Setup
----------------
For API key registration and setup, checkout our [quickstart guide](http://docs.indico.io/v2.0/docs/api-keys).

Full Documentation
------------
Detailed documentation, a full list of APIs, and further code examples are available at [indico.readme.io](http://indico.readme.io/v2.0/docs/ruby)

Examples
---------

```ruby
> require 'indico'

=> true

> Indico.political("Guns don't kill people. People kill people.")

=> {"Libertarian"=>0.47740164630834825, "Liberal"=>0.16617097211030055, "Green"=>0.08454409540443657, "Conservative"=>0.2718832861769146}

> Indico.sentiment("This song is incredible")

=> {"Sentiment"=>0.900475156188022}

> Indico.language('Quis custodiet ipsos custodes')

=> {"Swedish"=>0.00033330636691921914, "Vietnamese"=>0.0002686116137658802, "Romanian"=>8.133913804076592e-06, "Dutch"=>0.09380619821813883, "Korean"=>0.00272046505489883, "Danish"=>0.0012556466207667206, "Indonesian"=>6.623391878530033e-07, "Latin"=>0.8230599921384231, "Hungarian"=>0.0012793617391960567, "Persian (Farsi)"=>0.0019848504383980473, "Lithuanian"=>0.007328693814717631, "French"=>0.00016792646226101638, "Norwegian"=>0.0009179030069742254, "Russian"=>0.0002643396088456642, "Thai"=>7.746466749651003e-05, "Finnish"=>0.0026367338676522643, "Hebrew"=>3.70933525938127e-05, "Bulgarian"=>3.746416283126873e-05, "Turkish"=>0.0004606965429738638, "Greek"=>0.027456554742563633, "Tagalog"=>0.0005143018200605518, "English"=>0.00013517846159760138, "Arabic"=>0.00013589586110619373, "Italian"=>2.650711180999111e-06, "Portuguese"=>0.013193681336032896, "Chinese"=>0.008818957727120736, "German"=>0.00011732494215411359, "Japanese"=>0.0005885208894664065, "Czech"=>9.916434007248934e-05, "Slovak"=>8.869445598583308e-05, "Spanish"=>0.011844579596827902, "Polish"=>9.900290296255447e-05, "Esperanto"=>0.0002599482830232367}

> Indico.text_tags('This coconut green tea is amazing!');

=> { "food"=>0.3713687833244494, "cars"=>0.0037924017632370586, ...}

> Indico.keywords("Facebook blog posts about Android tech make better journalism than most news outlets.", {top_n: 3})

=> {"android"=>0.10602030910588661, "journalism"=>0.13466866170166855, "outlets"=>0.13930405357808642}

```

Batch API
---------

Each `Indico` method has a corresponding batch method for analyzing many examples with a single request. Simply pass in an array of inputs and receive an array of results in return.

```ruby
> require 'indico'

=> true

> Indico.api_key = "YOUR_API_KEY"

=> "YOUR_API_KEY"

> Indico.sentiment(['Best day ever', 'Worst day ever'])

=> [0.9899001220871786, 0.005709885173415242]
```

Calling multiple APIs with a single function
---------
There are two multiple API functions `analyze_text` and `analyze_image` (and their batch counterparts). These functions are similar to the existing api functions, but take in an additional `apis` argument as an array of strings of API names (defaults to all existing apis). `analyze_text` accepts a list of existing text APIs and vice versa for `analyze_image`.

Accepted text API names: `text_tags, political, sentiment, language`

Accepted image API names: `fer, facial_features, image_features`

```ruby
> require 'indico'

=> true

> Indico.api_key = "YOUR_API_KEY"

=> "YOUR_API_KEY"

> Indico.analyze_text("Best day ever", ["sentiment", "language"])

=> {"sentiment"=>0.9899001220871786, "language"=>{"Swedish"=>0.0022464881013042294, "Vietnamese"=>9.887170914498351e-05, ...}}

> Indico.analyze_text(["Best day ever", "Worst day ever"], ["sentiment", "language"])

=> {"sentiment"=>[0.9899001220871786, 0.005709885173415242], "language"=>[{"Swedish"=>0.0022464881013042294, "Vietnamese"=>9.887170914498351e-05, "Romanian"=>0.00010661175919993216, ...}, {"Swedish"=>0.4924352805804646, "Vietnamese"=>0.028574824174911372, "Romanian"=>0.004185623723173551, "Dutch"=>0.000717033819689362, "Korean"=>0.0030093489153785826, ...}]}

> test_face = Array.new(48){Array.new(48){Array.new(3){rand(100)/100.0}}}

=> [[[0.66, 0.99, 0.03], [0.42, 0.72, 0.86], [0.95, 0.44, 0.61], [0.39, 0.57, 0.4], [0.06, 0.52, 0.43], [0.11, 0.09, 0.78], [0.35, 0.69, 0.32], [0.44, 0.5, 0.26], [0.71, 0.75, 0.64], [0.91, 0.92, 0.14], [0.71, 0.98, 0.02], ..]]

> Indico.analyze_image(test_face, ["fer", "facial_features"])

=> {"facial_features"=>[0.0, -0.026176479280200796, 0.20707644777495776, ...], "fer"=>{"Angry"=>0.08877494466353497, "Sad"=>0.3933999409104264, "Neutral"=>0.1910612654566151, "Surprise"=>0.0346146405941845, "Fear"=>0.17682159820518667, "Happy"=>0.11532761017005204}}

> Indico.analyze_image([test_face, test_face], ["fer", "facial_features"])

=> {"facial_features"=>[[0.0, -0.026176479280200796, 0.20707644777495776, ...], [0.0, -0.026176479280200796, 0.20707644777495776, ...]], "fer"=>[{"Angry"=>0.08877494466353497, "Sad"=>0.3933999409104264, "Neutral"=>0.1910612654566151, "Surprise"=>0.0346146405941845, "Fear"=>0.17682159820518667, "Happy"=>0.11532761017005204}, {"Angry"=>0.08877494466353497, "Sad"=>0.3933999409104264, "Neutral"=>0.1910612654566151, "Surprise"=>0.0346146405941845, "Fear"=>0.17682159820518667, "Happy"=>0.11532761017005204}]}
```

## Contributing

1. Fork it ( https://github.com/[my-github-username]/indico/fork )
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create a new Pull Request

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