1610351718
What is bDollar (BDO) | What is bDollar token | What is BDO token
Presented by Bearn.fi, bDollar is the first algorithmic stablecoin on Binance Smart Chain with an innovative solution that can adjust its supply deterministically to move the price of the token in the direction of a target price to bring programmability and interoperability to DeFi.
Inspired by Basis and its predecessors, bDollar is a multi-token protocol that consists of three tokens: BDO (the algorithmic stablecoin), bDollar Shares (or sBDO, which holders can claim BDO inflation when the network expands), and bDollar Bonds (or bBDO, which can be purchased at a discount rate when the network is in contraction and can be redeemed for BDO when the network comes to its deflationary phase and price goes below 1$).
Below is the explanation of how bDollar mechanisms works:
BDO trades below the $1 target price
When the BDO price is below the target price of $1, token holders can purchase bDollar Bonds with an extra discount and Bonds will be burnt to reduce the circulating supply when users redeem bDollar with a 1:1 ratio.
In case of redemption, an amount of BDO will be minted to equal the bDollar Bonds that have been redeemed. Important to note is that Bonds have no expiry after purchase.
BDO trades above the $1 target price
When BDO price is above the 1$ peg, the token supply will have to expand to push it back down to 1$ and the contract will allow the redemption of the bDollar Bonds.
When the price of bDollar continues trading above the $1 target price after bond redemption, the contract mints an appropriate amount of new BDO and this will be distributed to the Boardroom Stakers.
Unique algorithm
- Epoch Duration: 6 hours
- Rebase/Expansion Amount: Up to 3%
- Supply/Reward Mechanism: All parameters will be votable on-chain by governance
- No expiry for Bonds
- Community vote’s pool — new pools will be open based on the community’s vote
bDollar token distribution
- Max supply: 210,000 BDO
- Distribution period: 3 weeks
- First week: 80,000 BDO
- Second week: 60,000 BDO
- Third week: 40,000 BDO
- Airdrop: 30,000 BDO (BNB, BUSD, CAKE, BFI, BFIE, ESD, BAC, and VALUE) #hodlers can claim BDO by connecting your wallet at bdollar.fi/claim.The airdrop is organized on a first come — first serve basis, until the whole 30k BDO is fully distributed. Each wallet can claim a maximum of 2 BDO while upNdown’s users will be entitled to claim 5 BDO.
Reward rate for Seed pools from Day 1
- BUSD: 4x
- DAI: 2x
- BFI: 2x
- CAKE: 1x
- 3 tokens voted by Community — 1x
Reward rate for Liquidity pools from Day 3
- Pancakeswap LPs BDO/BNB — 64x
- Pancakeswap LPs BDO/BFI — 32x (After BFIE to BFI bridge is available)
- Block countdown: https://bscscan.com/block/countdown/3456789
bDollar Shares distribution
sBDO has a maximum total supply of 100,000 tokens. 15,000 sBDO are allocated to the team and DAO (7,500 each) and vested linearly over 12 months. The remaining 85,000 sBDO are allocated for incentivizing Liquidity Providers in 2 pools, as follows:
- Pancakeswap LPs BDO/BUSD: 50,000
- Block countdown: https://bscscan.com/block/countdown/3496900
- Pancakeswap LPs sBDO/BUSD: 35,000
- Block countdown: https://bscscan.com/block/countdown/3220000
- Duration: 12 months
Participate in bDollar farming
To participate in the protocol, visit the bDollar Banks dashboard here, and select your preferred pool:
Participate in the Boardroom
Boardroom opens 7 days after the launch: 01/01/2021 00:00 UTC
The first segniorage will happen 12 hours after that.
bDollar is the latest product of the Bearn.Fi ecosystem as we are strong supporters of algorithmic stablecoins in particular and DeFi in general. However, bDollar is an experiment, and participants should take great caution and learn more about the seigniorage concept and supply expansion and contraction mechanism to avoid any potential loss.
Read more ☞ What is bDollar Share (SBDO) | What is SBDO token
Would you like to earn many tokens and cryptocurrencies right now! ☞ CLICK HERE
How and Where to Buy bDollar (BDO)?
BDO has been listed on a number of crypto exchanges, unlike other main cryptocurrencies, it cannot be directly purchased with fiats money. However, You can still easily buy this coin by first buying Bitcoin, ETH, USDT from any large exchanges and then transfer to the exchange that offers to trade this coin, in this guide article we will walk you through in detail the steps to buy BDO
You will have to first buy one of the major cryptocurrencies, usually either Bitcoin (BTC), Ethereum (ETH), Tether (USDT)…
We will use Binance Exchange here as it is one of the largest crypto exchanges that accept fiat deposits.
Binance is a popular cryptocurrency exchange which was started in China but then moved their headquarters to the crypto-friendly Island of Malta in the EU. Binance is popular for its crypto to crypto exchange services. Binance exploded onto the scene in the mania of 2017 and has since gone on to become the top crypto exchange in the world.
Once you finished the KYC process. You will be asked to add a payment method. Here you can either choose to provide a credit/debit card or use a bank transfer, and buy one of the major cryptocurrencies, usually either Bitcoin (BTC), Ethereum (ETH), Tether (USDT)
Step by Step Guide : What is Binance | How to Create an account on Binance (Updated 2021)
Next step - Transfer your cryptos to an Altcoin Exchange
Since BDO is an altcoin we need to transfer our coins to an exchange that BDO can be traded. Below is a list of exchanges that offers to trade BDO in various market pairs, head to their websites and register for an account.
Once finished you will then need to make a BTC/ETH/USDT deposit to the exchange from Binance depending on the available market pairs. After the deposit is confirmed you may then purchase BDO from the exchange.
Exchange: PancakeSwap and OpenOcean
Apart from the exchange(s) above, there are a few popular crypto exchanges where they have decent daily trading volumes and a huge user base. This will ensure you will be able to sell your coins at any time and the fees will usually be lower. It is suggested that you also register on these exchanges since once BDO gets listed there it will attract a large amount of trading volumes from the users there, that means you will be having some great trading opportunities!
Top exchanges for token-coin trading. Follow instructions and make unlimited money
☞ https://www.binance.com
☞ https://www.bittrex.com
☞ https://www.poloniex.com
☞ https://www.bitfinex.com
☞ https://www.huobi.com
☞ https://www.mxc.ai
☞ https://www.probit.com
☞ https://www.gate.io
☞ https://www.coinbase.com
Find more information BDO
☞ Website
☞ Explorer
☞ Source Code
☞ Social Channel
☞ Message Board
☞ Coinmarketcap
Learn about Cryptocurrency in this article ☞ What You Should Know Before Investing in Cryptocurrency - For Beginner
Thank for visiting and reading this article! I’m highly appreciate your actions! Please share if you liked it!
#bitcoin #crypto #bdollar #bdo
What is GEEK
Buddha Community
1610351718
What is bDollar (BDO) | What is bDollar token | What is BDO token
Presented by Bearn.fi, bDollar is the first algorithmic stablecoin on Binance Smart Chain with an innovative solution that can adjust its supply deterministically to move the price of the token in the direction of a target price to bring programmability and interoperability to DeFi.
Inspired by Basis and its predecessors, bDollar is a multi-token protocol that consists of three tokens: BDO (the algorithmic stablecoin), bDollar Shares (or sBDO, which holders can claim BDO inflation when the network expands), and bDollar Bonds (or bBDO, which can be purchased at a discount rate when the network is in contraction and can be redeemed for BDO when the network comes to its deflationary phase and price goes below 1$).
Below is the explanation of how bDollar mechanisms works:
BDO trades below the $1 target price
When the BDO price is below the target price of $1, token holders can purchase bDollar Bonds with an extra discount and Bonds will be burnt to reduce the circulating supply when users redeem bDollar with a 1:1 ratio.
In case of redemption, an amount of BDO will be minted to equal the bDollar Bonds that have been redeemed. Important to note is that Bonds have no expiry after purchase.
BDO trades above the $1 target price
When BDO price is above the 1$ peg, the token supply will have to expand to push it back down to 1$ and the contract will allow the redemption of the bDollar Bonds.
When the price of bDollar continues trading above the $1 target price after bond redemption, the contract mints an appropriate amount of new BDO and this will be distributed to the Boardroom Stakers.
Unique algorithm
- Epoch Duration: 6 hours
- Rebase/Expansion Amount: Up to 3%
- Supply/Reward Mechanism: All parameters will be votable on-chain by governance
- No expiry for Bonds
- Community vote’s pool — new pools will be open based on the community’s vote
bDollar token distribution
- Max supply: 210,000 BDO
- Distribution period: 3 weeks
- First week: 80,000 BDO
- Second week: 60,000 BDO
- Third week: 40,000 BDO
- Airdrop: 30,000 BDO (BNB, BUSD, CAKE, BFI, BFIE, ESD, BAC, and VALUE) #hodlers can claim BDO by connecting your wallet at bdollar.fi/claim.The airdrop is organized on a first come — first serve basis, until the whole 30k BDO is fully distributed. Each wallet can claim a maximum of 2 BDO while upNdown’s users will be entitled to claim 5 BDO.
Reward rate for Seed pools from Day 1
- BUSD: 4x
- DAI: 2x
- BFI: 2x
- CAKE: 1x
- 3 tokens voted by Community — 1x
Reward rate for Liquidity pools from Day 3
- Pancakeswap LPs BDO/BNB — 64x
- Pancakeswap LPs BDO/BFI — 32x (After BFIE to BFI bridge is available)
- Block countdown: https://bscscan.com/block/countdown/3456789
bDollar Shares distribution
sBDO has a maximum total supply of 100,000 tokens. 15,000 sBDO are allocated to the team and DAO (7,500 each) and vested linearly over 12 months. The remaining 85,000 sBDO are allocated for incentivizing Liquidity Providers in 2 pools, as follows:
- Pancakeswap LPs BDO/BUSD: 50,000
- Block countdown: https://bscscan.com/block/countdown/3496900
- Pancakeswap LPs sBDO/BUSD: 35,000
- Block countdown: https://bscscan.com/block/countdown/3220000
- Duration: 12 months
Participate in bDollar farming
To participate in the protocol, visit the bDollar Banks dashboard here, and select your preferred pool:
Participate in the Boardroom
Boardroom opens 7 days after the launch: 01/01/2021 00:00 UTC
The first segniorage will happen 12 hours after that.
bDollar is the latest product of the Bearn.Fi ecosystem as we are strong supporters of algorithmic stablecoins in particular and DeFi in general. However, bDollar is an experiment, and participants should take great caution and learn more about the seigniorage concept and supply expansion and contraction mechanism to avoid any potential loss.
Read more ☞ What is bDollar Share (SBDO) | What is SBDO token
Would you like to earn many tokens and cryptocurrencies right now! ☞ CLICK HERE
How and Where to Buy bDollar (BDO)?
BDO has been listed on a number of crypto exchanges, unlike other main cryptocurrencies, it cannot be directly purchased with fiats money. However, You can still easily buy this coin by first buying Bitcoin, ETH, USDT from any large exchanges and then transfer to the exchange that offers to trade this coin, in this guide article we will walk you through in detail the steps to buy BDO
You will have to first buy one of the major cryptocurrencies, usually either Bitcoin (BTC), Ethereum (ETH), Tether (USDT)…
We will use Binance Exchange here as it is one of the largest crypto exchanges that accept fiat deposits.
Binance is a popular cryptocurrency exchange which was started in China but then moved their headquarters to the crypto-friendly Island of Malta in the EU. Binance is popular for its crypto to crypto exchange services. Binance exploded onto the scene in the mania of 2017 and has since gone on to become the top crypto exchange in the world.
Once you finished the KYC process. You will be asked to add a payment method. Here you can either choose to provide a credit/debit card or use a bank transfer, and buy one of the major cryptocurrencies, usually either Bitcoin (BTC), Ethereum (ETH), Tether (USDT)
Step by Step Guide : What is Binance | How to Create an account on Binance (Updated 2021)
Next step - Transfer your cryptos to an Altcoin Exchange
Since BDO is an altcoin we need to transfer our coins to an exchange that BDO can be traded. Below is a list of exchanges that offers to trade BDO in various market pairs, head to their websites and register for an account.
Once finished you will then need to make a BTC/ETH/USDT deposit to the exchange from Binance depending on the available market pairs. After the deposit is confirmed you may then purchase BDO from the exchange.
Exchange: PancakeSwap and OpenOcean
Apart from the exchange(s) above, there are a few popular crypto exchanges where they have decent daily trading volumes and a huge user base. This will ensure you will be able to sell your coins at any time and the fees will usually be lower. It is suggested that you also register on these exchanges since once BDO gets listed there it will attract a large amount of trading volumes from the users there, that means you will be having some great trading opportunities!
Top exchanges for token-coin trading. Follow instructions and make unlimited money
☞ https://www.binance.com
☞ https://www.bittrex.com
☞ https://www.poloniex.com
☞ https://www.bitfinex.com
☞ https://www.huobi.com
☞ https://www.mxc.ai
☞ https://www.probit.com
☞ https://www.gate.io
☞ https://www.coinbase.com
Find more information BDO
☞ Website
☞ Explorer
☞ Source Code
☞ Social Channel
☞ Message Board
☞ Coinmarketcap
Learn about Cryptocurrency in this article ☞ What You Should Know Before Investing in Cryptocurrency - For Beginner
Thank for visiting and reading this article! I’m highly appreciate your actions! Please share if you liked it!
#bitcoin #crypto #bdollar #bdo
1659601560
Words Counted: A Ruby Natural Language Processor.
WordsCounted
We are all in the gutter, but some of us are looking at the stars.
-- Oscar Wilde
WordsCounted is a Ruby NLP (natural language processor). WordsCounted lets you implement powerful tokensation strategies with a very flexible tokeniser class.
Are you using WordsCounted to do something interesting? Please tell me about it.
Demo
Visit this website for one example of what you can do with WordsCounted.
Features
- Out of the box, get the following data from any string or readable file, or URL:
- Token count and unique token count
- Token densities, frequencies, and lengths
- Char count and average chars per token
- The longest tokens and their lengths
- The most frequent tokens and their frequencies.
- A flexible way to exclude tokens from the tokeniser. You can pass a string, regexp, symbol, lambda, or an array of any combination of those types for powerful tokenisation strategies.
- Pass your own regexp rules to the tokeniser if you prefer. The default regexp filters special characters but keeps hyphens and apostrophes. It also plays nicely with diacritics (UTF and unicode characters): Bayrūt is treated as
["Bayrūt"]and not["Bayr", "ū", "t"], for example. - Opens and reads files. Pass in a file path or a url instead of a string.
Installation
Add this line to your application's Gemfile:
gem 'words_counted'
And then execute:
$ bundle
Or install it yourself as:
$ gem install words_counted
Usage
Pass in a string or a file path, and an optional filter and/or regexp.
counter = WordsCounted.count(
"We are all in the gutter, but some of us are looking at the stars."
)
# Using a file
counter = WordsCounted.from_file("path/or/url/to/my/file.txt")
.count and .from_file are convenience methods that take an input, tokenise it, and return an instance of WordsCounted::Counter initialized with the tokens. The WordsCounted::Tokeniser and WordsCounted::Counter classes can be used alone, however.
API
WordsCounted
WordsCounted.count(input, options = {})
Tokenises input and initializes a WordsCounted::Counter object with the resulting tokens.
counter = WordsCounted.count("Hello Beirut!")
Accepts two options: exclude and regexp. See Excluding tokens from the analyser and Passing in a custom regexp respectively.
WordsCounted.from_file(path, options = {})
Reads and tokenises a file, and initializes a WordsCounted::Counter object with the resulting tokens.
counter = WordsCounted.from_file("hello_beirut.txt")
Accepts the same options as .count.
Tokeniser
The tokeniser allows you to tokenise text in a variety of ways. You can pass in your own rules for tokenisation, and apply a powerful filter with any combination of rules as long as they can boil down into a lambda.
Out of the box the tokeniser includes only alpha chars. Hyphenated tokens and tokens with apostrophes are considered a single token.
#tokenise([pattern: TOKEN_REGEXP, exclude: nil])
tokeniser = WordsCounted::Tokeniser.new("Hello Beirut!").tokenise
# With `exclude`
tokeniser = WordsCounted::Tokeniser.new("Hello Beirut!").tokenise(exclude: "hello")
# With `pattern`
tokeniser = WordsCounted::Tokeniser.new("I <3 Beirut!").tokenise(pattern: /[a-z]/i)
See Excluding tokens from the analyser and Passing in a custom regexp for more information.
Counter
The WordsCounted::Counter class allows you to collect various statistics from an array of tokens.
#token_count
Returns the token count of a given string.
counter.token_count #=> 15
#token_frequency
Returns a sorted (unstable) two-dimensional array where each element is a token and its frequency. The array is sorted by frequency in descending order.
counter.token_frequency
[
["the", 2],
["are", 2],
["we", 1],
# ...
["all", 1]
]
#most_frequent_tokens
Returns a hash where each key-value pair is a token and its frequency.
counter.most_frequent_tokens
{ "are" => 2, "the" => 2 }
#token_lengths
Returns a sorted (unstable) two-dimentional array where each element contains a token and its length. The array is sorted by length in descending order.
counter.token_lengths
[
["looking", 7],
["gutter", 6],
["stars", 5],
# ...
["in", 2]
]
#longest_tokens
Returns a hash where each key-value pair is a token and its length.
counter.longest_tokens
{ "looking" => 7 }
#token_density([ precision: 2 ])
Returns a sorted (unstable) two-dimentional array where each element contains a token and its density as a float, rounded to a precision of two. The array is sorted by density in descending order. It accepts a precision argument, which must be a float.
counter.token_density
[
["are", 0.13],
["the", 0.13],
["but", 0.07 ],
# ...
["we", 0.07 ]
]
#char_count
Returns the char count of tokens.
counter.char_count #=> 76
#average_chars_per_token([ precision: 2 ])
Returns the average char count per token rounded to two decimal places. Accepts a precision argument which defaults to two. Precision must be a float.
counter.average_chars_per_token #=> 4
#uniq_token_count
Returns the number of unique tokens.
counter.uniq_token_count #=> 13
Excluding tokens from the tokeniser
You can exclude anything you want from the input by passing the exclude option. The exclude option accepts a variety of filters and is extremely flexible.
- A space-delimited string. The filter will normalise the string.
- A regular expression.
- A lambda.
- A symbol that names a predicate method. For example
:odd?. - An array of any combination of the above.
tokeniser =
WordsCounted::Tokeniser.new(
"Magnificent! That was magnificent, Trevor."
)
# Using a string
tokeniser.tokenise(exclude: "was magnificent")
# => ["that", "trevor"]
# Using a regular expression
tokeniser.tokenise(exclude: /trevor/)
# => ["magnificent", "that", "was", "magnificent"]
# Using a lambda
tokeniser.tokenise(exclude: ->(t) { t.length < 4 })
# => ["magnificent", "that", "magnificent", "trevor"]
# Using symbol
tokeniser = WordsCounted::Tokeniser.new("Hello! محمد")
tokeniser.tokenise(exclude: :ascii_only?)
# => ["محمد"]
# Using an array
tokeniser = WordsCounted::Tokeniser.new(
"Hello! اسماءنا هي محمد، كارولينا، سامي، وداني"
)
tokeniser.tokenise(
exclude: [:ascii_only?, /محمد/, ->(t) { t.length > 6}, "و"]
)
# => ["هي", "سامي", "وداني"]
Passing in a custom regexp
The default regexp accounts for letters, hyphenated tokens, and apostrophes. This means twenty-one is treated as one token. So is Mohamad's.
/[\p{Alpha}\-']+/
You can pass your own criteria as a Ruby regular expression to split your string as desired.
For example, if you wanted to include numbers, you can override the regular expression:
counter = WordsCounted.count("Numbers 1, 2, and 3", pattern: /[\p{Alnum}\-']+/)
counter.tokens
#=> ["numbers", "1", "2", "and", "3"]
Opening and reading files
Use the from_file method to open files. from_file accepts the same options as .count. The file path can be a URL.
counter = WordsCounted.from_file("url/or/path/to/file.text")
Gotchas
A hyphen used in leu of an em or en dash will form part of the token. This affects the tokeniser algorithm.
counter = WordsCounted.count("How do you do?-you are well, I see.")
counter.token_frequency
[
["do", 2],
["how", 1],
["you", 1],
["-you", 1], # WTF, mate!
["are", 1],
# ...
]
In this example -you and you are separate tokens. Also, the tokeniser does not include numbers by default. Remember that you can pass your own regular expression if the default behaviour does not fit your needs.
A note on case sensitivity
The program will normalise (downcase) all incoming strings for consistency and filters.
Roadmap
Ability to open URLs
def self.from_url
# open url and send string here after removing html
end
Contributors
See contributors.
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
Author: abitdodgy
Source code: https://github.com/abitdodgy/words_counted
License: MIT license
#ruby #ruby-on-rails
1658068560
WordsCounted: A Ruby Natural Language Processor
WordsCounted
We are all in the gutter, but some of us are looking at the stars.
-- Oscar Wilde
WordsCounted is a Ruby NLP (natural language processor). WordsCounted lets you implement powerful tokensation strategies with a very flexible tokeniser class.
Features
- Out of the box, get the following data from any string or readable file, or URL:
- Token count and unique token count
- Token densities, frequencies, and lengths
- Char count and average chars per token
- The longest tokens and their lengths
- The most frequent tokens and their frequencies.
- A flexible way to exclude tokens from the tokeniser. You can pass a string, regexp, symbol, lambda, or an array of any combination of those types for powerful tokenisation strategies.
- Pass your own regexp rules to the tokeniser if you prefer. The default regexp filters special characters but keeps hyphens and apostrophes. It also plays nicely with diacritics (UTF and unicode characters): Bayrūt is treated as
["Bayrūt"]and not["Bayr", "ū", "t"], for example. - Opens and reads files. Pass in a file path or a url instead of a string.
Installation
Add this line to your application's Gemfile:
gem 'words_counted'
And then execute:
$ bundle
Or install it yourself as:
$ gem install words_counted
Usage
Pass in a string or a file path, and an optional filter and/or regexp.
counter = WordsCounted.count(
"We are all in the gutter, but some of us are looking at the stars."
)
# Using a file
counter = WordsCounted.from_file("path/or/url/to/my/file.txt")
.count and .from_file are convenience methods that take an input, tokenise it, and return an instance of WordsCounted::Counter initialized with the tokens. The WordsCounted::Tokeniser and WordsCounted::Counter classes can be used alone, however.
API
WordsCounted
WordsCounted.count(input, options = {})
Tokenises input and initializes a WordsCounted::Counter object with the resulting tokens.
counter = WordsCounted.count("Hello Beirut!")
Accepts two options: exclude and regexp. See Excluding tokens from the analyser and Passing in a custom regexp respectively.
WordsCounted.from_file(path, options = {})
Reads and tokenises a file, and initializes a WordsCounted::Counter object with the resulting tokens.
counter = WordsCounted.from_file("hello_beirut.txt")
Accepts the same options as .count.
Tokeniser
The tokeniser allows you to tokenise text in a variety of ways. You can pass in your own rules for tokenisation, and apply a powerful filter with any combination of rules as long as they can boil down into a lambda.
Out of the box the tokeniser includes only alpha chars. Hyphenated tokens and tokens with apostrophes are considered a single token.
#tokenise([pattern: TOKEN_REGEXP, exclude: nil])
tokeniser = WordsCounted::Tokeniser.new("Hello Beirut!").tokenise
# With `exclude`
tokeniser = WordsCounted::Tokeniser.new("Hello Beirut!").tokenise(exclude: "hello")
# With `pattern`
tokeniser = WordsCounted::Tokeniser.new("I <3 Beirut!").tokenise(pattern: /[a-z]/i)
See Excluding tokens from the analyser and Passing in a custom regexp for more information.
Counter
The WordsCounted::Counter class allows you to collect various statistics from an array of tokens.
#token_count
Returns the token count of a given string.
counter.token_count #=> 15
#token_frequency
Returns a sorted (unstable) two-dimensional array where each element is a token and its frequency. The array is sorted by frequency in descending order.
counter.token_frequency
[
["the", 2],
["are", 2],
["we", 1],
# ...
["all", 1]
]
#most_frequent_tokens
Returns a hash where each key-value pair is a token and its frequency.
counter.most_frequent_tokens
{ "are" => 2, "the" => 2 }
#token_lengths
Returns a sorted (unstable) two-dimentional array where each element contains a token and its length. The array is sorted by length in descending order.
counter.token_lengths
[
["looking", 7],
["gutter", 6],
["stars", 5],
# ...
["in", 2]
]
#longest_tokens
Returns a hash where each key-value pair is a token and its length.
counter.longest_tokens
{ "looking" => 7 }
#token_density([ precision: 2 ])
Returns a sorted (unstable) two-dimentional array where each element contains a token and its density as a float, rounded to a precision of two. The array is sorted by density in descending order. It accepts a precision argument, which must be a float.
counter.token_density
[
["are", 0.13],
["the", 0.13],
["but", 0.07 ],
# ...
["we", 0.07 ]
]
#char_count
Returns the char count of tokens.
counter.char_count #=> 76
#average_chars_per_token([ precision: 2 ])
Returns the average char count per token rounded to two decimal places. Accepts a precision argument which defaults to two. Precision must be a float.
counter.average_chars_per_token #=> 4
#uniq_token_count
Returns the number of unique tokens.
counter.uniq_token_count #=> 13
Excluding tokens from the tokeniser
You can exclude anything you want from the input by passing the exclude option. The exclude option accepts a variety of filters and is extremely flexible.
- A space-delimited string. The filter will normalise the string.
- A regular expression.
- A lambda.
- A symbol that names a predicate method. For example
:odd?. - An array of any combination of the above.
tokeniser =
WordsCounted::Tokeniser.new(
"Magnificent! That was magnificent, Trevor."
)
# Using a string
tokeniser.tokenise(exclude: "was magnificent")
# => ["that", "trevor"]
# Using a regular expression
tokeniser.tokenise(exclude: /trevor/)
# => ["magnificent", "that", "was", "magnificent"]
# Using a lambda
tokeniser.tokenise(exclude: ->(t) { t.length < 4 })
# => ["magnificent", "that", "magnificent", "trevor"]
# Using symbol
tokeniser = WordsCounted::Tokeniser.new("Hello! محمد")
tokeniser.tokenise(exclude: :ascii_only?)
# => ["محمد"]
# Using an array
tokeniser = WordsCounted::Tokeniser.new(
"Hello! اسماءنا هي محمد، كارولينا، سامي، وداني"
)
tokeniser.tokenise(
exclude: [:ascii_only?, /محمد/, ->(t) { t.length > 6}, "و"]
)
# => ["هي", "سامي", "وداني"]
Passing in a custom regexp
The default regexp accounts for letters, hyphenated tokens, and apostrophes. This means twenty-one is treated as one token. So is Mohamad's.
/[\p{Alpha}\-']+/
You can pass your own criteria as a Ruby regular expression to split your string as desired.
For example, if you wanted to include numbers, you can override the regular expression:
counter = WordsCounted.count("Numbers 1, 2, and 3", pattern: /[\p{Alnum}\-']+/)
counter.tokens
#=> ["numbers", "1", "2", "and", "3"]
Opening and reading files
Use the from_file method to open files. from_file accepts the same options as .count. The file path can be a URL.
counter = WordsCounted.from_file("url/or/path/to/file.text")
Gotchas
A hyphen used in leu of an em or en dash will form part of the token. This affects the tokeniser algorithm.
counter = WordsCounted.count("How do you do?-you are well, I see.")
counter.token_frequency
[
["do", 2],
["how", 1],
["you", 1],
["-you", 1], # WTF, mate!
["are", 1],
# ...
]
In this example -you and you are separate tokens. Also, the tokeniser does not include numbers by default. Remember that you can pass your own regular expression if the default behaviour does not fit your needs.
A note on case sensitivity
The program will normalise (downcase) all incoming strings for consistency and filters.
Roadmap
Ability to open URLs
def self.from_url
# open url and send string here after removing html
end
Are you using WordsCounted to do something interesting? Please tell me about it.
Demo
Visit this website for one example of what you can do with WordsCounted.
Contributors
See contributors.
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create new Pull Request
Author: Abitdodgy
Source Code: https://github.com/abitdodgy/words_counted
License: MIT license
1622197808
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