Chinastark/bird_dataset huggingface dataset:
Column: date
Data format: date
Description: transaction date
Column: coin_id
Data format: integer
Description: id number referring to coins
Column: cmc_rank
Name: coinmarketcap rank
Data format: integer
Description: CMC rank is a metric used by CoinMarketCap to rank the relative popularity of different cryptocurrencies.
Column: market_cap
Name: Market capitalization
Data format: real
Description: Market capitalization refers to how much a coin is worth as determined by the coin market.
Value description: dollars
market cap (latest trade price x circulating supply).
Column: price
Data format: real
Description: how much is a coin
Value description: dollars
Column: open
Data format: real
Description: the price at which a cryptocurrency (coin) opens at a time period
Value description: dollars
commonsense reasoning:
if null or empty, it means this coins has not opened yet today.
Column: high
Data format: real
Description: highest price
Value description: dollars
Column: low
Data format: real
Description: lowest price
Value description: commonsense reasoning:
1.	It's the best time to purchase this coin
2.	users can make the max profit today by computation: high - low
Column: close
Data format: real
Description: the price at which a cryptocurrency (coin) closes at a time period, for example at the end of the day.
Column: time_high
Data format: text
Description: the time to achieve highest price
Column: time_low
Data format: text
Description: the time to achieve lowest price
Column: volume_24h
Data format: real
Description: the total value of cryptocurrency coined traded in the past 24 hours.
Column: percent_change_1h
Name: percent change 1h
Data format: real
Description: price percentage change in the first hour
Value description: The change is the difference (in percent) between the price now compared to the price around this time 1 hours ago
Column: percent_change_24h
Name: percent change 24h
Data format: real
Description: price percentage change in the first 24 hours
Value description: The change is the difference (in percent) between the price now compared to the price around this time 24 hours ago
Column: percent_change_7d
Name: percent change 7d
Data format: real
Description: price percentage change in the first 7 days
Value description: The change is the difference (in percent) between the price now compared to the price around this time 7 days ago
Column: circulating_supply
Name: circulating supply
Data format: real
Description: the best approximation of the number of coins that are circulating in the market and in the general public's hands.
Column: total_supply
Name: total supply 
Data format: real
Description: the total amount of coins in existence right now
Column: max_supply
Name: max supply
Data format: real
Description: Max Supply is the best approximation of the maximum amount of coins that will ever exist in the lifetime of the cryptocurrency.
Value description: commonsense reasoning:
the number of coins verifiably burned so far = max_supply - total_supply
Column: num_market_pairs
Name: number market pairs
Data format: integer
Description: number of market pairs across all exchanges trading each currency.
Value description: commonsense reasoning:
active coins that have gone inactive can easily be identified as having a num_market_pairs of 0