# Data Dictionary - FF Rankings

field | data_type | description
--- | --- | ---
fp_page | character | The relative url that the data was scraped from (add the prefix https://www.fantasypros.com/ to visit the page)
page_type | character | Two word identifier separated by a dash identifying the type of fantasy ranking (best = bestball; dynasty; redraft) and what position it applies to
ecr_type | character | A two letter identifier combining the ranking type (b = bestball; d = dynasty; r = redraft) and position type (o = overall; p = positional; sf = superflex; rk = rookie)
player | character | Player name
id | character | FantasyPros ID
pos | character | Position as tracked by FP
team | character | NFL team the player plays for
sportsdata_id | character | ID - also known as sportradar_id (they are equivalent!)
player_filename | character | base URL for this player on fantasypros.com
yahoo_id | character | Yahoo ID
cbs_id | character | CBS ID
player_image_url | character | An image of the player
player_square_image_url | character | An square image of the player
mergename | character | Player name after being cleaned by dp_cleannames - generally strips punctuation and suffixes as well as performing common name substitutions.
tm | character | Team ID as used on MyFantasyLeague.com
scrape_date | Date | Date this dataframe was last updated
ecr | numeric | Average (mean) expert ranking for this player
sd | numeric | Standard deviation of expert rankings for this player
best | numeric | The highest ranking given for this player by any one expert
worst | numeric | The lowest ranking given for this player by any one expert
player_owned_avg | numeric | The average percentage this player is rostered across ESPN and Yahoo
player_owned_espn | numeric | The percentage that this player is rostered in ESPN leagues
player_owned_yahoo | numeric | The percentage that this player is rostered in Yahoo leagues
rank_delta | numeric | Change in ranks over a recent period
bye | numeric | NFL bye week