{
  "source": "Pappalardo et al. (2019), A public data set of spatio-temporal match events in soccer competitions, Scientific Data 6:236",
  "doi": "https://doi.org/10.1038/s41597-019-0247-7",
  "dataset": "https://doi.org/10.6084/m9.figshare.7765196",
  "download": "https://ndownloader.figshare.com/files/15073721",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "md5": "f28ddf6326281efeda6488b2169f5609",
  "total": 3603,
  "method": "One row per unique wyId; group by original role.name; exclude nonnumeric or nonpositive height only; median of sorted height (cm). Historical pooled player metadata, not appearances or current squads. Four broad roles only; no specialist-position inference.",
  "groups": [
    {
      "role": "Goalkeeper",
      "players": 426,
      "validHeight": 417,
      "missingHeight": 9,
      "medianHeightCm": 189,
      "minHeightCm": 176,
      "maxHeightCm": 203
    },
    {
      "role": "Defender",
      "players": 1200,
      "validHeight": 1174,
      "missingHeight": 26,
      "medianHeightCm": 184,
      "minHeightCm": 167,
      "maxHeightCm": 199
    },
    {
      "role": "Midfielder",
      "players": 1257,
      "validHeight": 1231,
      "missingHeight": 26,
      "medianHeightCm": 180,
      "minHeightCm": 162,
      "maxHeightCm": 197
    },
    {
      "role": "Forward",
      "players": 720,
      "validHeight": 704,
      "missingHeight": 16,
      "medianHeightCm": 182,
      "minHeightCm": 163,
      "maxHeightCm": 203
    }
  ]
}