NPC test statistics, weekly fraction positive

API
Dataset
NPC statistics data set 2020-12-22T10:06:26.847Z
Other graphics for same dataset
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  "transform": [
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    },
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      "calculate": "day(datetime(utcyear(datum.date), 0, 1))",
      "as": "startingDay"
    },
    {
      "calculate": "(4 - datum.startingDay) % 7 - 2",
      "as": "mondayOfFirstWeek"
    },
    {
      "calculate": "1 + floor((utcdayofyear(datum.date) - datum.mondayOfFirstWeek) / 7)",
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    "y": {
      "aggregate": "sum",
      "field": "counts",
      "type": "quantitative",
      "stack": "normalize",
      "title": "Fraction of tests",
      "scale": {
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          0,
          0.3
        ]
      },
      "axis": {
        "orient": "right",
        "format": ".1%",
        "title": "Fraction positive"
      }
    },
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        "domain": [
          "positive"
        ],
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Owner: arnold
Modified 2020-11-12T16:41:19.455Z
Created 2020-11-12T16:32:45.120Z

DataGraphics 1.0.4