RankingMetrics.fromJson constructor
RankingMetrics.fromJson(
- Map json_
Implementation
RankingMetrics.fromJson(core.Map json_)
: this(
averageRank: json_.containsKey('averageRank')
? (json_['averageRank'] as core.num).toDouble()
: null,
meanAveragePrecision: json_.containsKey('meanAveragePrecision')
? (json_['meanAveragePrecision'] as core.num).toDouble()
: null,
meanSquaredError: json_.containsKey('meanSquaredError')
? (json_['meanSquaredError'] as core.num).toDouble()
: null,
normalizedDiscountedCumulativeGain:
json_.containsKey('normalizedDiscountedCumulativeGain')
? (json_['normalizedDiscountedCumulativeGain'] as core.num)
.toDouble()
: null,
);