Statistics 统计
Methods for computing basic summary statistics. 计算汇总同统计的基本方法
- d3.min - compute the minimum value in an iterable.求一个可迭代对象中的最小值
- d3.minIndex - compute the index of the minimum value in an iterable.求一个可迭代对象中的最小值的索引
- d3.max - compute the maximum value in an iterable.求一个可迭代对象中的最大值
- d3.maxIndex - compute the index of the maximum value in an iterable.求一个可迭代对象中的最大值的索引
- d3.extent - compute the minimum and maximum value in an iterable.求一个可迭代对象中的最小值和最大值
- d3.sum - compute the sum of an iterable of numbers.求和
- d3.mean - compute the arithmetic mean of an iterable of numbers.求平均值
- d3.median - compute the median of an iterable of numbers (the 0.5-quantile).求中位数（0.5分位数）
- d3.mode - compute the mode (the most common value) of an iterable of numbers.求频率最高的值
- d3.cumsum - compute the cumulative sum of an iterable.求累积和
- d3.rank - compute the rank order of an iterable.计算各值排名
- d3.quantile - compute a quantile for an iterable of numbers.计算分位数
- d3.quantileSorted - compute a quantile for a sorted array of numbers.计算排序过数组分位数
- d3.variance - compute the variance of an iterable of numbers.求方差
- d3.deviation - compute the standard deviation of an iterable of numbers.求偏离（标准差）
- d3.fcumsum - compute a full precision cumulative summation of numbers.求浮点数累积和
- d3.fsum - compute a full precision summation of an iterable of numbers.浮点数求和
- new d3.Adder - creates a full precision adder.创建一个全精度添加器
- adder.add - add a value to an adder.
- adder.valueOf - returns a double precision representation of an adder’s value.
