| | |
|---|
| | | public static double percentile(List<Double> data, int p) { |
|---|
| | | int n = data.size(); |
|---|
| | | Collections.sort(data); |
|---|
| | | double v = n / (100 / p); |
|---|
| | | if (n % (100 / p) == 0) { |
|---|
| | | if (v == n) { |
|---|
| | | return data.get(n - 1); |
|---|
| | | } |
|---|
| | | return (data.get((int) v - 1) + data.get((int) v)) / 2; |
|---|
| | | } |
|---|
| | | double v = MathUtils.division(MathUtils.mul(n, p),100d,1); |
|---|
| | | v = Math.ceil(v)-1; |
|---|
| | | return sciCal(data.get((int) v), 4); |
|---|
| | | } |
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| | | |
|---|
| | | |
|---|
| | | |
|---|
| | | //一氧化碳周月均值计算 |
|---|
| | | public static Map<String, Object> getCOAvgOfWeekOrMonth(Map<String, Object> params) { |
|---|
| | | Map<String, Object> result = new HashMap<>(); |
|---|
