diff options
| -rw-r--r-- | lib/pure/stats.nim | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/pure/stats.nim b/lib/pure/stats.nim index 5811e141e..43d9c35f6 100644 --- a/lib/pure/stats.nim +++ b/lib/pure/stats.nim @@ -166,6 +166,51 @@ proc `+`*(a, b: RunningStat): RunningStat = proc `+=`*(a: var RunningStat, b: RunningStat) {.inline.} = ## add a second RunningStats `b` to `a` a = a + b +# ---------------------- standalone array/seq stats --------------------- +proc mean*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.mean() + +proc variance*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.variance() + +proc varianceS*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.varianceS() + +proc standardDeviation*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.standardDeviation() + +proc standardDeviationS*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.standardDeviationS() + +proc skewness*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.skewness() + +proc skewnessS*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.skewnessS() + +proc kurtosis*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.kurtosis() + +proc kurtosisS*[T](x: openArray[T]): float = + var rs: RunningStat + rs.push(x) + result = rs.kurtosisS() # ---------------------- Running Regression ----------------------------- |