18/05/23 16:20:34.21 xYq3JC1R.net
>>720
単に公式に当てはめればいい
$data = import-csv "csvのパス" -Header X,Y
$meanX = $data.X | measure -Average | select -expand Average
$meanY = $data.Y | measure -Average | select -expand Average
$sd = $data | foreach { ($_.X - $meanX) * ($_.X - $meanX) } | measure -Average | select -expand Average
$cd = $data | foreach { ($_.X - $meanX) * ($_.Y - $meanY) } | measure -Average | select -expand Average
$slope = $cd / $sd
$meanY - $slope * $meanX