private IList<(int rownum, DateTime time, double A, double B)> ResampleAndNormalize(IList<(DateTime time, double value, string source)> rawTicks, int interval = 100)
{
var uniqueTicks = rawTicks.GroupBy(x => (time: x.time, source: x.source), x => x,
(k, ticks) => (time: k.time, value: ticks.Average(x => x.value), source: k.source)).ToList();
var ASeries = uniqueTicks.Where(x => x.source.ToLowerInvariant() == "A").Select(x => KeyValue.Create(x.time, x.value)).ToSeries();
var BSeries = uniqueTicks.Where(x => x.source.ToLowerInvariant() == "B").Select(x => KeyValue.Create(x.time, x.value)).ToSeries();
var startTime = ASeries.FirstKey().MinTime(BSeries.FirstKey()).RoundMs(interval);
var endTime = ASeries.LastKey().MaxTime(BSeries.LastKey()).RoundMs(interval);
var newKeys = Enumerable.Range(0, (int)Math.Ceiling(endTime.Subtract(startTime).TotalMilliseconds / interval))
.Select(x => startTime.AddMilliseconds(x * interval)).ToList();
var AResampled = ASeries.ResampleEquivalence(x => x.RoundMs(interval), x => x.Mean());
var BResampled = BSeries.ResampleEquivalence(x => x.RoundMs(interval), x => x.Mean());
AResampled = AResampled.Realign(newKeys).FillMissing(Direction.Forward).FillMissing(Direction.Backward);
BResampled = BResampled.Realign(newKeys).FillMissing(Direction.Forward).FillMissing(Direction.Backward);
var results = new List<(int rownum, DateTime time, double A, double B)>();
for (int i = 0; i < newKeys.Count; i++)
{
var time = newKeys[i];
var Avalue = AResampled.GetAt(i);
var Bvalue = BResampled.GetAt(i);
results.Add((rownum: 0, time: time, A: Avalue, B: Bvalue));
}
return results;
}
public static class DateTimeExtensions
{
public static DateTime RoundMs(this DateTime time, int precision)
{
var ticksPrecision = precision * TimeSpan.TicksPerMillisecond;
var ticksRemainder = time.Ticks % ticksPrecision;
if (ticksRemainder >= ticksPrecision / 2)
ticksRemainder = ticksPrecision - ticksRemainder;
else
ticksRemainder = -ticksRemainder;
return time.AddTicks(ticksRemainder);
}
public static DateTime MinTime(this DateTime a, DateTime b)
{
return a >= b ? b : a;
}
public static DateTime MaxTime(this DateTime a, DateTime b)
{
return a < b ? b : a;
}
}
安装旧版本（“ 4.3.0”，而最新开发版本为“ 4.9.4”（在git-hub上））。
所以我克隆了the git repo，然后从那里运行了npm install docsify -g，但这似乎没有任何用处。至少之后，我的 PATH 中没有npm install可执行文件。
答案 0 :(得分：0)
npm install [git_url]
就是这样。