我有这个类用于存储从XML文件中读取数据到对象列表:添加字符串值在特定点
public class cPoint
{
public string point;
public string time;
public double xPoint;
public double yPoint;
public string csv;
}
我再有另一个类冲刷XML文件,并存储数据在List<cPoint> sorted = new List<cPoint>();
这是全球性的:
...
if (measurementType == "Body")
{
cPoint Point = new cPoint();
Point.time = endTime;
Point.point = location;
Point.xPoint = Convert.ToDouble(xOffset);
Point.yPoint = Convert.ToDouble(yOffset);
sorted.Sort((x, y) => x.point.CompareTo(y.point));
csvString = endTime + "," + location + "," + xOffset + "," + yOffset;
Point.csv = csvString;
sorted.Add(Point);
}
,最后我用这个代码在我的主要通过不同的名称在sorted
进行排序,并计算相关xPoint
和yPoint
的标准偏差:
List<string> PointNames = sorted.Select(x => x.point).Distinct().ToList();
foreach (var name in PointNames)
{
// Get all Values Where the name is equal to the name in List; Select all xPoint Values
double[] x_array = sorted.Where(n => n.point == name).Select(x => x.xPoint).ToArray();
string StdDevX = Convert.ToString(Statistics.StandardDeviation(x_array));
// Get all Values Where the name is equal to the name in List; Select all yPoint Values
double[] y_array = sorted.Where(n => n.point == name).Select(x => x.yPoint).ToArray();
string StdDevY = Convert.ToString(Statistics.StandardDeviation(y_array));
//Something along these lines:
//sorted.csv += StdDevX "," + StdDevY;
}
List<string> CSV = sorted.Select(x => x.csv).ToList();
WriteToFile(Title);
WriteToFile(CSV);
我想要做的是将一个StdDevX + "," + StdDevY
的字符串添加到每个sorted.csv,并使用不同的名称。正如你可以在我的代码底部看到的,我正在将sorted.csv写入一个excel文件(作为逗号分隔值)。这里是我的预期输出来说明我need。
任何帮助将是伟大的球员
嗯,我得到的错误'连接点不包含定义为“ForEach”?也许我正在做一些愚蠢的事情。 –
对,我的不好。应该是:'sorted.Last(n => n.point == name).csv + = StdDevX“,”+ StdDevY;' – owczarek