[重大更新，即将推出其他功能；不要忘记遵循此文件。]

Given vectors of x-values, y-values, and a vector of label names, lablepoints.m will automatically place all labels appropriately in the plot and output their handles. This function streamlines matlab's builtin text() function and greatly increases its flexibility.
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XPOS = [1,2,3,4];ypos = [1,4,1,5];标签= {'lancaster'，'cincinnati'，'sofia'，'rochester'}
h = labelpoints (xpos, ypos, labels)
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(optional) Choose where you want your label relative to the data point using initials of compass directions (N, S, E, W, NE, NW, SE, SW, Center).
h = labelpoints（xpos，ypos，标签，'n'）
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(optional) Add (or subtract) extra space between data points and labels by using a buffer between 0:1
h = labelPoints（xpos，ypos，标签，'n'，0.15）
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(optional) Decide whether or not the axis limits should automatically adjust if a label falls out of the axis limits (0/1)
h = labelPoints（xpos，ypos，标签，'n'，0.15，1）
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(optional) Let labelpoints.m identify and label only the outliers in your data. Several outlier methods are available (see help labelpoints)
- Identify and label outliers that are N standard deviations from the mean
- Identify and label outliers that are greater than N times the interquartile range
- 识别并标记在给定界内或外部的异常值
- 识别和标记来自数据线性拟合的高残差的异常值。
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(optional) Easily place texts in a list stacked downward, upward, to the left or right.
h = labelpoints（xpos，ypos，标签，'n，“堆叠”，“ down”）
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（可选）旋转所有标签
h = labelpoints (xpos, ypos, labels, 'rotation', 45)
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（可选）指定所有标签的字体尺寸和颜色
h = labelpoints（xpos，ypos，标签，'fontsize'，12，'颜色'，'r'）
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帮助部分包括许多用途示例，这些示例展示了带有数字，字符串和符号的标签。如示例所示，此功能非常灵活。只有三个所需的输入，3个可选输入和几个可选参数，以提高灵活性。异常值选项可能需要Stats工具箱。