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smile

plot

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package plot

Data visualization.

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  1. trait Operators extends AnyRef

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    Data visualization operators.

  2. case class Window(frame: JFrame, canvas: PlotCanvas) extends Product with Serializable

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Value Members

  1. object Window extends Serializable

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  2. def boxplot(data: Array[Array[Double]], labels: Array[String]): Window

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    Box plot.

    Box plot.

    data

    a data matrix of which each row will create a box plot.

    labels

    the labels for each box plot.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  3. def boxplot(data: Array[Double]*): Window

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    A box plot is a convenient way of graphically depicting groups of numerical data through their five-number summaries (the smallest observation (sample minimum), lower quartile (Q1), median (Q2), upper quartile (Q3), and largest observation (sample maximum).

    A box plot is a convenient way of graphically depicting groups of numerical data through their five-number summaries (the smallest observation (sample minimum), lower quartile (Q1), median (Q2), upper quartile (Q3), and largest observation (sample maximum). A box plot may also indicate which observations, if any, might be considered outliers.

    Box plots can be useful to display differences between populations without making any assumptions of the underlying statistical distribution: they are non-parametric. The spacings between the different parts of the box help indicate the degree of dispersion (spread) and skewness in the data, and identify outliers.

    For a data set, we construct a boxplot in the following manner:

    • Calculate the first q1, the median q2 and third quartile q3. - Calculate the interquartile range (IQR) by subtracting the first quartile from the third quartile. (q3 ? q1)
    • Construct a box above the number line bounded on the bottom by the first quartile (q1) and on the top by the third quartile (q3).
    • Indicate where the median lies inside of the box with the presence of a line dividing the box at the median value.
    • Any data observation which lies more than 1.5*IQR lower than the first quartile or 1.5IQR higher than the third quartile is considered an outlier. Indicate where the smallest value that is not an outlier is by connecting it to the box with a horizontal line or "whisker". Optionally, also mark the position of this value more clearly using a small vertical line. Likewise, connect the largest value that is not an outlier to the box by a "whisker" (and optionally mark it with another small vertical line).
    • Indicate outliers by dots.
    data

    a data matrix of which each row will create a box plot.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  4. def contour(x: Array[Double], y: Array[Double], z: Array[Array[Double]], levels: Array[Double], palette: Array[Color]): Window

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    Contour plot.

    Contour plot. A contour plot is a graphical technique for representing a 3-dimensional surface by plotting constant z slices, called contours, on a 2-dimensional format. That is, given a value for z, lines are drawn for connecting the (x, y) coordinates where that z value occurs. The contour plot is an alternative to a 3-D surface plot.

    x

    the x coordinates of the data grid of z. Must be in ascending order.

    y

    the y coordinates of the data grid of z. Must be in ascending order.

    z

    the data matrix to create contour plot.

    levels

    the level values of contours.

    palette

    the color for each contour level.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  5. def contour(x: Array[Double], y: Array[Double], z: Array[Array[Double]]): Window

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    Contour plot.

    Contour plot. A contour plot is a graphical technique for representing a 3-dimensional surface by plotting constant z slices, called contours, on a 2-dimensional format. That is, given a value for z, lines are drawn for connecting the (x, y) coordinates where that z value occurs. The contour plot is an alternative to a 3-D surface plot.

    x

    the x coordinates of the data grid of z. Must be in ascending order.

    y

    the y coordinates of the data grid of z. Must be in ascending order.

    z

    the data matrix to create contour plot.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  6. def contour(z: Array[Array[Double]], levels: Array[Double], palette: Array[Color]): Window

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    Contour plot.

    Contour plot. A contour plot is a graphical technique for representing a 3-dimensional surface by plotting constant z slices, called contours, on a 2-dimensional format. That is, given a value for z, lines are drawn for connecting the (x, y) coordinates where that z value occurs. The contour plot is an alternative to a 3-D surface plot.

    z

    the data matrix to create contour plot.

    levels

    the level values of contours.

    palette

    the color for each contour level.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  7. def contour(z: Array[Array[Double]]): Window

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    Contour plot.

    Contour plot. A contour plot is a graphical technique for representing a 3-dimensional surface by plotting constant z slices, called contours, on a 2-dimensional format. That is, given a value for z, lines are drawn for connecting the (x, y) coordinates where that z value occurs. The contour plot is an alternative to a 3-D surface plot.

    z

    the data matrix to create contour plot.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  8. def dendrogram(merge: Array[Array[Int]], height: Array[Double]): Window

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    A dendrogram is a tree diagram to illustrate the arrangement of the clusters produced by hierarchical clustering.

    A dendrogram is a tree diagram to illustrate the arrangement of the clusters produced by hierarchical clustering.

    merge

    an n-1 by 2 matrix of which row i describes the merging of clusters at step i of the clustering. If an element j in the row is less than n, then observation j was merged at this stage. If j ≥ n then the merge was with the cluster formed at the (earlier) stage j-n of the algorithm.

    height

    a set of n-1 non-decreasing real values, which are the clustering height, i.e., the value of the criterion associated with the clustering method for the particular agglomeration.

    Definition Classes
    Operators
  9. def dendrogram(hc: HierarchicalClustering): Window

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    A dendrogram is a tree diagram to illustrate the arrangement of the clusters produced by hierarchical clustering.

    A dendrogram is a tree diagram to illustrate the arrangement of the clusters produced by hierarchical clustering.

    hc

    hierarchical clustering object.

    Definition Classes
    Operators
  10. def grid(data: Array[Array[Array[Double]]]): Window

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    2D grid plot.

    2D grid plot.

    data

    an m x n x 2 array which are coordinates of m x n grid.

    Definition Classes
    Operators
  11. def heatmap(rowLabels: Array[String], columnLabels: Array[String], z: Array[Array[Double]], palette: Array[Color]): Window

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    Pseudo heat map plot.

    Pseudo heat map plot.

    rowLabels

    the labels for rows of data matrix.

    columnLabels

    the labels for columns of data matrix.

    z

    a data matrix to be shown in pseudo heat map.

    palette

    the color palette.

    Definition Classes
    Operators
  12. def heatmap(rowLabels: Array[String], columnLabels: Array[String], z: Array[Array[Double]]): Window

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    Pseudo heat map plot.

    Pseudo heat map plot.

    rowLabels

    the labels for rows of data matrix.

    columnLabels

    the labels for columns of data matrix.

    z

    a data matrix to be shown in pseudo heat map.

    Definition Classes
    Operators
  13. def heatmap(x: Array[Double], y: Array[Double], z: Array[Array[Double]], palette: Array[Color]): Window

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    Pseudo heat map plot.

    Pseudo heat map plot.

    x

    x coordinate of data matrix cells. Must be in ascending order.

    y

    y coordinate of data matrix cells. Must be in ascending order.

    z

    a data matrix to be shown in pseudo heat map.

    palette

    the color palette.

    Definition Classes
    Operators
  14. def heatmap(x: Array[Double], y: Array[Double], z: Array[Array[Double]]): Window

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    Pseudo heat map plot.

    Pseudo heat map plot.

    x

    x coordinate of data matrix cells. Must be in ascending order.

    y

    y coordinate of data matrix cells. Must be in ascending order.

    z

    a data matrix to be shown in pseudo heat map.

    Definition Classes
    Operators
  15. def heatmap(z: Array[Array[Double]], palette: Array[Color]): Window

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    Pseudo heat map plot.

    Pseudo heat map plot.

    z

    a data matrix to be shown in pseudo heat map.

    palette

    the color palette.

    Definition Classes
    Operators
  16. def heatmap(z: Array[Array[Double]]): Window

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    Pseudo heat map plot.

    Pseudo heat map plot.

    z

    a data matrix to be shown in pseudo heat map.

    Definition Classes
    Operators
  17. def hexmap(labels: Array[Array[String]], z: Array[Array[Double]], palette: Array[Color]): Window

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    Heat map with hex shape.

    Heat map with hex shape.

    labels

    the descriptions of each cell in the data matrix.

    z

    a data matrix to be shown in pseudo heat map.

    palette

    the color palette.

    Definition Classes
    Operators
  18. def hexmap(labels: Array[Array[String]], z: Array[Array[Double]]): Window

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    Heat map with hex shape.

    Heat map with hex shape.

    labels

    the descriptions of each cell in the data matrix.

    z

    a data matrix to be shown in pseudo heat map.

    Definition Classes
    Operators
  19. def hexmap(z: Array[Array[Double]], palette: Array[Color]): Window

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    Heat map with hex shape.

    Heat map with hex shape.

    z

    a data matrix to be shown in pseudo heat map.

    palette

    the color palette.

    Definition Classes
    Operators
  20. def hexmap(z: Array[Array[Double]]): Window

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    Heat map with hex shape.

    Heat map with hex shape.

    z

    a data matrix to be shown in pseudo heat map.

    Definition Classes
    Operators
  21. def hist(data: Array[Array[Double]], xbins: Int, ybins: Int): Window

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    3D histogram plot.

    3D histogram plot.

    data

    a sample set.

    xbins

    the number of bins on x-axis.

    ybins

    the number of bins on y-axis.

    Definition Classes
    Operators
  22. def hist(data: Array[Array[Double]], k: Int): Window

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    3D histogram plot.

    3D histogram plot.

    data

    a sample set.

    k

    the number of bins.

    Definition Classes
    Operators
  23. def hist(data: Array[Array[Double]]): Window

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    3D histogram plot.

    3D histogram plot.

    data

    a sample set.

    Definition Classes
    Operators
  24. def hist(data: Array[Double], breaks: Array[Double]): Window

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    Histogram plot.

    Histogram plot.

    data

    a sample set.

    breaks

    an array of size k+1 giving the breakpoints between histogram cells. Must be in ascending order.

    Definition Classes
    Operators
  25. def hist(data: Array[Double], k: Int): Window

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    Histogram plot.

    Histogram plot.

    data

    a sample set.

    k

    the number of bins.

    Definition Classes
    Operators
  26. def hist(data: Array[Double]): Window

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    Histogram plot.

    Histogram plot.

    data

    a sample set.

    Definition Classes
    Operators
  27. def line(data: Array[Array[Double]], style: Style = Line.Style.SOLID, color: Color = Color.BLACK, legend: Char = ' '): Window

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    Line plot.

    Line plot.

    data

    a n-by-2 or n-by-3 matrix that describes coordinates of points.

    style

    the stroke style of line.

    color

    the color of line.

    legend

    the legend used to draw data points. The default value ' ' makes the point indistinguishable from the line on purpose.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  28. def plot(x: Array[Array[Double]], y: Array[Double], model: Regression[Array[Double]]): Window

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    Plots the regression surface.

    Plots the regression surface.

    x

    training data.

    y

    response variable.

    model

    regression model.

    Definition Classes
    Operators
  29. def plot(x: Array[Array[Double]], y: Array[Int], model: Classifier[Array[Double]]): Window

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    Plots the classification boundary.

    Plots the classification boundary.

    x

    training data.

    y

    training label.

    model

    classification model.

    Definition Classes
    Operators
  30. def plot(data: AttributeDataset, legend: Array[Char], palette: Array[Color]): JFrame

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    Plot a grid of scatter plots of for all attribute pairs in the attribute data of which the response variable is integer.

    Plot a grid of scatter plots of for all attribute pairs in the attribute data of which the response variable is integer.

    data

    an attribute frame.

    legend

    the legend for each class.

    palette

    the color for each class.

    returns

    the window frame.

    Definition Classes
    Operators
  31. def plot(data: AttributeDataset, legend: Char, palette: Array[Color]): JFrame

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    Plot a grid of scatter plots of for all attribute pairs in the attribute data of which the response variable is integer.

    Plot a grid of scatter plots of for all attribute pairs in the attribute data of which the response variable is integer.

    data

    an attribute frame.

    legend

    the legend for all classes.

    palette

    the color for each class.

    returns

    the window frame.

    Definition Classes
    Operators
  32. def plot(data: AttributeDataset, legend: Char): JFrame

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    Plot a grid of scatter plots of for all attribute pairs in the attribute data.

    Plot a grid of scatter plots of for all attribute pairs in the attribute data.

    data

    an attribute frame.

    legend

    the legend for all classes.

    returns

    the window frame.

    Definition Classes
    Operators
  33. def plot(data: Array[Array[Double]], label: Array[Int], legend: Array[Char], palette: Array[Color]): Window

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    Scatter plot.

    Scatter plot.

    data

    a n-by-2 or n-by-3 matrix that describes coordinates of points.

    label

    the class labels of data.

    legend

    the legend for each class.

    palette

    the color for each class.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  34. def plot(data: Array[Array[Double]], label: Array[Int], legend: Char, palette: Array[Color]): Window

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    Scatter plot.

    Scatter plot.

    data

    a n-by-2 or n-by-3 matrix that describes coordinates of points.

    label

    the class labels of data.

    legend

    the legend for all classes.

    palette

    the color for each class.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  35. def plot(data: Array[Array[Double]], labels: Array[String]): Window

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    Scatter plot.

    Scatter plot.

    data

    a n-by-2 or n-by-3 matrix that describes coordinates of points.

    labels

    labels of points.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  36. def plot(data: Array[Array[Double]], legend: Char = '*', color: Color = Color.BLACK): Window

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    Scatter plot.

    Scatter plot.

    data

    a n-by-2 or n-by-3 matrix that describes coordinates of points.

    legend

    the legend used to draw points.

    • . : dot
    • + : +
    • - : -
    • | : |
    • * : star
    • x : x
    • o : circle
    • O : large circle
    • @ : solid circle
    • # : large solid circle
    • s : square
    • S : large square
    • q : solid square
    • Q : large solid square
    • others : dot
    color

    the color used to draw points.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  37. def qqplot(x: Array[Int], y: Array[Int]): Window

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    QQ plot of two sample sets.

    QQ plot of two sample sets. The x-axis is the quantiles of x and the y-axis is the quantiles of y.

    x

    a sample set.

    y

    a sample set.

    Definition Classes
    Operators
  38. def qqplot(x: Array[Int], d: DiscreteDistribution): Window

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    QQ plot of samples to given distribution.

    QQ plot of samples to given distribution. The x-axis is the quantiles of x and the y-axis is the quantiles of given distribution.

    x

    a sample set.

    d

    a distribution.

    Definition Classes
    Operators
  39. def qqplot(x: Array[Double], y: Array[Double]): Window

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    QQ plot of two sample sets.

    QQ plot of two sample sets. The x-axis is the quantiles of x and the y-axis is the quantiles of y.

    x

    a sample set.

    y

    a sample set.

    Definition Classes
    Operators
  40. def qqplot(x: Array[Double], d: Distribution): Window

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    QQ plot of samples to given distribution.

    QQ plot of samples to given distribution. The x-axis is the quantiles of x and the y-axis is the quantiles of given distribution.

    x

    a sample set.

    d

    a distribution.

    Definition Classes
    Operators
  41. def qqplot(x: Array[Double]): Window

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    QQ plot of samples to standard normal distribution.

    QQ plot of samples to standard normal distribution. The x-axis is the quantiles of x and the y-axis is the quantiles of normal distribution.

    x

    a sample set.

    Definition Classes
    Operators
  42. def screeplot(pca: PCA): Window

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    The scree plot is a useful visual aid for determining an appropriate number of principal components.

    The scree plot is a useful visual aid for determining an appropriate number of principal components. The scree plot graphs the eigenvalue against the component number. To determine the appropriate number of components, we look for an "elbow" in the scree plot. The component number is taken to be the point at which the remaining eigenvalues are relatively small and all about the same size.

    pca

    principal component analysis object.

    Definition Classes
    Operators
  43. def spy(matrix: SparseMatrix): Window

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    Visualize sparsity pattern.

    Visualize sparsity pattern.

    matrix

    a sparse matrix.

    Definition Classes
    Operators
  44. def staircase(data: Array[Double]*): Window

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    Create a plot canvas with the staircase line plot.

    Create a plot canvas with the staircase line plot.

    data

    a n x 2 or n x 3 matrix that describes coordinates of points.

    Definition Classes
    Operators
  45. def surface(x: Array[Double], y: Array[Double], z: Array[Array[Double]], palette: Array[Color]): Window

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    3D surface plot.

    3D surface plot.

    x

    the x-axis values of surface.

    y

    the y-axis values of surface.

    z

    the z-axis values of surface.

    palette

    the color palette.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  46. def surface(x: Array[Double], y: Array[Double], z: Array[Array[Double]]): Window

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    3D surface plot.

    3D surface plot.

    x

    the x-axis values of surface.

    y

    the y-axis values of surface.

    z

    the z-axis values of surface.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  47. def surface(z: Array[Array[Double]], palette: Array[Color]): Window

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    3D surface plot.

    3D surface plot.

    z

    the z-axis values of surface.

    palette

    the color palette.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  48. def surface(z: Array[Array[Double]]): Window

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    3D surface plot.

    3D surface plot.

    z

    the z-axis values of surface.

    returns

    a tuple of window frame and plot canvas which can be added other shapes.

    Definition Classes
    Operators
  49. def wireframe(vertices: Array[Array[Double]], edges: Array[Array[Int]]): Window

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    Wire frame plot.

    Wire frame plot. A wire frame model specifies each edge of the physical object where two mathematically continuous smooth surfaces meet, or by connecting an object's constituent vertices using straight lines or curves.

    vertices

    a n-by-2 or n-by-3 array which are coordinates of n vertices.

    edges

    an m-by-2 array of which each row is the vertex indices of two end points of each edge.

    Definition Classes
    Operators

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