Plot module

Plot contents

class Plot.BoxPlot(probe_list, samples, filename='boxplot', imgtype='png')

Box plot class creates a BoxPlot figure from probes and groups.

Parameters:

• probe_list – A list of probes.
• samples – A list of groups.
• filename – output filename.
• imgtype – output image format.

Returns:

writes an image onto disk.

class Plot.BoxPlotGroups(probe_list, group1, group2, filename='boxplot', imgtype='png')

Box plot class creates a BoxPlot figure from Grouped groups.

Parameters:

• probe_list – A list of probes.
• groups – A list of groups.
• filename – output filename.
• imgtype – output image format.

Returns:

writes an image onto disk.

class Plot.Heatmap(samples, probes, file_name, properties=<Plot.Properties instance>)

This class creates a heatmap object

Parameters:

• probes – A list of probes.
• samples – A list of groups.
• file_name – output filename.
• properties – An instance of Properties class [optional].

Returns:

writes a PNG image onto disk.

static block(ctx, x, y, size, intensity, nan=False)

Create a single block. Used by Heatmap class.

Parameters:

• ctx – cairo context
• x – x-coordinate
• y – y-coordinate
• size – block size
• intensity – color intensity
• nan – null value

Returns:

Draws a block

class Plot.Properties(size=20, xoff=20, yoff=100)

Defines the style of Heatmap plots

size defines the block size. xoff defines x offset. yoff defines y offset.