On Wed, Jan 11, 2017 at 3:05 PM, [email protected] wrote:
I have a large amount of data (4GB) that need to be plotted with Bokeh. I
don’t need to plot all data at once. Rather, I can plot a small portion of
data and can use a scroll bar to adjust the viewing window. Is this possible
with Bokeh? I am really new with Bokeh so please bear with me if the
question has been mentioned before.
Another related question is do I need to load all the data to memory before
plotting? Can Bokeh load only the part being plotted? I think this might
help reduce the memory consumption and provide some speedup overall. Thanks
I would recommend aggregating or summarizing the data before trying to
visualize it. That sounds like too much data to visually just throw
into a chart or figure and have it be meaningful. Pandas and Numpy are
very useful for doing this sort of thing with Bokeh visualizations.
Also, oerhaps check out datashader also:
Datashader is a graphics pipeline system for creating meaningful
representations of large amounts of data.
Alex G Rice
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