Top "Graph" questions

This "graph" tag refers to a graphical data presentation, e.g. chart or diagram.

How to generate graphs and charts from mysql database in php

How can I generate graphs and charts from a mysql database using php? I'm trying to use "chart director" but …

php mysql graph charts
Good Java graph algorithm library?

Has anyone had good experiences with any Java libraries for Graph algorithms. I've tried JGraph and found it ok, and …

java algorithm graph
Graph implementation C++

I was wondering about a quick to write implementation of a graph in c++. I need the data structure to …

c++ graph
Python equivalent to 'hold on' in Matlab

Is there an explicit equivalent command in Python's matplotlib for Matlab's hold on? I'm trying to plot all my graphs …

python matlab graph matplotlib
Generating a PNG with matplotlib when DISPLAY is undefined

I am trying to use networkx with Python. When I run this program it get this error. Is there anything …

python matplotlib graph
Count number of times a date occurs and make a graph out of it

I have a list of dates, each date in it can occur more than once. I want to count the …

excel date graph excel-2010 unique
How do I create a chart with multiple series using different X values for each series?

I want to draw several graphs and combine them into one figure. I will explain the problem in an example. …

excel graph excel-2008
how to draw directed graphs using networkx in python?

I have some nodes coming from a script that I want to map on to a graph. In the below, …

python plot graph networkx directed-graph
How can I plot a histogram such that the heights of the bars sum to 1 in matplotlib?

I'd like to plot a normalized histogram from a vector using matplotlib. I tried the following: plt.hist(myarray, normed=…

python graph numpy matplotlib scipy
How to combine 2 plots (ggplot) into one plot?

By using R, is it possible to place 2 ggplot together (i.e., on the same plot)? I wish to show …

r graph plot ggplot2 visualization