Top "Data-visualization" questions

Data visualization is the study of the visual representation of data.

How to make IPython notebook matplotlib plot inline

I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0. I cannot get matplotlib graphics to …

python matplotlib jupyter-notebook ipython data-visualization
How do I convert a numpy array to (and display) an image?

I have created an array thusly: import numpy as np data = np.zeros( (512,512,3), dtype=np.uint8) data[256,256] = [255,0,0] What I want …

python arrays image numpy data-visualization
Plot correlation matrix using pandas

I have a data set with huge number of features, so analysing the correlation matrix has become very difficult. I …

python pandas matplotlib data-visualization information-visualization
How to plot a histogram using Matplotlib in Python with a list of data?

I am trying to plot a histogram using the matplotlib.hist() function but I am not sure how to do …

python matplotlib visualization data-visualization
Adding value labels on a matplotlib bar chart

I got stuck on something that feels like should be relatively easy. The code I bring below is a sample …

python python-2.7 pandas matplotlib data-visualization
3D Plotting from X, Y, Z Data, Excel or other Tools

I have data that looks like this: 1000 13 75.2 1000 21 79.21 1000 29 80.02 5000 29 87.9 5000 37 88.54 5000 45 88.56 10000 29 90.11 10000 37 90.79 10000 45 90.87 I want to use the first column as x axis labels, the second …

excel charts plot visualization data-visualization
Construct a manual legend for a complicated plot

I cannot figure out how to manually set up a legend for this plot. All I really want is a …

r data-visualization ggplot2
Heatmap in matplotlib with pcolor?

I'd like to make a heatmap like this (shown on FlowingData): The source data is here, but random data and …

python matplotlib data-visualization heatmap
ggplot2 plot area margins?

Is there an easy way to increase the space between the plot title and the plot area below it (the …

r ggplot2 data-visualization
How can I run Tensorboard on a remote server?

I'm new to Tensorflow and would greatly benefit from some visualizations of what I'm doing. I understand that Tensorboard is …

tensorflow machine-learning data-visualization remote-access tensorboard