Does anyone have any wisdom on workflows for data analysis related to custom report writing? The use-case is basically this: Client commissions a report that uses data analysis, e.g. a population estimate and related maps for a water district. The analyst downloads some data, munges the data and saves the result (e.g. adding a column … Read more
I have a data set with huge number of features, so analysing the correlation matrix has become very difficult. I want to plot a correlation matrix which we get using dataframe.corr() function from pandas library. Is there any built-in function provided by the pandas library to plot this matrix? 16 Answers 16
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 this to do is display a single red dot in the center of a 512×512 image. (At least to begin with… I think I can figure out the rest from there) 11 Answers 11
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 show up inline. import matplotlib import numpy as np import matplotlib.pyplot as plt %matplotlib inline I have also tried %pylab inline and the ipython command line arguments –pylab=inline but this makes no difference. … Read more
