swateek

// export data to csv

print("ap_mac,tags");
db.managedaps.find({}).forEach(function(ap){
  print(ap.mac+","+ap.tags);
});

// mongo dbname filename.js > out.csv

swateek

import numpy as np
import matplotlib.pyplot as plt

hist, bin_edges = np.histogram([1, 1, 2, 2, 2, 2, 3], bins = range(5))

plt.bar(bin_edges[:-1], hist, width = 1)
plt.xlim(min(bin_edges), max(bin_edges))
plt.show()

swateek

import math

def numBins(metric, defaultBins):
	h = binWidth(metric)
	ulim = max(metric)
	llim = min(metric)
	if (h <= (ulim - llim) / len(metric)):
		return defaultBins or 10
	return int(math.ceil((ulim - llim) / h))

swateek

// metric = array of real numbers (like > 100 or something)
// IQR = inter-quaartile-range
function numBins(metric, defaultBins) {
    var h = binWidth(metric), ulim = Math.max.apply(Math, metric), llim = Math.min.apply(Math, metric);
    if (h <= (ulim - llim) / metric.length) {
        return defaultBins || 10; // Fix num bins if binWidth yields too small a value.
    }
    return Math.ceil((ulim - llim) / h);
}