andrewmusselman

Job title – Data Scientist

Basic Qualifications

1. Bachelor’s Degree in Mathematics, Technical Science, Computer Science (or equivalent) or Engineering
2. Minimum 1 year programming experience in at least one item from each:

• R, SAS,Mathematica, MATLAB, Sagemath
• Python, Ruby, Perl, Java, Scala
• Linux
• Bash scripting including sed, awk, cut, uniq, sort, tr

andrewmusselman

$ mahout
Running on hadoop, using /home/akm/hadoop-2.4.1/bin/hadoop and HADOOP_CONF_DIR=
MAHOUT-JOB: /home/akm/mahout/examples/target/mahout-examples-0.10.1-SNAPSHOT-job.jar
An example program must be given as the first argument.
Valid program names are:
  arff.vector: : Generate Vectors from an ARFF file or directory
  baumwelch: : Baum-Welch algorithm for unsupervised HMM training
  buildforest: : Build the random forest classifier
  canopy: : Canopy clustering
  cat: : Print a file or resource as the logistic regression models would see it

andrewmusselman

import numpy as np
mp = matrix([[0.00, 0.25, 0.25, 0.8],[0.75, 0.00, 0.25, 0.9],[0.25, 0.75, 0.50, 0.3]])
numpy.linalg.svd(mp)
U, s, V = np.linalg.svd(mp, full_matrices=True)
U.shape, V.shape, s.shape
S = np.zeros((3, 4), dtype=complex)
S[:3, :3] = np.diag(s)
np.allclose(mp, np.dot(U, np.dot(S, V)))