Adding

.ipynb_checkpoints/coditility-checkpoint.py

@@ -0,0 +1,16 @@
+# you can write to stdout for debugging purposes, e.g.
+# print("this is a debug message")
+
+def solution(predicted, observed):
+    # write your code in Python 3.6
+    sqdeviations = []
+    for obs, pre in zip(observed, predicted):
+        sqdeviations.append((obs-pre)**2)
+
+    mse = (sum(sqdeviations))/len(sqdeviations)
+    rmse = mse ** 0.5
+    return rmse
+predicted = [4, 25,  0.75, 11]
+observed  = [3, 21, -1.25, 13]
+
+solution(predicted, observed)

AnalyzeABTestResults 2/Analyze_ab_test_results_notebook.ipynb

@@ -1731,7 +1731,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python [default]",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -1745,7 +1745,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.5.5"
+   "version": "3.6.6"
   }
  },
  "nbformat": 4,

P3-Wrangle OSM Data/tokyo_japan.osm/Submission/.ipynb_checkpoints/osm_sampler-checkpoint.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+"""
+Created on Thu Apr 20 18:51:14 2017
+
+@author: Christopher
+"""
+OSM_FILE = "tokyo_japan.xml"  # Replace this with your osm file
+SAMPLE_FILE = "tokyo_extract_k_10000.xml"
+
+import codecs
+
+import xml.etree.ElementTree as ET  # Use cElementTree or lxml if too slow
+
+
+k = 3000 # Parameter: take every k-th top level element
+
+def get_element(osm_file, tags=('node', 'way', 'relation')):
+    """Yield element if it is the right type of tag
+
+    Reference:
+    http://stackoverflow.com/questions/3095434/inserting-newlines-in-xml-file-generated-via-xml-etree-elementtree-in-python
+    """
+    context = iter(ET.iterparse(osm_file, events=('start', 'end')))
+    _, root = next(context)
+    for event, elem in context:
+        if event == 'end' and elem.tag in tags:
+            yield elem
+            root.clear()
+
+if __name__== "__main__":
+    with codecs.open(SAMPLE_FILE, 'wb') as output:
+        output.write(b'<?xml version="1.0" encoding="UTF-8"?>\n')
+        output.write(b'<osm>\n  ')
+
+        # Write every kth top level element
+        for i, element in enumerate(get_element(OSM_FILE)):
+            if i % k == 0:
+                output.write(ET.tostring(element, encoding='utf-8'))
+
+        output.write(b'</osm>')