1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
---
title: Exploration Statistics
keywords: fastai
sidebar: home_sidebar
summary: "This module comprises all the functions for calculating descriptive statistics."
---
<!--
#################################################
### THIS FILE WAS AUTOGENERATED! DO NOT EDIT! ###
#################################################
# file to edit: nbs/09_desc.stats.ipynb
# command to build the docs after a change: nbdev_build_docs
-->
<div class="container" id="notebook-container">
<div class="cell border-box-sizing code_cell rendered">
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="o">!</span>pip install dit
<span class="o">!</span>pip install sentencepiece
</pre></div>
</div>
</div>
</div>
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_subarea output_stream output_stdout output_text">
<pre>Requirement already satisfied: dit in /usr/local/lib/python3.6/dist-packages (1.2.3)
Requirement already satisfied: scipy>=0.15.0 in /usr/local/lib/python3.6/dist-packages (from dit) (1.4.1)
Requirement already satisfied: networkx in /usr/local/lib/python3.6/dist-packages (from dit) (2.4)
Requirement already satisfied: contextlib2 in /usr/local/lib/python3.6/dist-packages (from dit) (0.5.5)
Requirement already satisfied: numpy>=1.11 in /usr/local/lib/python3.6/dist-packages (from dit) (1.17.5)
Requirement already satisfied: boltons in /usr/local/lib/python3.6/dist-packages (from dit) (20.0.0)
Requirement already satisfied: debtcollector in /usr/local/lib/python3.6/dist-packages (from dit) (2.0.0)
Requirement already satisfied: six>=1.4.0 in /usr/local/lib/python3.6/dist-packages (from dit) (1.12.0)
Requirement already satisfied: prettytable in /usr/local/lib/python3.6/dist-packages (from dit) (0.7.2)
Requirement already satisfied: decorator>=4.3.0 in /usr/local/lib/python3.6/dist-packages (from networkx->dit) (4.4.1)
Requirement already satisfied: wrapt>=1.7.0 in /usr/local/lib/python3.6/dist-packages (from debtcollector->dit) (1.11.2)
Requirement already satisfied: pbr!=2.1.0,>=2.0.0 in /usr/local/lib/python3.6/dist-packages (from debtcollector->dit) (5.4.4)
Requirement already satisfied: sentencepiece in /usr/local/lib/python3.6/dist-packages (0.1.85)
</pre>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
</div>
<div class="cell border-box-sizing code_cell rendered">
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_markdown rendered_html output_subarea ">
<h4 id="get_desc_stats" class="doc_header"><code>get_desc_stats</code><a href="https://github.com/ncoop57/ds4se/tree/master/ds4se/desc/stats.py#L11" class="source_link" style="float:right">[source]</a></h4><blockquote><p><code>get_desc_stats</code>(<strong><code>l</code></strong>)</p>
</blockquote>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="n">l</span> <span class="o">=</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">,</span> <span class="mi">8</span><span class="p">,</span> <span class="mi">7</span><span class="p">,</span> <span class="mi">10</span><span class="p">]</span>
</pre></div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="n">get_desc_stats</span><span class="p">(</span><span class="n">l</span><span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_text output_subarea output_execute_result">
<pre>(10, 1, 5.333333333333333, 5.5, 3.559026084010437, 4.4478)</pre>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_markdown rendered_html output_subarea ">
<h4 id="confidence_interval" class="doc_header"><code>confidence_interval</code><a href="https://github.com/ncoop57/ds4se/tree/master/ds4se/desc/stats.py#L15" class="source_link" style="float:right">[source]</a></h4><blockquote><p><code>confidence_interval</code>(<strong><code>l</code></strong>, <strong><code>c</code></strong>=<em><code>0.95</code></em>)</p>
</blockquote>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="n">confidence_interval</span><span class="p">(</span><span class="n">l</span><span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_text output_subarea output_execute_result">
<pre>(1.598364516031722, 9.068302150634944)</pre>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_markdown rendered_html output_subarea ">
<h4 id="report_stats" class="doc_header"><code>report_stats</code><a href="https://github.com/ncoop57/ds4se/tree/master/ds4se/desc/stats.py#L27" class="source_link" style="float:right">[source]</a></h4><blockquote><p><code>report_stats</code>(<strong><code>l</code></strong>, <strong><code>c</code></strong>=<em><code>0.95</code></em>)</p>
</blockquote>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="n">report_stats</span><span class="p">(</span><span class="n">l</span><span class="p">)</span>
</pre></div>
</div>
</div>
</div>
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_subarea output_stream output_stdout output_text">
<pre>Max: 10
Min: 1
Average: 5.333333333333333
Median: 5.5
Standard Deviation: 3.559026084010437
Median Absolute Deviation: 4.4478
95% of entropies fall within 1.598364516031722 and 9.068302150634944
</pre>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="c1"># Create a histogram of the entropy distribution</span>
<span class="n">plt</span><span class="o">.</span><span class="n">hist</span><span class="p">(</span><span class="n">LIB_entropies</span><span class="p">,</span> <span class="n">bins</span> <span class="o">=</span> <span class="mi">20</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">ylabel</span><span class="p">(</span><span class="s2">"Num Files"</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">xlabel</span><span class="p">(</span><span class="s2">"Entropy"</span><span class="p">)</span>
<span class="n">plt</span><span class="o">.</span><span class="n">show</span><span class="p">()</span>
</pre></div>
</div>
</div>
</div>
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_png output_subarea ">
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAX4AAAEGCAYAAABiq/5QAAAABHNCSVQICAgIfAhkiAAAAAlwSFlz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"
>
</div>
</div>
</div>
</div>
</div>
<div class="cell border-box-sizing code_cell rendered">
<div class="input">
<div class="inner_cell">
<div class="input_area">
<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">from</span> <span class="nn">nbdev.export</span> <span class="k">import</span> <span class="n">notebook2script</span>
<span class="n">notebook2script</span><span class="p">()</span>
</pre></div>
</div>
</div>
</div>
<div class="output_wrapper">
<div class="output">
<div class="output_area">
<div class="output_subarea output_stream output_stdout output_text">
<pre>Converted 00_data.preprocessing.ipynb.
Converted 01_data.exploratory.information.ipynb.
Converted 01_data.exploratory.ipynb.
Converted 02_data.management.ipynb.
Converted 03_data.representation.ipynb.
Converted 04_templates.example.ipynb.
Converted 05_blog.example.ipynb.
Converted 06_benchmark.traceability.ipynb.
Converted 07_model.train.ipynb.
Converted 08_data.exploratory.information.ipynb.
Converted 09_data.exploratory.stats.ipynb.
Converted 10_data.exploratory.visualize.ipynb.
Converted index.ipynb.
</pre>
</div>
</div>
</div>
</div>
</div>
</div>
Tip!
Press p or to see the previous file or,
n or to see the next file