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10 #+TITLE: Statistics |
21 #+TITLE: Statistics |
11 #+AUTHOR: FOSSEE |
22 #+AUTHOR: FOSSEE |
12 #+DATE: 2010-09-14 Tue |
23 #+DATE |
13 #+EMAIL: info@fossee.in |
24 #+EMAIL: info@fossee.in |
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25 |
15 # \author[FOSSEE] {FOSSEE} |
26 #+DESCRIPTION: |
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27 #+KEYWORDS: |
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28 #+LANGUAGE: en |
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31 |
17 # \institute[IIT Bombay] {Department of Aerospace Engineering\\IIT Bombay} |
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18 # \date{} |
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19 |
32 |
20 * Tutorial Plan |
33 * Outline |
21 ** Doing simple statistical operations in Python |
34 - Doing statistical operations in Python |
22 ** Using loadtxt to solve statistics problem |
35 - Summing set of numbers |
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36 - Finding there mean |
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37 - Finding there Median |
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38 - Finding there Standard Deviation |
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39 |
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40 * Data set |
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41 - A;015163;JOSEPH RAJ S;083;042;47;00;72;244;;; |
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42 |
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43 The following are the fields in any given line. |
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44 - Region Code which is 'A' |
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45 - Roll Number 015163 |
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46 - Name JOSEPH RAJ S |
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47 - Marks of 5 subjects: -- English 083 -- |
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48 Hindi 042 -- Maths 47 -- |
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49 Science 35 -- Social 72 |
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50 - Total marks 244 |
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51 |
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52 * Question |
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53 - In the given file football.txt at path /home/fossee/football.txt , |
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54 one column is player name,second is goals at home |
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55 and third goals away. |
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56 - Find the total goals for each player |
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57 - Mean home and away goals |
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58 - Standard deviation of home and away goals |
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59 |
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60 * Solution |
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61 #+begin_src python |
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62 L=loadtxt('/home/amit/football.txt',usecols=(1,2), |
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63 delimiter=',') |
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64 sum(L,1) |
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65 mean(L,0) |
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66 std(L,0) |
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67 #+end_src python |
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68 |
24 * Summary |
69 * Summary |
25 ** seq=[1,5,6,8,1,3,4,5] |
70 - sum |
26 ** sum(seq) |
71 - mean |
27 ** mean(seq) |
72 - median |
28 ** median(seq) |
73 - std |
29 ** std(seq) |
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30 |
74 |
31 * Summary |
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32 |
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33 ** loadtxt |
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