451 \item Functions for statistical computations - mean, median, standard deviation |
451 \item Functions for statistical computations - mean, median, standard deviation |
452 \end{itemize} |
452 \end{itemize} |
453 \end{frame} |
453 \end{frame} |
454 |
454 |
455 \end{document} |
455 \end{document} |
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456 |
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457 %% Questions for Quiz %% |
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458 %% ------------------ %% |
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459 |
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460 \begin{frame} |
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461 \frametitle{\incqno } |
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462 A sample line from a Comma Separated Values (CSV) file:\\ |
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463 \vspace*{0.2in} |
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464 \emph{Rossum, Guido, 42, 56, 34, 54}\\ |
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465 \vspace*{0.2in} |
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466 What code would you use to separate the line into fields? |
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467 \end{frame} |
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468 |
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469 \begin{frame}[fragile] |
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470 \frametitle{\incqno } |
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471 \begin{lstlisting} |
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472 In []: a = [1, 2, 5, 9] |
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473 \end{lstlisting} |
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474 How do you find the length of this list? |
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475 \end{frame} |
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476 |
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477 \begin{frame}[fragile] |
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478 \frametitle{\incqno } |
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479 \begin{lstlisting} |
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480 In [1]: d = { |
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481 'a': 1, |
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482 'b': 2 |
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483 } |
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484 In [2]: print d['c'] |
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485 \end{lstlisting} |
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486 What is the output? |
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487 \end{frame} |
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488 |
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489 \begin{frame}[fragile] |
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490 \frametitle{\incqno } |
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491 \begin{lstlisting} |
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492 In []: sc = {'A': 10, 'B': 20, |
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493 'C': 70} |
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494 \end{lstlisting} |
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495 Given the above dictionary, what command will you give to plot a |
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496 pie-chart? |
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497 \end{frame} |
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498 |
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499 \begin{frame}[fragile] |
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500 \frametitle{\incqno } |
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501 \begin{lstlisting} |
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502 In []: marks = [10, 20, 30, 50, 55, |
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503 75, 83] |
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504 \end{lstlisting} |
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505 Given the above marks, how will you calculate the \alert{mean} and |
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506 \alert{standard deviation}? |
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507 \end{frame} |
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508 |
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509 \begin{frame}[fragile] |
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510 \frametitle{\incqno } |
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511 \begin{lstlisting} |
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512 In []: marks = [10, 20, 30, 50, 55, |
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513 75, 83] |
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514 \end{lstlisting} |
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515 How will you convert the list \texttt{marks} to an \alert{array}? |
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516 \end{frame} |
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517 |
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518 %% \begin{frame}[fragile] |
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519 %% \frametitle{\incqno } |
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520 %% \begin{lstlisting} |
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521 %% for x in "abcd": |
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522 %% print x |
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523 |
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524 %% a |
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525 %% b |
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526 %% c |
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527 %% d |
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528 %% \end{lstlisting} |
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529 %% How do you get the following output? |
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530 %% \begin{lstlisting} |
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531 %% 0 a |
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532 %% 1 b |
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533 %% 2 c |
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534 %% 3 d |
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535 %% \end{lstlisting} |
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536 %% \end{frame} |
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537 |