2018-05-15-DOD-Kiel/T1.1 - Visualizing Data.ipynb

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    "# T1.1: Visualizing Data\n",
    "\n",
    "* First step in all data anaytics!\n",
    "* The human eye is well trained in capturing essential features\n",
    "* Descriptive statistics are largely concerned with qunatifying intuitive concepts"
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    "## Rugplots\n",
    "\n",
    "- simplest possible plot\n",
    "- one-dimensional data\n",
    "- ignores ordering\n",
    "- use jitter to show multiplicities\n",
    "\n",
    "<figure>\n",
    "<img src=\"img/example_rugplot.png\">\n",
    "<figcaption>Example Rugplot</figcaption>\n",
    "</figure>"
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    "## Histograms\n",
    "\n",
    "- one-dimensional data only\n",
    "- ignores ordering\n",
    "- use area to compare ratios of data\n",
    "- easier to read than rugplots\n",
    "- many choices involved\n",
    "\n",
    "<figure>\n",
    "<img src=\"img/example_histogram.png\">\n",
    "<figcaption>Example Histogram</figcaption>\n",
    "</figure>\n",
    "\n",
    "We will talk more about histograms in the next episode."
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    "## Scatterplots\n",
    "\n",
    "- two dimensional data $x_i,y_i$.\n",
    "- ignores ordering\n",
    "- two-dimensional variant of rugplot\n",
    "- show dependency between the two axes\n",
    "\n",
    "<figure>\n",
    "<img src=\"img/example_scatterplot_1.png\" width=\"45%\" style=\"float:left\">\n",
    "<img src=\"img/example_scatterplot_2.png\" width=\"45%\">\n",
    "<figcaption>Example Scatterplot</figcaption>\n",
    "</figure>"
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    "## Line-Plots\n",
    "\n",
    "- special case of scatter plot\n",
    "- interpolation lines add the illusion of continuity\n",
    "- widely used in parctice\n",
    "\n",
    "<figure>\n",
    "<img src=\"img/example_lineplot.png\">\n",
    "<figcaption>Example Line Plot\n",
    "</figcaption>\n",
    "</figure>"
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    "# Relations between basic plot types\n",
    "\n",
    "* Lineplots are a special case of scatterplots\n",
    "* Scatterplot has marginal rugplots\n",
    "* Lineplot has marginal y-rugplot\n",
    "* Histograms show the same information as rugplots"
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