diff --git a/README.md b/README.md index d496f90..9492ccd 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,6 @@ # Lectures on Quantitative Methods for ACJ Students -### [Descriptive Statistics](../master/descriptive-statistics.org) -### [Introduction to Statistical Inference](../master/statistical-inference.org) +## [Introduction](../master/index.org) +## [Descriptive Statistics](../master/descriptive-statistics.org) +## [Introduction to Statistical Inference](../master/statistical-inference.org) diff --git a/descriptive-statistics.org b/descriptive-statistics.org index 5a29526..71cdca0 100644 --- a/descriptive-statistics.org +++ b/descriptive-statistics.org @@ -1,4 +1,4 @@ -#+TITLE: Quantitative Methods +#+TITLE: Descriptive Statistics #+PROPERTY: header-args:R :session acj :eval never-export #+STARTUP: hideall inlineimages hideblocks #+SETUPFILE: https://fniessen.github.io/org-html-themes/setup/theme-readtheorg.setup @@ -6,23 +6,8 @@ * Title slide :slide: #+BEGIN_SRC emacs-lisp-slide -(org-show-animate '("Quantitative Methods, Part-II" "Descriptive Statistics" "Vikas Rawal" "Prachi Bansal" "" "" "")) +(org-show-animate '("Quantitative Methods" "Descriptive Statistics" "Vikas Rawal" "Prachi Bansal" "" "" "")) #+END_SRC -* Title slide -#+BEGIN_SRC emacs-lisp-slide -(org-show-animate '("Why do financial journalists need to know quantitative methods?" "" "" "")) -#+END_SRC - -* What do we aim to achieve in this course? :slide: -*** Make friends with numbers -*** Learn how to read numbers, how to present them, and how to write about them -*** Learn how to use computers to work with numbers -* Two Types of Statistics :slide: -** Descriptive Statistics -*** Use summaries of data for the entire population to describe a population -*** Use summaries of sample data to describe a sample -** Inferential Statistics -*** Use sample data to describe a population * Descriptive Statistics :slide: + Frequency @@ -212,70 +197,6 @@ $cov=\frac{standard.deviation}{mean}$ | M | 89680952381 | 299467.8 | 1.74 | | F | 54500000 | 7382.4 | 0.16 | - -* Graphical Displays of Quantitative Information: Common Pitfalls - -** Common uses of statistical graphics :slide: -+ To show trends over time -+ To show mid-point variations across categories -+ To show composition -+ (less commonly, though more usefully) to show/analyse dispersion - -** Mis-representation :slide: - -#+CAPTION: "and sometimes the fact that numbers have a magnitude as well as an order is simply forgotten" -[[file:graphics/tufte-insanity.png]] - -** Mis-representation :slide: - -#+CAPTION: Another example borrowed from Tufte -[[file:graphics/tufte-fuel.png]] - -** Mis-representation :slide: - -#+CAPTION: Tufte's graph on fuel economy of cars -#+attr_html: :width 400px -[[file:graphics/tufte-fuel2.png]] - -** Mis-representation :slide: - -#+CAPTION: Nobel prizes awarded in science (National Science Foundation, 1974) -#+attr_html: :width 300px -[[file:graphics/nobel-wrong.png]] - -** Mis-representation :slide: - -#+CAPTION: Nobel prizes awarded in science (corrected by Tufte) -#+attr_html: :width 300px -[[file:graphics/nobel-right.png]] - -** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: - -[[file:graphics/piketty1_o.png]] - -** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: - -[[file:graphics/piketty1_c.png]] - -** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: - -[[file:graphics/piketty2_o.png]] - -** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: - -[[file:graphics/piketty2_c.png]] - -** The problem multiplied with the coming in of spreadsheets :slide: - -#+ATTR_html: :width 300px -[[file:graphics/chart1.png]] - -#+ATTR_html: :width 300px -[[file:graphics/chart2.png]] - -#+ATTR_html: :width 300px -[[file:graphics/chart3.png]] - * Graphical Displays of Quantitative Information: Dispersion :slide: ** Histogram :slide: @@ -386,7 +307,68 @@ $cov=\frac{standard.deviation}{mean}$ +* Graphical Displays of Quantitative Information: Common Pitfalls + +** Common uses of statistical graphics :slide: ++ To show trends over time ++ To show mid-point variations across categories ++ To show composition ++ (less commonly, though more usefully) to show/analyse dispersion + +** Mis-representation :slide: + +#+CAPTION: "and sometimes the fact that numbers have a magnitude as well as an order is simply forgotten" +[[file:graphics/tufte-insanity.png]] + +** Mis-representation :slide: + +#+CAPTION: Another example borrowed from Tufte +[[file:graphics/tufte-fuel.png]] + +** Mis-representation :slide: + +#+CAPTION: Tufte's graph on fuel economy of cars +#+attr_html: :width 400px +[[file:graphics/tufte-fuel2.png]] + +** Mis-representation :slide: + +#+CAPTION: Nobel prizes awarded in science (National Science Foundation, 1974) +#+attr_html: :width 300px +[[file:graphics/nobel-wrong.png]] + +** Mis-representation :slide: + +#+CAPTION: Nobel prizes awarded in science (corrected by Tufte) +#+attr_html: :width 300px +[[file:graphics/nobel-right.png]] + +** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: + +[[file:graphics/piketty1_o.png]] + +** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: + +[[file:graphics/piketty1_c.png]] + +** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: + +[[file:graphics/piketty2_o.png]] + +** Mis-representation: illustrations from Thomas Piketty's work (source Noah Wright) :slide: + +[[file:graphics/piketty2_c.png]] + +** The problem multiplied with the coming in of spreadsheets :slide: + +#+ATTR_html: :width 300px +[[file:graphics/chart1.png]] + +#+ATTR_html: :width 300px +[[file:graphics/chart2.png]] +#+ATTR_html: :width 300px +[[file:graphics/chart3.png]] * Paul Krugman on Fiscal Austerity diff --git a/index.org b/index.org new file mode 100644 index 0000000..9bee447 --- /dev/null +++ b/index.org @@ -0,0 +1,25 @@ +#+TITLE: Quantitative Methods: Introduction +#+PROPERTY: header-args:R :session acj :eval never-export +#+STARTUP: hideall inlineimages hideblocks +#+HTML_HEAD: + +* Title slide :slide: +#+BEGIN_SRC emacs-lisp-slide +(org-show-animate '("Quantitative Methods" "Introduction" "Vikas Rawal" "Prachi Bansal" "" "" "")) +#+END_SRC + +* Title slide +#+BEGIN_SRC emacs-lisp-slide +(org-show-animate '("Why do financial journalists need to know quantitative methods?" "" "" "")) +#+END_SRC + +* What do we aim to achieve in this course? :slide: +*** Make friends with numbers +*** Learn how to read numbers, how to present them, and how to write about them +*** Learn how to use computers to work with numbers +* Two Types of Statistics :slide: +** Descriptive Statistics +*** Use summaries of data for the entire population to describe a population +*** Use summaries of sample data to describe a sample +** Inferential Statistics +*** Use sample data to describe a population diff --git a/statistical-inference.org b/statistical-inference.org index 7e892f1..0d9682b 100644 --- a/statistical-inference.org +++ b/statistical-inference.org @@ -1,4 +1,4 @@ -#+TITLE: Quantitative Methods +#+TITLE: Introduction to Statistical Inference #+PROPERTY: header-args:R :session acj :eval never-export #+STARTUP: hideall inlineimages hideblocks #+HTML_HEAD: @@ -13,7 +13,7 @@ ** Sampling Distributions :slide: # #+RESULTS: sampling2 -[[file:bsample2.png]] + #+NAME: sampling2 #+BEGIN_SRC R :results output graphics :exports results :file bsample2.png :width 2500 :height 1500 :res 300