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@@ -401,11 +401,11 @@ then graph them with R.
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:CUSTOM_ID: spreadsheet
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:CUSTOM_ID: spreadsheet
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:END:
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:END:
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-** Example 1: data summaries using R
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+*** Example 1: data summaries using R
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As a simple example, we'll fill in a cell in an org-table with the
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As a simple example, we'll fill in a cell in an org-table with the
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average value of a few numbers. First, let's make some data. The
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average value of a few numbers. First, let's make some data. The
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-following source block creates an org table filled with random numbers
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-between 0 and 1.
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+following source block creates an org table filled with five random
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+numbers between 0 and 1.
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#+srcname: tbl-example-data()
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#+srcname: tbl-example-data()
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#+begin_src R
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#+begin_src R
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@@ -437,16 +437,13 @@ the table formula line.
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To recalculate the table formula, use =C-u C-c C-c= in the
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To recalculate the table formula, use =C-u C-c C-c= in the
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table. Notice that as things stand the calculated value doesn't
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table. Notice that as things stand the calculated value doesn't
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change, because the data (held in the table above named
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change, because the data (held in the table above named
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-"tbl-example-data") is static. However, if you delete that data table
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+"tbl-example-data") are static. However, if you delete that data table
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then the reference will be interpreted as a reference to the source
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then the reference will be interpreted as a reference to the source
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block responsible for generating the data; each time the table formula
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block responsible for generating the data; each time the table formula
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is recalculated the source block will be evaluated again, and
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is recalculated the source block will be evaluated again, and
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therefore the calculated average value will change.
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therefore the calculated average value will change.
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-** Example 2: Org-babel test suite
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-*NOTE*: Maybe in-addition-to/in-stead-of this example we should do a
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-more traditional "spreadsheet" example with R [Eric]
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-
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+*** Example 2: Org-babel test suite
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Not only can Org-babel pass entire tables of data to source code
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Not only can Org-babel pass entire tables of data to source code
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blocks (see [[arguments-to-source-code-blocks]]), Org-babel can also be
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blocks (see [[arguments-to-source-code-blocks]]), Org-babel can also be
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used to call source code blocks from *within* tables using the
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used to call source code blocks from *within* tables using the
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@@ -471,7 +468,7 @@ Here's a sample of our test suite.
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| R | basic-R | | 13 | 13 | pass |
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| R | basic-R | | 13 | 13 | pass |
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#+TBLFM: $5='(if (= (length $3) 1) (sbe $2 (n $3)) (sbe $2)) :: $6='(if (string= $4 $5) "pass" (format "expected %S but was %S" $4 $5))
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#+TBLFM: $5='(if (= (length $3) 1) (sbe $2 (n $3)) (sbe $2)) :: $6='(if (string= $4 $5) "pass" (format "expected %S but was %S" $4 $5))
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-*** code blocks for tests
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+**** code blocks for tests
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#+srcname: basic-elisp(n)
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#+srcname: basic-elisp(n)
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#+begin_src emacs-lisp
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#+begin_src emacs-lisp
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Dan Davison