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@@ -194,18 +194,26 @@ plot(data)
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* Tables
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-** LaTeX Table export
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+** LaTeX Table Export
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*** booktabs
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-This block can be used to wrap a table in the latex =booktabs=
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-environment, it takes the following arguments -- all but the first two
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-are optional.
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+This source block can be used to wrap a table in the latex =booktabs=
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+environment. The source block adds a =toprule= and =bottomrule= (so
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+don't use =hline= at the top or bottom of the table). The =hline=
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+after the header is replaced with a =midrule=.
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+
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+Note that this function bypasses the Org-mode LaTeX exporter and calls
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+=orgtbl-to-generic= to create the output table. This means that the
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+entries in the table are not translated from Org-mode to LaTeX.
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+
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+It takes the following arguments -- all but the first two are
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+optional.
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| arg | description |
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|-------+--------------------------------------------|
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| table | a reference to the table |
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-| align | optional alignment string |
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+| align | alignment string |
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| env | optional environment, default to "tabular" |
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| width | optional width specification string |
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@@ -241,7 +249,7 @@ are optional.
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(to-tab table))))))
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#+end_src
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-*** Longtable
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+*** longtable
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This block can be used to wrap a table in the latex =longtable=
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environment, it takes the following arguments -- all but the first two
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@@ -288,6 +296,60 @@ are optional.
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(list :lend " \\\\" :sep " & " :hline hline)))))
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#+end_src
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+
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+*** booktabs-notes
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+
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+This source block builds on [[booktabs]]. It accepts two additional
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+arguments, both of which are optional.
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+
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+#+tblname: arguments
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+| arg | description |
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+|--------+------------------------------------------------------|
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+| notes | an org-mode table with footnotes |
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+| lspace | if non-nil, insert =addlinespace= after =bottomrule= |
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+
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+An example footnote to the =arguments= table specifies the column
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+span. Note the use of LaTeX, rather than Org-mode, markup.
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+
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+#+tblname: arguments-notes
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+| \multicolumn{2}{l}{This is a footnote to the \emph{arguments} table.} |
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+
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+#+srcname: booktabs-notes
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+#+begin_src emacs-lisp :var table='((:head) hline (:body)) :var notes='() :var align='() :var env="tabular" :var width='() :var lspace='() :noweb yes :results latex
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+ (flet ((to-tab (tab)
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+ (orgtbl-to-generic
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+ (mapcar (lambda (lis)
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+ (if (listp lis)
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+ (mapcar (lambda (el)
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+ (if (stringp el)
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+ el
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+ (format "%S" el))) lis)
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+ lis)) tab)
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+ (list :lend " \\\\" :sep " & " :hline "\\hline"))))
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+ (org-fill-template
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+ "
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+ \\begin{%env}%width%align
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+ \\toprule
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+ %table
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+ \\bottomrule%spacer
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+ %notes
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+ \\end{%env}\n"
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+ (list
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+ (cons "env" (or env "table"))
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+ (cons "width" (if width (format "{%s}" width) ""))
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+ (cons "align" (if align (format "{%s}" align) ""))
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+ (cons "spacer" (if lspace "\\addlinespace" ""))
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+ (cons "table"
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+ ;; only use \midrule if it looks like there are column headers
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+ (if (equal 'hline (second table))
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+ (concat (to-tab (list (first table)))
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+ "\n\\midrule\n"
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+ (to-tab (cddr table)))
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+ (to-tab table)))
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+ (cons "notes" (if notes (to-tab notes) ""))
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+ )))
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+#+end_src
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+
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** Elegant lisp for transposing a matrix.
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#+tblname: transpose-example
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Tom Dye