Ad argvmentvm transi
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Tabvlae complexae et longae

Svmmarivm

Haec lectio tabvlam legibilem lectionis prioris ad eos casvs extendit qvos cancelli simplices non solvvnt. Docet cellas in latitvdinem per \multicolumn conivngere, vt capita svb regvla partiali congregentvr et vt vnivs cellae alignatio mvtetvr, et dedvcit qvo latitvdo svperflva capitis congregati abeat; docet cellas in altitvdinem per \multirow conivngere et ivdicare qvando id vitari praestet; tres modos comparat qvibvs tabvlae latitvdo versvs datvr (tabularx cvm colvmna X, tabular* cvm \extracolsep, et amplificatio per \resizebox, qvae dissvadetvr); tabvlas plvrivm paginarvm per longtable componit, cvm capite repetito et decvrsibvs qvos reqvirvnt; conversionem paginarvm pro tabvlis latissimis proponit; tabvlas ex plica datorvm per csvsimple et pgfplotstable gignit, plica per filecontents creata; tabularray vt alternativam recentem ostendit; et in erroribvs solitis desinit, in actis veris lectis.

Proposita discendi

  1. Capita congregata per \multicolumn et \cmidrule constrvere, cellas cvivsqve ordinis nvmerare et praedicere qvid fiat cvm nvmervs non congrvit.
  2. Inter \multirow et cellam vacvam traditionis booktabs eligere, electionem ex lectione ivstificando.
  3. Tabvlam ad latitvdinem versvs per tabularx avt per tabular* accommodare, et explicare cvr per \resizebox non amplificetvr.
  4. Per longtable tabvlam plvrivm paginarvm cvm capite et pede propriis componere, monita eivs interpretari et scire cvr intra flvitans esse non possit.
  5. Tabvlam ex plica datorvm gignere et explicare qvid lvcremvr cvm data vnam tantvm originem habent.

Cellae qvae plvres colvmnas complectvntvr

Mandatvm \multicolumn{n}{alignatio}{textus} locvm n cellarvm contigvarvm ordinis occvpat easqve vna svbstitvit, cvm alignatione in secvndo argvmento indicata, qvae vt in praeambvlo tabvlae scribitvr (l, c, r, p{…}, atqve etiam @{}). Ex qvo seqvitvr regvla nvmerandi qvam avctor in qvoqve ordine probare debet: svmma cellarvm simplicivm et latitvdinvm in qvoqve \multicolumn declaratarvm nvmervm colvmnarvm praeambvli excedere non debet.

Vnivs cellae alignationem mvtare

Vsvs modestissimvs \multicolumn vnam tantvm colvmnam complectitvr: \multicolumn{1}{c}{…} nihil conivngit, sed illi cellae alignationem a colvmna sva diversam imponit. Hoc modo capvt colvmnae nvmerorvm ad dextram alignatorvm centratvr, avt titvlvs ordinis svmmae, qvi ivxta nvmervm svvm stare debet, ad dextram alignatvr.

ExemplvmRatio impensarvm incepti
Codex LaTeX
\documentclass{article}\usepackage{fontspec}\usepackage[latin]{babel}\usepackage{booktabs}\begin{document}\begin{tabular}{llr}\topruleCapvt      & Descriptio               & \multicolumn{1}{c}{Svmma} \\\midruleItinera    & Dvo aditvs ad tabvlarivm & 1\,200 \\Materia    & Charta et disci externi  &    300 \\Ministeria & Digitalizatio fondorvm   &    850 \\\midrule\multicolumn{2}{r}{Totvm} & 2\,350 \\\bottomrule\end{tabular}\end{document}
Exitvs
Exitvs

Capvt «Svmma» svper colvmnam centratvr qvae ad dextram alignata manet, et titvlvs «Totvm», qvi dvas primas colvmnas complectitvr, ad dextram alignatvr, ivxta nvmervm svvm.

Capita congregata

Cvm plvres colvmnae categoriam commvnem habent, tabvla capite dvorvm gradvvm proficit: svpra, nomen gregis, qvod colvmnas eivs complectitvr; infra, nomen cvivsqve colvmnae. Inter vtrvmqve gradvm booktabs regvlam partialem \cmidrule{2-3} praebet, qvae solas colvmnas 2 ad 3 svbdvcit; cvm optionibvs (lr), \cmidrule(lr){2-3}, regvla pavlvm a sinistra et a dextra breviatvr, ita vt dvae regvlae contigvae se non tangant et ocvlvs dvos greges videat.

ExemplvmEventvs stvdii per greges
Codex LaTeX
\documentclass{article}\usepackage{fontspec}\usepackage[latin]{babel}\usepackage{booktabs}\begin{document}\begin{tabular}{lrrrr}\toprule& \multicolumn{2}{c}{Grex comparationis}& \multicolumn{2}{c}{Grex experimenti} \\\cmidrule(lr){2-3} \cmidrule(lr){4-5}Mensvra & Media & Dev. & Media & Dev. \\\midruleInitio & 52,1 & 8,3 & 51,7 & 7,9 \\Fine   & 54,0 & 8,1 & 61,2 & 7,4 \\\bottomrule\end{tabular}\end{document}
Exitvs
Exitvs

Primvs ordo cellam vacvam habet (signvm & initiale) et dvas cellas dvarvm colvmnarvm: vnvm et dvo et dvo, qvinqve, vt praeambvlvm. Animadvertendvm est ambas colvmnas deviationis latiores esse qvam nvmeri earvm postvlent.

Qvo latitvdo svperflva abeat

Latitvdo svperflva exempli prioris non est fortvita. Si textvs \multicolumn latior est qvam svmma colvmnarvm qvas complectitvr, tabvla dilatari debet, et machina totvm excessvm vltimae earvm colvmnarvm dat; ceterae latitvdinem natvralem servant. «Grex experimenti» latior est qvam «Media» et «Dev.» simvl, et discrimen secvnda accipit. Cvm capvt mvlto longivs est qvam data sva, effectvs iam non est modestvs.

ExemplvmCapvt nimis longvm
Codex LaTeX
\documentclass{article}\usepackage{fontspec}\usepackage[latin]{babel}\usepackage{booktabs}\begin{document}\begin{tabular}{lrr}\toprule& \multicolumn{2}{c}{Grex experimenti post interventionem} \\\cmidrule(lr){2-3}Mensvra & Media & Dev. \\\midruleInitio & 51,7 & 7,9 \\Fine   & 61,2 & 7,4 \\\bottomrule\end{tabular}\end{document}
Exitvs
Exitvs

Nvmervs mediae procvl a nvmero deviationis svae stat, spatio vacvo separatvs qvod nihil significat. Correctio non typographica est, sed scribendi: capvt breve («Experimentvm») et explicatio in inscriptione tabvlae avt in textv.