我对 pgfplotstable 有疑问。（对于我的箱线图，我需要一维表），所以我使用\pgfplotstablevertcat和
\pgfplotstablenew[
create on use/new/.style={create col/expr={\j }}, columns={new}] {\pgfplotsretval } \tableinter
但是如果\pgfplotsretval=1或\pgfplotsretval=0，新表有2行！
我尝试：
\pgfplotstablenew[
create on use/new/.style={create col/expr={\j }}, columns={new}] {\pgfplotsretval } \tableinter
或者
\pgfplotstablenew[
create on use/new/.style={create col/expr={\j }}, columns={new}] {0} \tableinter
它是一样的：两排……
\documentclass{article}
\usepackage{multicol}
\usepackage{pgfplotstable}
\begin{document}
My pgfplots version is: \pgfplotsversion
\pgfplotstableset{every head row/.style={output empty row}}
\pgfplotstableread{
1 3
2 1
3 6
4 10
5 6
6 2
7 1
8 0
}\datatable
\begin{multicols}{2}
\pgfplotstabletypeset{\datatable}
\pgfplotsforeachungrouped \i in {0,...,7}{
\pgfmathtruncatemacro{\j}{mod(\i+1,10)}
\pgfplotstablegetelem{\i}{[index]1}\of\datatable
% \ifnum\pgfplotsretval =0 \relax
% \else
\pgfplotstablenew[
create on use/new/.style={create col/expr={\j }}, columns={new}] {\pgfplotsretval } \tableinter
% \fi
% \pgfplotstablevertcat{\names}{\essai}
\pgfplotstablevertcat{\table}{\tableinter}
}
\par
\pgfplotstabletypeset{\table}
\end{multicols}
\end{document}
有人能解释一下吗？
答案1
似乎无法创建少于两行（标题除外）的表格：
\documentclass{article}
\usepackage{pgfplotstable}
\pgfplotsset{compat=newest}% <- to avoid the pgfplots warning
\begin{document}
\pgfplotstablenew[
create on use/new/.style={create col/expr={\pgfplotstablerow+1}},
columns={new}
]
{0}% try with other numbers
\tableinter
The table has {\pgfplotstablegetrowsof{\tableinter}\pgfplotsretval} rows:
\pgfplotstabletypeset\tableinter
\end{document}
也许这是一个错误。
虽然使用 可以轻松避免您的问题\pgfplotsretval=0，但我只能建议一种解决方法\pgfplotsretval=1：将第二个条目替换为NaN。据我所知，带有条目的单元格NaN将被 忽略\addplot。
\documentclass{article}
\usepackage{pgfplotstable}
\pgfplotsset{compat=newest}% <- to avoid the pgfplots warning
\begin{document}
My pgfplots version is: \pgfplotsversion.
\pgfplotstableset{
every head row/.style={output empty row},
begin table/.add={}{[t]}%
}
\begin{center}
\pgfplotstableread{
1 3
2 1
3 6
4 10
5 6
6 2
7 1
8 0
}\datatable
\pgfplotstabletypeset{\datatable}
\qquad
\pgfplotsforeachungrouped \i in {0,...,7}{%
\pgfmathtruncatemacro{\j}{mod(\i+1,10)}%
\pgfplotstablegetelem{\i}{[index]1}\of\datatable
\ifnum\pgfplotsretval =0
\else
\pgfplotstablenew[
create on use/new/.style={create col/expr={\j}},
columns={new}
]{\pgfplotsretval}\tableinter
% if there should be only one row, replace the contents of the second by "nan"
\ifnum\pgfplotsretval=1
\pgfplotstablemodifyeachcolumnelement{new}\of\tableinter\as\cellcontent{\pgfmathsetmacro{\cellcontent}{(\pgfplotstablerow==1?NaN:\cellcontent)}}%
\fi
\pgfplotstablevertcat{\table}{\tableinter}%
\fi
}
\pgfplotstabletypeset{\table}
\end{center}
\end{document}
结果是
答案2
看起来还好！：
\documentclass[a4paper]{article}
\usepackage{pgf,tikz}
% % % % % % % % % stats
\usepackage{pgfplots} % Use tikzpicture for the diagrams
\pgfplotsset{compat=newest}
%\usepgfplotslibrary{statistics}% pgf-Libraries besser so laden
\usepackage{pgfplotstable}
\usetikzlibrary{pgfplots.statistics}
\usepackage{array}
% % % % % % % % set comma for french decimal separator
\pgfset{/pgf/number format/dec sep={,}}
\pgfkeys{/pgf/number format/.cd, set decimal separator={,},set thousands separator={\ }}
\begin{document}
My pgfplots version is: \pgfplotsversion.
\pgfplotstableset{
every head row/.style={output empty row},
begin table/.add={}{[t]}%
}
\begin{center}
\pgfplotstableread{
x effectif
1 3
2 1
3 5
4 8
5 5
6 2
7 2
8 1
}\datatable
\pgfplotstabletypeset{\datatable}
\qquad
\pgfplotsforeachungrouped \i in {0,...,7}{%
\pgfmathtruncatemacro{\j}{mod(\i+1,10)}%
\pgfplotstablegetelem{\i}{[index]1}\of\datatable
\ifnum\pgfplotsretval =0
\else
\pgfplotstablenew[
create on use/new/.style={create col/expr={\j}},
columns={new}
]{\pgfplotsretval}\tableinter
% if there should be only one row, replace the contents of the second by "nan"
\ifnum\pgfplotsretval=1
\pgfplotstablemodifyeachcolumnelement{new}\of\tableinter\as\cellcontent{\pgfmathsetmacro{\cellcontent}{(\pgfplotstablerow==1?NaN:\cellcontent)}}%
\fi
\pgfplotstablevertcat{\table}{\tableinter}%
\fi
}
\pgfplotstabletypeset{\table}
\par
\begin{tikzpicture}
\begin{axis}
[boxplot/draw direction=x, y=1.5cm,ymax=2,
boxplot/average=auto, boxplot/every average/.style={mark=},
% [y=1.5cm, ymax=2,
ytick={1,3,...,9}, xtick={0.5,1.5,2.5,3.5,4.5,5.5,6.5}, xticklabels={0.5, 1.5, 2.5,3.5,4.5,5.5,6.5},
someline/.style={ultra thick,red}
]
\addplot+[boxplot] table[y=new]\table coordinate (A) at (boxplot box cs: \boxplotvalue{average}, 0.5)
node at
(boxplot box cs: \boxplotvalue{lower whisker},1.25)
{\pgfmathprintnumber{\boxplotvalue{lower whisker}}}
node at
(boxplot box cs: \boxplotvalue{lower quartile},1.25)
{\pgfmathprintnumber{\boxplotvalue{lower quartile}}}
node at
(boxplot box cs: \boxplotvalue{upper quartile},1.25)
{\pgfmathprintnumber{\boxplotvalue{upper quartile}}}
node at
(boxplot box cs: \boxplotvalue{upper whisker},1)
{\pgfmathprintnumber{\boxplotvalue{upper whisker}}}
node[left] at
(boxplot box cs: \boxplotvalue{median},0.5)
{\pgfmathprintnumber{\boxplotvalue{median}}}
;
\end{axis}
\end{tikzpicture}
\end{center}
\end{document}
