编译此文件
\documentclass{article}
%\usepackage[math=fp]{datatool}
\usepackage[math=pgfmath]{datatool}
\DTLloaddb{scores}{sample-student-records.csv} % http://www.ctan.org/tex-archive/macros/latex/contrib/datatool/samples
\begin{document}
\DTLmeanforcolumn{scores}{Assignment 1}{\averagescore}%
\averagescore\%.
\end{document}
我明白了
...
! Missing number, treated as zero.
<to be read again>
p
l.11 ...olumn{scores}{Assignment 1}{\averagescore}
%
! Undefined control sequence.
<argument> ...@tmpcpz 0}\let \@dtl@chopzeroesnext
=\@dtl@gobbletonil "
l.11 ...olumn{scores}{Assignment 1}{\averagescore}
%
! Argument of \@dtl@gobbletonil has an extra }.
<inserted text>
\par
l.11 ...olumn{scores}{Assignment 1}{\averagescore}
%
Runaway argument?
...
但如果我使用该选项，math=fp一切都很好。
答案1
软件包 datatool 的 v2.12 版本解决了这个问题。