Wie editiere ich pgfplotstable

\documentclass{article}
\usepackage{luacode}
\usepackage{amsmath}
\usepackage{diagbox}
\usepackage{xcolor}
\usepackage{colortbl}

\begin{luacode*}
function factorial(n)
    if (n == 0) then
        return 1
    else
        return n * factorial(n - 1)
    end
end

function choose(n,k)
   return factorial(n)/(factorial(k)*factorial(n-k))
end

function cis(p,n,k)
   local q = 1-p
   local S = 0
   for v=0,k do
      S = S + choose(n,v) * p^v * q^(n-v)
   end
   return S
end

function make_table()
   for n=5,10,5 do
      tex.sprint("\\cline{2-8}" .. n)
      for k=0,n do
         tex.sprint("&" .. k)
         for p=0.1,0.5,0.1 do
            local cell = cis(p,n,k)
            tex.sprint("&" .. string.format("%.4f",cell))
         end
         tex.sprint("&" .. n-k .. "\\\\")
      end
   end
end
\end{luacode*}

\begin{document}

\newcommand\emptycell[1]{\multicolumn{1}{#1}{\cellcolor{white}}}

\begin{tabular}{c|>{\columncolor{pink}}c|ccccc|>{\columncolor{lightgray}}c|}
  \cline{2-7}
  \rowcolor{pink} \emptycell{c|} &
  \multicolumn{6}{c|}{%
    $\displaystyle\sum_{v=0}^k \binom{n}{v} p^v q^{n-v} \;,\quad q = 1-p$%
  } & \emptycell{c} \\
  \rowcolor{pink}
  \cellcolor{white} n & \diagbox{$k$}{$p$} & 0.1 & 0.2 & 0.3 & 0.4 & 0.5 & \emptycell{c} \\
  \directlua{make_table()}
  \cline{2-8}
  \emptycell{c} & \emptycell{c|} & 0.9 & 0.8 & 0.7 & 0.6 & 0.5 & \diagbox{$p$}{$k$} \\
  \rowcolor{lightgray} \emptycell{c} & \emptycell{c|} &
  \multicolumn{6}{c|}{%
    $\displaystyle\sum_{v=k}^n \binom{n}{v} p^v q^{n-v} \;,\quad q = 1-p$%
  } \\
  \cline{3-8}
\end{tabular}

\end{document}

\documentclass[border=2pt, varwidth]{standalone}
%\documentclass[]{article}
%\usepackage{pgfplots}
\usepackage{pgfplotstable}
\usepackage{amsmath, amssymb, amsfonts}

\usepackage{filecontents}

\begin{document}
\begin{filecontents}{n5.txt}
n   0.1     0.2     0.25    0.3     0.4     0.5
0   0.5905  0.3277  0.2373  0.1681  0.0778  0.0313
1   0.9185  0.7373  0.6328  0.5282  0.3370  0.1875
2   0.9914  0.9421  0.8965  0.8369  0.6826  0.5000
3   0.9995  0.9933  0.9844  0.9692  0.9130  0.8125
4   1.0000  0.9997  0.9990  0.9976  0.9898  0.9688
\end{filecontents}

\pgfplotstabletypeset[header=has colnames,
  columns/n/.style={
    int detect,
    column name={}
  },
  typeset cell/.code={
    \def\cmpta{#1}\def\cmptb{\pgfutilensuremath{1.0000}}%
    \ifnum\pgfplotstablecol=\pgfplotstablecols
      \ifx\cmpta\cmptb
        \pgfkeyssetvalue{/pgfplots/table/@cell content}{ \\}%
      \else
        \pgfkeyssetvalue{/pgfplots/table/@cell content}{#1\\}%
      \fi
    \else
      \ifx\cmpta\cmptb
        \pgfkeyssetvalue{/pgfplots/table/@cell content}{ &}%
      \else
        \pgfkeyssetvalue{/pgfplots/table/@cell content}{#1&}%
      \fi
    \fi
  },
  fixed zerofill,precision=4
]{n5.txt}
\end{document}