Tikz matrix node unwanted vskip in first column

Question

I have a strange vertical skip in a tikz matrix node within the first column I can not figure out how to eliminate:
MWE
documentclass{article}
usepackage{tikz}
usetikzlibrary{matrix}
begin{document}

begin{tikzpicture}[xshift=1.75cm,yshift=3pt,
table/.style={
    matrix of nodes, row sep=-pgflinewidth, column sep=-pgflinewidth,
    nodes={rectangle,align=left,draw=black,font=scriptsize, 
        minimum height=1.5em,
        text depth=0.5ex,
        text height=2ex},
    nodes in empty cells,
    column 1/.style={text width=0.46textwidth},
    column 2/.style={text width=0.05textwidth},
    column 3/.style={text width=0.05textwidth},
    column 4/.style={text width=0.30textwidth},
    column 5/.style={text width=0.05textwidth},
    column 6/.style={text width=0.05textwidth}
    }]
node[matrix,table,anchor=north west] (first) at (0.5,4)
{
    Endogenes Konstrukt & $ R^2 $ & $ Q^2 $ & Exogene(s) Konstrukt(e) & $f^2$ & $VIF$  
    
    (KB) & 0,34 &  0,30 & (GA) & 0,53  & -  
};
end{tikzpicture}
end{document}

Any help is highly appreciated!

SebGlav · Accepted Answer

Just avoid CR between lines in your matrix. Or at least, use % for it not to be taken care.
documentclass{article}
usepackage{tikz}
usetikzlibrary{matrix}
begin{document}

begin{tikzpicture}[xshift=1.75cm,yshift=3pt,
table/.style={
    matrix of nodes, row sep=-pgflinewidth, column sep=-pgflinewidth,
    nodes={rectangle,align=left,draw=black,font=scriptsize, 
        minimum height=1.5em,
        text depth=0.5ex,
        text height=2ex},
    nodes in empty cells,
    column 1/.style={text width=0.46textwidth},
    column 2/.style={text width=0.05textwidth},
    column 3/.style={text width=0.05textwidth},
    column 4/.style={text width=0.30textwidth},
    column 5/.style={text width=0.05textwidth},
    column 6/.style={text width=0.05textwidth}
    }]
node[matrix,table,anchor=north west] (first) at (0.5,4)
{
    Endogenes Konstrukt & $ R^2 $ & $ Q^2 $ & Exogene(s) Konstrukt(e) & $f^2$ & $VIF$  
   (KB) & 0,34 &  0,30 & (GA) & 0,53  & -  
};
end{tikzpicture}
end{document}

Zarko · Answer

I would modified your MWE as follows:
documentclass{article}
usepackage{tikz}
usetikzlibrary{matrix}

%---------------- show page layout. don't use in a real document!
usepackage{showframe}
renewcommandShowFrameLinethickness{0.15pt}
renewcommand*ShowFrameColor{color{red}}
%---------------------------------------------------------------%

begin{document}

noindentbegin{tikzpicture}[
table/.style={
    matrix of nodes, 
    nodes={minimum height=1.5em, text depth=0.5ex, text width=0.05textwidth,
           inner xsep=0.005textwidth, outer sep=0pt, anchor=center,
           draw, font=scriptsize, align=left},
    nodes in empty cells,
    inner sep=0pt, outer sep=0pt,
    column sep=-pgflinewidth,
    row sep=-pgflinewidth, 
    column 1/.style={nodes={text width=0.44textwidth}},
    column 4/.style={nodes={text width=0.30textwidth}},
    }]
matrix[table] (first)
{
Endogenes Konstrukt & $R^2$ & $Q^2$ & Exogene(s) Konstrukt(e)   & $f^2$ & $VIF$ 
(KB)                & 0,34  &  0,30 & (GA)                      & 0,53  & --    
};
end{tikzpicture}
end{document}

Observe differences in:

nodes style, which contain also width of narrower columns
defined matrix inner and outer separation (set to zero)
column styles (defined are only two)
removed are all shifts and nodes positions settings (which  haven't any influence on matrix position)

Red lines in above image are added that matrix position in page is simpler to see.

Tikz matrix node unwanted vskip in first column

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