F M Salter <fmsalter <at> blueyonder.co.uk> writes:
>
>
> I had a table, with no apparent problems, but with vertical
> separators. Publication requires a formal table!
> I have not found any way to set up a heading layout other than what
> is essentially the default.
> Setting up a table, adding an extra row in the heading, setting
> "formal"
> The order attempted produces different results.
> (a) setting width for a multirow heading turns centred
> heading into left justified and unchangeable!
> (b) after both rows of a column heading contain text and
> in-line maths, the bounding line cannot be removed.
> Any suggestions?
I wrangled something that looks plausible in PDF (looks horrible in the LyX
editor). I'm pasting everything between the body tags below. It has your
table on top, my version beneath it. WARNING: Examining this could be
hazardous to your mental health.
Paul
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="6" columns="4">
<features booktabs="true" tabularvalignment="middle">
<column alignment="center" valignment="top" width="0pt">
<column alignment="center" valignment="top" width="0pt">
<column alignment="center" valignment="top" width="0pt">
<column alignment="decimal" decimal_point="." valignment="top" width="0pt">
<row>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
base
\end_layout
\end_inset
</cell>
<cell multirow="3" alignment="center" valignment="middle" topline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $a$
\end_inset
\end_layout
\end_inset
</cell>
<cell multirow="3" alignment="center" valignment="middle" topline="true"
bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $\frac{a_{year}}{a_{1909}}$
\end_inset
\end_layout
\end_inset
</cell>
<cell multirow="3" alignment="decimal" valignment="middle" topline="true"
bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $m$
\end_inset
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
year
\end_layout
\end_inset
</cell>
<cell multirow="4" alignment="center" valignment="top" topline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\end_layout
\end_inset
</cell>
<cell multirow="4" alignment="center" valignment="top" topline="true"
bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\end_layout
\end_inset
</cell>
<cell multirow="4" alignment="decimal" valignment="top" topline="true"
bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1909
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $0.25$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $1.00$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\family roman
\series medium
\shape up
\size normal
\emph off
\bar no
\strikeout off
\uuline off
\uwave off
\noun off
\color none
\lang english
0.08
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1929
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $0.35$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $1.40$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\family roman
\series medium
\shape up
\size normal
\emph off
\bar no
\strikeout off
\uuline off
\uwave off
\noun off
\color none
\lang english
0.09
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1939
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $0.49$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" leftline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $1.96$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\family roman
\series medium
\shape up
\size normal
\emph off
\bar no
\strikeout off
\uuline off
\uwave off
\noun off
\color none
\lang english
0.085
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" topline="true" bottomline="true"
leftline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1949
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" bottomline="true"
leftline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $0.87$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="center" valignment="top" topline="true" bottomline="true"
leftline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Formula $3.48$
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" bottomline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\family roman
\series medium
\shape up
\size normal
\emph off
\bar no
\strikeout off
\uuline off
\uwave off
\noun off
\color none
\lang english
0.12
\end_layout
\end_inset
</cell>
</row>
</lyxtabular>
\end_inset
\end_layout
\begin_layout Standard
\begin_inset space ~
\end_inset
\end_layout
\begin_layout Standard
\begin_inset space ~
\end_inset
\end_layout
\begin_layout Standard
\begin_inset space ~
\end_inset
\end_layout
\begin_layout Standard
\begin_inset Tabular
<lyxtabular version="3" rows="5" columns="4">
<features booktabs="true" tabularvalignment="middle">
<column alignment="center" valignment="top" width="5ex">
<column alignment="decimal" decimal_point="." valignment="top">
<column alignment="decimal" decimal_point="." valignment="top">
<column alignment="decimal" decimal_point="." valignment="top">
<row>
<cell alignment="center" valignment="top" topline="true" bottomline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
base year
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" bottomline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Box Frameless
position "t"
hor_pos "c"
has_inner_box 1
inner_pos "c"
use_parbox 0
use_makebox 0
width "4ex"
special "none"
height "1in"
height_special "totalheight"
thickness "0.4pt"
separation "3pt"
shadowsize "4pt"
framecolor "black"
backgroundcolor "none"
status open
\begin_layout Plain Layout
\align center
\begin_inset Formula $a$
\end_inset
\end_layout
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" bottomline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Box Frameless
position "t"
hor_pos "c"
has_inner_box 1
inner_pos "c"
use_parbox 0
use_makebox 0
width "5ex"
special "none"
height "1in"
height_special "height"
thickness "0.4pt"
separation "3pt"
shadowsize "4pt"
framecolor "black"
backgroundcolor "none"
status open
\begin_layout Plain Layout
\align center
\begin_inset Formula $\frac{a_{year}}{a_{1909}}$
\end_inset
\end_layout
\end_inset
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" topline="true" bottomline="true"
usebox="none">
\begin_inset Text
\begin_layout Plain Layout
\begin_inset Box Frameless
position "t"
hor_pos "c"
has_inner_box 1
inner_pos "c"
use_parbox 0
use_makebox 0
width "3ex"
special "none"
height "1in"
height_special "totalheight"
thickness "0.4pt"
separation "3pt"
shadowsize "4pt"
framecolor "black"
backgroundcolor "none"
status open
\begin_layout Plain Layout
\align center
\begin_inset Formula $m$
\end_inset
\end_layout
\end_inset
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1909
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.25
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1.00
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.08
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1929
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.35
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1.40
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.09
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1939
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.49
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1.96
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.085
\end_layout
\end_inset
</cell>
</row>
<row>
<cell alignment="center" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
1949
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.87
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
3.48
\end_layout
\end_inset
</cell>
<cell alignment="decimal" valignment="top" bottomline="true" usebox="none">
\begin_inset Text
\begin_layout Plain Layout
0.12
\end_layout
\end_inset
</cell>
</row>
</lyxtabular>
\end_inset
\end_layout
