Graphics, Figures & Tables ⇒ bchart | Issue with Caption for a Chart

[vivs]

I keep getting an error "\caption outside float" and have been fumbling around with it for quite a while. I tried the solution from here but it still didn't solve my problem. Here is a snippet of my code:

Code: Select all

\documentclass[12pt,a4paper]{article}
\usepackage{bchart}

\begin{document}
  \begin{bchart}[step=50,max=150]
    \bcbar[value=OLS]{134.07}
    \bcbar[value=LASSO]{104.74}
    \bclabel{IQ}
    \bcbar[value=LASSO-OLS]{97.83}
    \bcbar[value=Relaxed LASSO]{94.48}
    \caption{\textbf{Project I Comparison Plot of Cross-Validated Prediction Errors.} Graphical comparison of OLS, LASSO, OLS-post-LASSO, and relaxed LASSO cross-validated prediction errors for Project I. Note: CGIS results are not presented (all prediction errors \textless0.5).}
    \label{tab:p1lassoext}
  \end{bchart}
\end{document}

Is there something blatantly obvious and wrong in my code? Or does it have to do with the package bchart?

[localghost]

The bchart environment from the bchart package is not a floating object like {figure} or {table}. You could either put it into a usual {figure} environment (since it is a figure) or create a new floating object called e.g. chart by the newfloat package (from the caption bundle). The latter approach is shown in the below code.

Code: Select all

\documentclass[12pt,a4paper]{article}
\usepackage[T1]{fontenc}

\usepackage{newfloat}
\DeclareFloatingEnvironment[
  fileext=loc
]{chart}

\usepackage{caption}
\captionsetup{
  tableposition=top
}
\usepackage{bchart}

\begin{document}
  \listofcharts

  \begin{chart}[!ht]
    \centering
    \begin{bchart}[step=50,max=150]
      \bcbar[value=OLS]{134.07}
      \bcbar[value=LASSO]{104.74}
      \bclabel{IQ}
      \bcbar[value=LASSO-OLS]{97.83}
      \bcbar[value=Relaxed LASSO]{94.48}
    \end{bchart}
    \caption[Project I Comparison Plot of Cross-Validated Prediction Errors]{\textbf{Project I Comparison Plot of Cross-Validated Prediction Errors.} Graphical comparison of OLS, LASSO, OLS-post-LASSO, and relaxed LASSO cross-validated prediction errors for Project I. Note: CGIS results are not presented (all prediction errors \textless 0.5).}
    \label{tab:p1lassoext}
  \end{chart}
\end{document}

This approach has several advantages.

• Those charts get independent numbering from all other floating objects.
• They also get an own list like the LoF or LoT (see code above).
• The appearance of their captions could be customized individually by the caption package.

Further reading:

• The newfloat manual
• The caption manual

Best regards and welcome to the board
Thorsten

[vivs]

Thanks for the quick response! It worked very nicely. Unfortunately I need to have it be in sequential order from my previous figures. Is there a way around that with the newfloat package?

[localghost]

[…] Unfortunately I need to have it be in sequential order from my previous figures. Is there a way around that with the newfloat package?

Then simply think one step further and replace chart with the default {figure} environment in my example. I already mentioned that in my last reply. You can drop all the code related to newfloat in this case.