metaplot                package:rmeta                R Documentation

_M_e_t_a-_a_n_a_l_y_s_i_s _p_l_o_t (_f_o_r_e_s_t _p_l_o_t)

_D_e_s_c_r_i_p_t_i_o_n:

     Plot confidence intervals with boxes indicating the sample
     size/precision and optionally a diamond indicating a summary
     confidence interval. This function is usually called by 'plot'
     methods for meta-analysis objects.

_U_s_a_g_e:

     metaplot(mn, se, nn=NULL, labels=NULL, conf.level=0.95,
              xlab="Odds ratio", ylab="Study Reference",xlim=NULL,
              summn=NULL, sumse=NULL, sumnn=NULL, summlabel="Summary",
              logeffect=FALSE, lwd=2, boxsize=1,
              zero=as.numeric(logeffect), colors=meta.colors(),
              xaxt="s", logticks=TRUE,  ...)

_A_r_g_u_m_e_n_t_s:

      mn: point estimates from studies

      se: standard errors of 'mn'

      nn: precision: box ares is proportional to this. '1/se^2' is the
          default

  labels: labels for each interval

conf.level: Confidence level for confidence intervals

    xlab: label for the point estimate axis

    ylab: label for the axis indexing the different studies

    xlim: the range for the x axis.

   summn: summary estimate

   sumse: standard error of summary estimate

   sumnn: precision of summary estimate

summlabel: label for summary estimate 

logeffect: 'TRUE' to display on a log scale 

     lwd: line width

 boxsize: Scale factor for box size

    zero: "Null" effect value

    xaxt: use '"n"' for no x-axis (to add a customised one)

logticks: if 'TRUE' and 'logscale', have tick values approximately
          equally spaced on a log scale

  colors: see 'meta.colors'

     ...: Other graphical parameters 

_V_a_l_u_e:

     This function is used for its side-effect.

_S_e_e _A_l_s_o:

     'plot.meta.DSL', 'plot.meta.MH', 'plot.meta.summaries'

_E_x_a_m_p_l_e_s:

     data(catheter)
     a <- meta.MH(n.trt, n.ctrl, col.trt, col.ctrl, data=catheter,
                  names=Name, subset=c(13,6,5,3,7,12,4,11,1,8,10,2))
     metaplot(a$logOR, a$selogOR, nn=a$selogOR^-2, a$names,
              summn=a$logMH, sumse=a$selogMH, sumnn=a$selogMH^-2,
              logeffect=TRUE)
     metaplot(a$logOR, a$selogOR, nn=a$selogOR^-2, a$names,
              summn=a$logMH, sumse=a$selogMH, sumnn=a$selogMH^-2,
              logeffect=TRUE,logticks=FALSE)
     ## angry fruit salad
     metaplot(a$logOR, a$selogOR, nn=a$selogOR^-2, a$names,
              summn=a$logMH, sumse=a$selogMH, sumnn=a$selogMH^-2,
              logeffect=TRUE, colors=meta.colors(box="magenta",
                  lines="blue", zero="red", summary="orange",
                  text="forestgreen"))

