[R] Knitr R - how to draw plot exactly at place of plot function call in output document?

[Michu Kom]

My R script run with Knitr generates a statistic summary of electrode pairs
accompanied with plots. The problem is that knitr does not render plots in
correct sections. In section for pair A knitr do not wait for plot and
start to evaluate code for output summary for pair B. So in section B knitr
places plot from section A among printed output summary for pair B.

My function analizePair calculates some statistics and print them out. I
call a ezPlot function inside analizePair function.

knitr::opts_chunk$set(fig.show = 'asis') # 'hold' option is not proper
for my needs
for(pair in pairsLabels)
    {
        print("----------")
        print("Analysing single pair of electrodes...")
        print("----------")
        print(pair)

        analizePair(pairLabel = pair)

        print("----------")
        print("Analysing pair finished.")
        print("----------")
    }

I also tried to put Sys.sleep(2) after analizePair, but it do not solve the
problem.

How to force knitr/R to wait until plot is generated and put before
starting next section (next iteration of for loop) ?

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