vignettes/MetaMinerR.Rmd: forgot to add the changes from the example of the alternative way to create a design data.frame
vignettes/MetaMinerR.Rmd: forgot to add the changes from the example of the alternative way to create a design data.frame

Signed-off-by: Charles Joly Beauparlant <c79f23605b0df744f73b708f25ad0a27ad7758d6@crchul.ulaval.ca>

CharlesJB/metagene