Posts by Thomás Yoshinaga • 11 points

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  Q: Create an exploratory chart type weight~collection by filtering treatments in R

  With the tapply function I can know their values: tapply(peso, list(coleta, tratamento), mean, na.rm=T) tapply(peso, list(coleta, tratamento), sd, na.rm=T) sd Biofloc Control A1 NA NA A2 20.69427…

  r graphics

  asked 7 years ago Thomás Yoshinaga 11