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I am newbie to R Markdown. I am using R Studio and am very comfortable with it. I have some R code in an R Markdown file that I am using in R Studio. The code reads a .csv file of streamflow data and calculates the mean flow. I want to export the resulting mean flow to HTML, which is done when I hit the Knit icon. But all I see in the last line of the HTML file is "mean_flow", and the actual numeric value is missing. I understand I need to do this using r in inline mode, which I tried to do using the following r code excerpt:

    mean_flow<-mean(daily_flow$Value,na.rm=T)
    max_flow<-max(daily_flow$Value,na.rm=T)
    min_flow<-min(daily_flow$Value,na.rm=T)
    sd_flow<-sd(daily_flow$Value,na.rm=T)
    CV_flow<-(sd_flow/mean_flow)*100
    mean_flow `r print(mean_flow)

Note: all except " mean_flow r print(mean_flow) " is in one code chunk.

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Try this: 

mean_flow `r mean_flow`

Also, we can use format to change the format: 

mean_flow `r format(mean_flow, digits = 1, nsmall = 1)`
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