[R] (no subject)

dear sir/madam, while i am trying to convert the data into timeseries using xts command.i am getting this error. please help me to resolve this issue xts(mydata$MCP, as.Date(rdate, format='%d-%m-%Y') + xts(mydata$MCP, as.Date(rdate, format='%d-%m-%Y') Error: unexpected symbo

[R] doubt clarification

dear sir/madam, i am a new learner of r software. while plotting a graph of data which contains date. i have dates on X-axis, while learning i got to know i have to convert into R understandable language. i got an error while converting "as.Date(all.2015$Day,%d-%m-%y) E