Hi -

I am trying to assign a unique pch character to 5 different sections of one
row.
For example, in my data set, i would like a unique character representing
each group of rows (one character rep's the multiple values for each date,
so 5 unique values for 5 dates)

rows 1:26 are attached to june_2728, and
rows 27:78 are june_2829
rows 79:104 are june_29
rows 105:114 are july_01
rows 115:146 are july_14

I tried

> plot(data$sarp_avg ~data$cstar_avg, xlim=c(0,3), ylim=c(0,3.5),
xlab="CSTAR LAI", ylab="SARP LAI", main="PISTACHIOS JUNE 27- JULY 14",
pch=c(1,6,8,15,17))


but I have a feeling it is just recycling the 5 pch values, instead of
assigning them to the specific string of rows.

Thanks for any help you might have!!

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