Squid123 <- Squid[Squid$Location == 1 | Squid$Location == 2 | Squid$Location == 3, ]
SquidM.1 <- Squid[Squid$Sex == 1 & Squid$Location == 1,]
Squid[Squid$Location == 1 & Squid$Year == 4 & Squid$Month == 1, ]
Ord1 <- order(Squid$Month)
Squid[Ord1, ]
ou
Squid$GSI[Ord1]
 
mydata[mydata == 2 | mydata == 3] <- NA
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