There are instances when assignment
should be indicated by "<-" rather than "=".
One example is the function Sys.time().
sytem.time( x=1:10000) # x is interpreted as an argument and is an
error here.
system.time( x<-1:1000) # times the creation of x with numbers 1 to 10000
However, grouping the statement with curly brackets
also gives the correct system time.
system.time( { x=1:10000} ) # times the statement correctly
Having fun with R,
Giles Crane
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