In ,
mem scrive:
Can I split the scale of the y-axis so that it jumps from a lower value to a
higher, e.g. value of 80 to 300 to account for a few large data points I
have? This would be like putting a 'wiggle' in the axis.

take a look:
http://www.prodomosua.it/zips/taglio.xls
.f