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breakfast
2008 May 15
1
lattice histogram problem with integers values and nint
...ist$count.
Thanks in advance.
Detail
I have a dataset of approximately 170,000 rows, with a DayOfYear
field. I want a histogram of the number of rows in each day of the
year. I set up breaks from 0:365, and use this with hist, and the
lattice histogram, e.g.
histogram(dfTemp$DayOfYear,breaks=breaklist,type="count")
If I use hist to display this, all values are under 600, everything is fine..
If I use lattice histogram on the full 365 days, either with nint=365,
or breaks set from (0:366), I get 26 equally-spaced spurious peaks
above 800 (that is, 26 days reported with bad values). A...