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Crime and school expenditure data

1 message · Douglas Bates

#
James,

Do you have any idea why the year 2004 has such a large mean CRIME_TOTAL
relative to the other years?

julia> by(totalYears, :yrfac, :CRIME_TOTAL => mean)
15?2 DataFrame
? Row ? yrfac        ? CRIME_TOTAL_mean ?
?     ? Categorical? ? Float64          ?
?????????????????????????????????????????
? 1   ? 2003         ? 3168.28          ?
? 2   ? 2004         ? 6368.35          ?
? 3   ? 2005         ? 2943.62          ?
? 4   ? 2006         ? 2879.6           ?
? 5   ? 2007         ? 2703.79          ?
? 6   ? 2008         ? 2673.72          ?
? 7   ? 2009         ? 2540.67          ?
? 8   ? 2010         ? 2388.7           ?
? 9   ? 2011         ? 2302.99          ?
? 10  ? 2012         ? 2194.78          ?
? 11  ? 2013         ? 2151.79          ?
? 12  ? 2014         ? 2000.15          ?
? 13  ? 2015         ? 2049.1           ?
? 14  ? 2016         ? 2089.87          ?
? 15  ? 2017         ? 2076.56          ?