Using Gadfly on data
Let's apply
Gadfly
to visualize the histogram we made in the Using DataFrames section of Chapter 8, I/O, Networking, and Parallel Computing, when examining the quality of wine samples:
# see code in Chapter 8\DataFrames.jl: using Gadfly p = plot(df_quality, x="qual", y="no", Geom.bar(),Guide.title("Class distributions (\"quality\")")) draw(PNG(14cm,10cm),p)
This produces the following output:
Here is an example to explore medical data: medical.csv
is a file that contains the following columns: IX
, Sex
, Age
, sBP
, dBP
, Drink
, and BMI
(IX
is a number for each data line, sBP
and dBP
are systolic and diastolic blood pressure, Drink ...
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