add an example of data frame lookup
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6
ch12.jl
6
ch12.jl
@ -61,8 +61,8 @@ summary(classes_df)
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describe(classes_df, :min, :max, :mean, :nmissing, :eltype)
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findall(n -> n == "bkamins", classes_df.name)
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findall(n -> n == "oxinabox", classes_df.name)
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classes_df[findall(n -> n == "oxinabox", classes_df.name), :]
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findall(n -> n == "StefanKarpinski", classes_df.name)
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classes_df[findall(n -> n == "StefanKarpinski", classes_df.name), :]
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# Code for updating data frame columns using broadcasting
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@ -221,7 +221,7 @@ using DataFramesMeta
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using Plots
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scatter(classes_df.deg_ml, classes_df.deg_web;
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color=[x == 1 ? "black" : "gray" for x in classes_df.ml_target],
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color=[x == 1 ? "black" : "yellow" for x in classes_df.ml_target],
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xlabel="degree ml", ylabel="degree web", labels=false)
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# Code for aggregation of degree data
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