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add an example of data frame lookup

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Bogumił Kamiński
2022-05-30 14:49:34 +02:00
parent adc841d54e
commit 5547859ee6
1 changed files with 3 additions and 3 deletions
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6
ch12.jl
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@@ -61,8 +61,8 @@ summary(classes_df)
describe(classes_df, :min, :max, :mean, :nmissing, :eltype) describe(classes_df, :min, :max, :mean, :nmissing, :eltype)
findall(n -> n == "bkamins", classes_df.name) findall(n -> n == "bkamins", classes_df.name)
findall(n -> n == "oxinabox", classes_df.name) findall(n -> n == "StefanKarpinski", classes_df.name)
classes_df[findall(n -> n == "oxinabox", classes_df.name), :] classes_df[findall(n -> n == "StefanKarpinski", classes_df.name), :]
# Code for updating data frame columns using broadcasting # Code for updating data frame columns using broadcasting
@@ -221,7 +221,7 @@ using DataFramesMeta
using Plots using Plots
scatter(classes_df.deg_ml, classes_df.deg_web; scatter(classes_df.deg_ml, classes_df.deg_web;
color=[x == 1 ? "black" : "gray" for x in classes_df.ml_target], color=[x == 1 ? "black" : "yellow" for x in classes_df.ml_target],
xlabel="degree ml", ylabel="degree web", labels=false) xlabel="degree ml", ylabel="degree web", labels=false)
# Code for aggregation of degree data # Code for aggregation of degree data