The DataFrame library will have the tools to load such files and manipulate the information within. Importing CSV files We will be importing the diamonds dataset for this tutorial. The diamonds.csv file looks like this: Access the diamonds dataset here The first line is called the header and ...
DataFrameRow{DataFrame,DataFrames.SubIndex{DataFrames.Index,UnitRange{Int64},UnitRange{Int64}}} julia> apply_tree(mymod, [5.5,2.5, 4.0, 1.3]) "versicolor" #@ 第90行的品种是versicolor 我们来看一下原始的iris数据集 julia> mydata[90,5] CategoricalString{UInt8} "versicolor" 10.再来测试我们的决策...
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The DataFrame library will have the tools to load such files and manipulate the information within. Importing CSV files We will be importing the diamonds dataset for this tutorial. The diamonds.csv file looks like this: Access the diamonds dataset here The first line is called the header and ...
You can also use the following syntax to select individual columns from the DataFrame. # Extracting the first 10 rows of the cut column diamonds[:, :cut][begin:10] 10-element PooledArrays.PooledArray{String15,UInt32,1,Array{UInt32,1}}: "Ideal" "Ideal" "Ideal" "Premium" "Fair" "Pre...