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16 lines
1.5 KiB
Plaintext
16 lines
1.5 KiB
Plaintext
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<>^1 <00> @ s. d Z ddlZddlmZ ddd<05>Zdd<07> ZdS ) z<>
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These were (shamelessly) taken from cs231n course github code.
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I believe these were coded by Andrej Karpathy so credit goes to him
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for coding these.
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<EFBFBD> N<> c C s<> t <00>| | |f<02>}t <00>| | <00>}x<>t|<02>D ]<5D>}t| | | |d <00>}t <00>dd| <00>}t <00>|d |d d | <00>t j<04>| <00>d }t j|t <00>|<08> |t <00>|<08> f ||< |||< q*W t j
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|d d <00>df |d d <00>df |dt j j d<07> t <09>
<0A> ||fS )N<> g <00> g<><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?r <00>( )<03>c<>s<>cmap)<0E>np<6E>zeros<6F>range<67>linspace<63>random<6F>randn<64>c_<63>sin<69>cos<6F>plt<6C>scatter<65>cm<63>Spectral<61>show) <09>N<>D<>K<>X<>y<>j<>ix<69>r<>t<> r <00>cC:\Users\aladd\Desktop\GitHub\Machine-Learning-Collection\ML\algorithms\logisticregression\utils.py<70>create_dataset
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s *& 0r" c C s d}| d d <00>df <00> <00> d | d d <00>df <00><01> d }}| d d <00>df <00> <00> d | d d <00>df <00><01> d }}t<02>t<02>|||<03>t<02>|||<03><03>\}} tj|<08><06> | <09><06> f }
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|<02>|
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<EFBFBD>} | <0B>|j <09>} t
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j || | t
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j j
dd<05> t
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j| d d <00>df | d d <00>df |dt
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j j
d<07> d S )Ng{<14>G<EFBFBD>z<EFBFBD>?r r g<><67><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?)r <00>alphar )r r r )<0F>min<69>maxr <00>meshgrid<69>aranger <00>ravel<65>predict<63>reshape<70>shaper <00>contourfr r r ) r r <00>logreg<65>h<>x_min<69>x_max<61>y_min<69>y_max<61>xx<78>yy<79>points<74>Zr r r! <00> plot_contour s 22
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r7 )r r )<08>__doc__<5F>numpyr <00>matplotlib.pyplot<6F>pyplotr r" r7 r r r r! <00><module> s
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