Accuracy

■ Overall ability of the model to classify correctly over all of the values

■ 𝑎𝑐𝑐𝑢𝑟𝑎𝑐𝑦 𝑦,

ො

𝑦

=

1

𝑛

𝑠𝑎𝑚𝑝𝑙𝑒𝑠

σ

𝑖=0

𝑛

𝑠𝑎𝑚𝑝𝑙𝑒𝑠

−1

1

ෝ

𝑦

𝑖

= 𝑦

𝑖

– ෝ

𝑦

𝑖

: predicted output, 𝑦

𝑖

: real value

■ 𝑎𝑐𝑐𝑢𝑟𝑎𝑐𝑦 =

𝑇𝑃+𝑇𝑁

𝑇𝑃+𝑇𝑁+𝐹𝑃+𝐹𝑁

=

𝑐𝑜𝑟𝑟𝑒𝑐𝑡 𝑐𝑙𝑎𝑠𝑠𝑖𝑓𝑖𝑐𝑎𝑡𝑖𝑜𝑛𝑠

𝑎𝑙𝑙 𝑐𝑙𝑎𝑠𝑠𝑖𝑓𝑖𝑐𝑎𝑡𝑖𝑜𝑛𝑠

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