For the cutoff probability value of 0.5, what value of k minimizes the overall error rate on the validation data? explain the difference in the overall error rate on the training, validation, and test set.

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

source:

explanation:

step-by-step explanation:

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step-by-step explanation:

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