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MODEL VALIDATION - Coggle Diagram
MODEL VALIDATION
DATA
split
train v1
split
validation
80/20
70/30
90/10
train v2
test
80/20
70/30
90/10
KFOLD
accuracy metrics
regression
L1
MAE
absolute
robust outlier
L2
MSE
square
sensitive outier
clissification
confusion matric
TN
P=0 A=0
P=0
A=0
FN
P=0= A1
A=1
FP
P=1A=0
P=1
TP
P=1 A=1
ACUURACY
TN+TP
TN+FP+FN+TP
Precission
TP
FP+TP
focus model predicted
RECALL
TP
FN+TP
focus data
Variance
over fit
train score ban
test score bad
Bias
underfit
train score good
test score bad
CROSS VALIDATION
FIX CV
LEAVE ONE OUT OF VALIDATION
SMALL DATA TRAINING
CV FROM TRAINING DATA