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Data Science > Performance Metrics > Flashcards

Performance Metrics Flashcards

1
Q

Abbreviation: P

A

Abbreviation: Actual Condition Positive

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2
Q

Abbreviation: N

A

Abbreviation: Actual Condition Negative

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3
Q

Abbreviation: PP

A

Abbreviation: Predicted Condition Positive

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4
Q

Abbreviation: PN

A

Abbreviation: Predicted Condition Negative

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5
Q

Abbreviation: TP

A

Abbreviation: True positive

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6
Q

Abbreviation: FN

A

Abbreviation: False Negative

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7
Q

Abbreviation: FP

A

Abbreviation: False Positive

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8
Q

Abbreviation: TN

A

Abbreviation: True Negative

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9
Q

Abbreviation: PPV

A

Abbreviation: Positive predictive value

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10
Q

Abbreviation: FOR

A

Abbreviation: False omission rate

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11
Q

Abbreviation: ACC

A

Abbreviation: Accuracy

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12
Q

Abbreviation: FDR

A

Abbreviation: False discovery rate

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13
Q

Abbreviation: NPV

A

Abbreviation: Negative predictive value

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14
Q

Abbreviation: BA

A

Abbreviation: Balanced accuracy

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15
Q

Abbreviation: FM

A

Abbreviation: Fowlkes-Mallows index

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16
Q

Abbreviation: BM

A

Abbreviation: Bookmaker informedness

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17
Q

Abbreviation: PT

A

Abbreviation: Prevalence threshold

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18
Q

Abbreviation: TPR

A

Abbreviation: True positive rate

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19
Q

Abbreviation: SEN

A

Abbreviation: Sensitivity

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20
Q

Abbreviation: FNR

A

Abbreviation: False negative rate

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21
Q

Abbreviation: FPR

A

Abbreviation: False positive rate

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22
Q

Abbreviation: TNR

A

Abbreviation: True negative rate

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23
Q

Abbreviation: LR+

A

Abbreviation: Positive likelihood ratio

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24
Q

Abbreviation: LR-

A

Abbreviation: Negative likelihood ratio

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25
Q

Abbreviation: MK

A

Abbreviation: Markedness

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26
Q

Abbreviation: DOR

A

Abbreviation: Diagnostic odds ratio

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27
Q

Abbreviation: MCC

A

Abbreviation: Matthews correlation coefficient

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28
Q

Abbreviation: TS

A

Abbreviation: Threat score

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29
Q

Abbreviation: CSI

A

Abbreviation: Critical success index

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30
Q

Synonym: Informedness

A

Synonym: Bookmaker informedness

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31
Q

Synonym: Hit

A

Synonym: True positive

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32
Q

Synonym: True positive

A

Synonym: Hit

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33
Q

Synonym: Bookmaker informedness

A

Synonym: Informedness

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34
Q

Synonym: False negative

A

Synonym: Type II error, miss, underestimation

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35
Q

Synonym: Type II error

A

Synonym: False negative, miss, underestimation

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36
Q

Synonym: Miss

A

Synonym: False negative, type II error, underestimation

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37
Q

Synonym: Underestimation

A

Synonym: False negative, type II error, miss

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38
Q

Synonym: True positive rate

A

Synonym: Recall, Sensitivity, Probability of detection, hit rate, power

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39
Q

Synonym: Recall

A

Synonym: True positive rate, Sensitivity, Probability of detection, hit rate, power

40
Q

Synonym: Sensitivity

A

Synonym: True positive rate, Recall, Probability of detection, hit rate, power

41
Q

Synonym: Probability of detection

A

Synonym: True positive rate, Recall, Sensitivity, hit rate, power

42
Q

Synonym: hit rate

A

Synonym: True positive rate, Recall, Sensitivity, Probability of detection, power

43
Q

Synonym: power

A

Synonym: True positive rate, Recall, Sensitivity, Probability of detection, hit rate

44
Q

Synonym: False negative rate

A

Synonym: miss rate

45
Q

Synonym: miss rate

A

Synonym: False negative rate

46
Q

Synonym: False positive

A

Synonym: type I error, false alarm, overestimation

47
Q

Synonym: type I error

A

Synonym: False positive, false alarm, overestimation

48
Q

Synonym: false alarm

A

Synonym: False positive, type I error, overestimation

49
Q

Synonym: overestimation

A

Synonym: False positive, type I error, false alarm

50
Q

Synonym: True negative

A

Synonym: correct rejection

51
Q

Synonym: correct rejection

A

Synonym: True negative

52
Q

Synonym: False positive rate

A

Synonym: probability of false alarm, fall-out

53
Q

Synonym: probability of false alarm

A

Synonym: False positive rate, fall-out

54
Q

Synonym: fall-out

A

Synonym: False positive rate, probability of false alarm

55
Q

Synonym: True negative rate

A

Synonym: specificity, selectivity

56
Q

Synonym: specificity

A

Synonym: True negative rate, selectivity

57
Q

Synonym: selectivity

A

Synonym: True negative rate, specificity

58
Q

Synonym: Positive predictive value

A

Synonym: precision

59
Q

Synonym: precision

A

Synonym: Positive predictive value

60
Q

Synonym: Markedness

A

Synonym: deltaP

61
Q

Synonym: deltaP

A

Synonym: Markedness

62
Q

Synonym: Threat score

A

Synonym: critical success index, Jaccard index

63
Q

Synonym: critical success index

A

Synonym: Threat score, Jaccard index

64
Q

Synonym: Jaccard index

A

Synonym: Threat score, critical success index

65
Q

Definition: the number of real positive cases in the data

A

Definition: condition positive (P)

66
Q

Definition: the number of real negative cases in the data

A

Definition: condition negative (N)

67
Q

Definition: A test result that correctly indicates the absence of a condition or characteristic

A

Definition: true positive (TP)

68
Q

Definition: A test result that correctly indicates the absence of a condition or characteristic

A

Definition: true negative (TN)

69
Q

Definition: A test result which wrongly indicates that a particular condition or attribute is present

A

Definition: false positive (FP)

70
Q

Definition: A test result which wrongly indicates that a particular condition or attribute is absent

A

Definition: false negative (FN)

71
Q

Definition: the harmonic mean of precision and sensitivity

A

Definition: F1 score

72
Q

Synonym: phi coefficient (φ or rφ)

A

Synonym: Matthews correlation coefficient

73
Q

Synonym: Matthews correlation coefficient

A

Synonym: phi coefficient (φ or rφ)

74
Q

Formula: total population

A

Formula: P + N

75
Q

Formula: Informedness

A

Formula: TPR + TNR - 1

76
Q

Formula: Prevalence threshold

A

Formula:

sqrt(TPR*FPR) - FPR
_______________
(TPR - FPR)

77
Q

Formula: true positive rate

A

TP / P

Formula:

1 - FNR

78
Q

Formula: false negative rate

A

FN / P

Formula:

1 - TPR

79
Q

Formula: false positive rate

A

FP / N

Formula:

1 - TNR

80
Q

Formula: true negative rate

A

TN / N

Formula:

1 - FPR

81
Q

Formula: Prevalence

A

Formula:

P / (P + N)

82
Q

Formula: positive predictive value

A

TP / PP

Formula:

1 - FDR

83
Q

Formula: false omission rate

A

FN / PN

Formula:

1 - NPV

84
Q

Formula: positive likelihood ratio

A

Formula:

TPR / FPR

85
Q

Formula: negative likelihood ratio

A

Formula:

FNR / TNR

86
Q

Formula: accuracy

A

Formula:

TP + TN
_______
(P + N)

87
Q

Formula: false discovery rate

A

FP / PP

Formula:

1 - PPV

88
Q

Formula: negative predictive value

A

TN / PN

Formula:

1 - FOR

89
Q

Formula: markedness

A

Formula:

PPV + NPV - 1

90
Q

Formula: diagnostic odds ratio

A

Formula:

LR+ / LR-

91
Q

Formula: balanced accuracy

A

Formula:

(TPR + TNR) / 2

92
Q

Formula: F1 score

A

Formula:

2(PPV * TPR)
__________
(PPV + TPR)

=

2TP
____________
(2TP + FP + FN)

93
Q

Formula: Fowlkes-Mallows index

A

Formula:

sqrt(PPV * TPR)

94
Q

Formula: Matthews correlation coefficient

A

Formula:

sqrt(TPR * TNR * PPV * NPV) - sqrt(FNR * FPR * FOR * FDR)

95
Q

Formula: threat score

A

Formula:

TP
__________
TP + FN + FP

Data Science (1 decks)

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