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/usr/share/spamassassin/STATISTICS-set1-72_scores.cf.txt is in spamassassin 3.4.2-1~deb9u1.

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The actual contents of the file can be viewed below.

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##### WITH NEW RULES AND SCORES #####

# SUMMARY for threshold 5.0:
# Correctly non-spam: 180741  38.212%  (99.664% of non-spam corpus)
# Correctly spam:     257033  54.342%  (88.132% of spam corpus)
# False positives:       609  0.129%  (0.336% of nonspam,  65581 weighted)
# False negatives:     34612  7.318%  (11.868% of spam,  92358 weighted)
# Average score for spam:  15.4    nonspam: -2.3
# Average for false-pos:   6.7  false-neg: 2.7
# TOTAL:              472995  100.00%

Reading scores from "tmprules"...
Reading per-message hit stat logs and scores...

# SUMMARY for threshold 5.0:
# Correctly non-spam:  22696  99.65%
# Correctly spam:      32178  88.34%
# False positives:        80  0.35%
# False negatives:      4246  11.66%
# TCR(l=50): 4.417172  SpamRecall: 88.343%  SpamPrec: 99.752%

##### WITHOUT NEW RULES AND SCORES #####
Reading scores from "../rules-base"...
Reading per-message hit stat logs and scores...

# SUMMARY for threshold 5.0:
# Correctly non-spam: 180210  99.37%
# Correctly spam:     209123  71.70%
# False positives:      1140  0.63%
# False negatives:     82522  28.30%
# TCR(l=50): 2.090316  SpamRecall: 71.705%  SpamPrec: 99.458%
Reading scores from "../rules-base"...
Reading per-message hit stat logs and scores...

# SUMMARY for threshold 5.0:
# Correctly non-spam:  22641  99.41%
# Correctly spam:      26214  71.97%
# False positives:       135  0.59%
# False negatives:     10210  28.03%
# TCR(l=50): 2.147642  SpamRecall: 71.969%  SpamPrec: 99.488%