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callidus
Machina Callida
Commits
8a57d015
Commit
8a57d015
authored
Jun 03, 2020
by
Konstantin Schulz
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added documentation for text complexity formula
parent
25e2bb57
Pipeline
#11857
passed with stages
in 2 minutes and 35 seconds
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mc_backend/mcserver/app/services/textComplexityService.py
mc_backend/mcserver/app/services/textComplexityService.py
+8
-5
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mc_backend/mcserver/app/services/textComplexityService.py
View file @
8a57d015
...
@@ -28,24 +28,27 @@ class TextComplexityService:
...
@@ -28,24 +28,27 @@ class TextComplexityService:
@
staticmethod
@
staticmethod
def
calculate_overall_complexity
(
tc
:
TextComplexity
)
->
float
:
def
calculate_overall_complexity
(
tc
:
TextComplexity
)
->
float
:
""" Combines all the single elements of text complexity into one measure with a scale from 0 to 100. """
""" Combines all the single elements of text complexity into one measure with a scale from 0 to 100. """
# the overall scale for all the separate measures should be from 0 to 100
tc_measure_overall
:
List
[
float
]
=
[]
tc_measure_overall
:
List
[
float
]
=
[]
wcrs
:
List
[
range
]
=
TextService
.
word_count_ranges
wcrs
:
List
[
range
]
=
TextService
.
word_count_ranges
# each range/index is separated evenly across the scale
# each range/index is separated evenly across the scale
; adjust the index so it is between 1 and 10
wcr_idx
:
int
=
next
(
i
for
i
in
range
(
len
(
wcrs
))
if
tc
.
n_w
in
wcrs
[
i
])
+
1
wcr_idx
:
int
=
next
(
i
for
i
in
range
(
len
(
wcrs
))
if
tc
.
n_w
in
wcrs
[
i
])
+
1
# the overall scale for all the separate measures should be from 0 to 100
tc_measure_overall
.
append
(
wcr_idx
/
len
(
wcrs
)
*
100
)
tc_measure_overall
.
append
(
wcr_idx
/
len
(
wcrs
)
*
100
)
# need to take care of empty text (0 POS); there are 17 different POS tags overall
# need to take care of empty text (0 POS); there are 17 different POS tags overall
tc_measure_overall
.
append
((
tc
.
pos
+
1
)
*
(
100
/
16
))
tc_measure_overall
.
append
((
tc
.
pos
+
1
)
*
(
100
/
16
))
scrs
:
List
[
range
]
=
TextService
.
sentence_count_ranges
scrs
:
List
[
range
]
=
TextService
.
sentence_count_ranges
# each range/index is separated evenly across the scale
# each range/index is separated evenly across the scale
; adjust the index so it is between 1 and 10
scr_idx
:
int
=
next
(
i
for
i
in
range
(
len
(
scrs
))
if
tc
.
n_w
in
scrs
[
i
])
+
1
scr_idx
:
int
=
next
(
i
for
i
in
range
(
len
(
scrs
))
if
tc
.
n_w
in
scrs
[
i
])
+
1
tc_measure_overall
.
append
(
scr_idx
/
len
(
scrs
)
*
100
)
tc_measure_overall
.
append
(
scr_idx
/
len
(
scrs
)
*
100
)
# arbitrary maximum value as a reference to calculate a percentage; input texts must not exceed it
max_w_per_sent
:
int
=
700
max_w_per_sent
:
int
=
700
tc_measure_overall
.
append
(
tc
.
avg_w_per_sent
/
max_w_per_sent
*
100
)
tc_measure_overall
.
append
(
tc
.
avg_w_per_sent
/
max_w_per_sent
*
100
)
# arbitrary maximum value as a reference to calculate a percentage; input texts must not exceed it
max_w_len
:
int
=
50
max_w_len
:
int
=
50
tc_measure_overall
.
append
(
tc
.
avg_w_len
/
max_w_len
*
100
)
tc_measure_overall
.
append
(
tc
.
avg_w_len
/
max_w_len
*
100
)
# we do not use the punctuation count because it needs to differentiated into various categories, e.g.
# do not use the punctuation count (tc.n_punct) because it needs to be differentiated into various categories,
# whether it represents a subclause or an enumeration; we already calculate subclauses separately
# e.g. whether it represents a subclause or an enumeration; subclauses are calculated separately
# tc_measure_overall.append(tc.n_punct / tc.n_w * 100)
tc_measure_overall
.
append
(
tc
.
n_types
/
tc
.
n_w
*
100
)
tc_measure_overall
.
append
(
tc
.
n_types
/
tc
.
n_w
*
100
)
tc_measure_overall
.
append
(
tc
.
lex_den
*
100
)
tc_measure_overall
.
append
(
tc
.
lex_den
*
100
)
# all the other measures need to be normalized for text length, e.g. word/sentence/clause count
# all the other measures need to be normalized for text length, e.g. word/sentence/clause count
...
...
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