Overview

Dataset statistics

Number of variables4
Number of observations179
Missing cells2
Missing cells (%)0.3%
Duplicate rows0
Duplicate rows (%)0.0%
Total size in memory5.7 KiB
Average record size in memory32.7 B

Variable types

Text2
DateTime2

Dataset

Description한국지역난방공사가 보유 또는 출현 중인 특허보유에 대한 내역 자료입니다. (특허명:열배관 보온재용 클레이-폴리우레탄폼 제조방법 등, 출원일, 등록일, 발명자명)
Author한국지역난방공사
URLhttps://www.data.go.kr/data/15002618/fileData.do

Alerts

발명자 has 2 (1.1%) missing valuesMissing
특허명 has unique valuesUnique

Reproduction

Analysis started2023-12-12 13:18:36.991656
Analysis finished2023-12-12 13:18:37.444478
Duration0.45 seconds
Software versionydata-profiling vv4.5.1
Download configurationconfig.json

Variables

특허명
Text

UNIQUE 

Distinct179
Distinct (%)100.0%
Missing0
Missing (%)0.0%
Memory size1.5 KiB
2023-12-12T22:18:37.737320image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Length

Max length122
Median length44
Mean length28.614525
Min length5

Characters and Unicode

Total characters5122
Distinct characters353
Distinct categories9 ?
Distinct scripts3 ?
Distinct blocks3 ?
The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique179 ?
Unique (%)100.0%

Sample

1st row가상발전소 전력거래 중개 시스템 및 이를 이용한 가상발전소 전력거래 중개 방법
2nd row세대 열사용량 관리 방법 및 그 서버, 난방제어기, 미터
3rd row순환수 재이용 시스템
4th row입자하전형 미세입자 분리포집 장치
5th row바이오가스내 메탄 회수 효율향상을 위한 정제 및 재순환 시스템 및 방법
ValueCountFrequency (%)
69
 
5.4%
시스템 53
 
4.2%
이용한 44
 
3.4%
방법 34
 
2.7%
장치 34
 
2.7%
위한 18
 
1.4%
이를 17
 
1.3%
지역난방 14
 
1.1%
가능한 12
 
0.9%
제어 11
 
0.9%
Other values (634) 971
76.0%
2023-12-12T22:18:38.359505image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Most occurring characters

ValueCountFrequency (%)
1100
 
21.5%
136
 
2.7%
123
 
2.4%
120
 
2.3%
105
 
2.0%
92
 
1.8%
89
 
1.7%
80
 
1.6%
78
 
1.5%
74
 
1.4%
Other values (343) 3125
61.0%

Most occurring categories

ValueCountFrequency (%)
Other Letter 3965
77.4%
Space Separator 1100
 
21.5%
Uppercase Letter 21
 
0.4%
Other Punctuation 15
 
0.3%
Lowercase Letter 11
 
0.2%
Decimal Number 5
 
0.1%
Close Punctuation 2
 
< 0.1%
Open Punctuation 2
 
< 0.1%
Dash Punctuation 1
 
< 0.1%

Most frequent character per category

Other Letter
ValueCountFrequency (%)
136
 
3.4%
123
 
3.1%
120
 
3.0%
105
 
2.6%
92
 
2.3%
89
 
2.2%
80
 
2.0%
78
 
2.0%
74
 
1.9%
73
 
1.8%
Other values (312) 2995
75.5%
Uppercase Letter
ValueCountFrequency (%)
C 4
19.0%
I 3
14.3%
S 3
14.3%
B 1
 
4.8%
1
 
4.8%
1
 
4.8%
1
 
4.8%
A 1
 
4.8%
1
 
4.8%
1
 
4.8%
Other values (4) 4
19.0%
Lowercase Letter
ValueCountFrequency (%)
e 3
27.3%
r 2
18.2%
y 1
 
9.1%
u 1
 
9.1%
l 1
 
9.1%
c 1
 
9.1%
s 1
 
9.1%
d 1
 
9.1%
Other Punctuation
ValueCountFrequency (%)
, 13
86.7%
/ 1
 
6.7%
· 1
 
6.7%
Decimal Number
ValueCountFrequency (%)
2 4
80.0%
3 1
 
20.0%
Space Separator
ValueCountFrequency (%)
1100
100.0%
Close Punctuation
ValueCountFrequency (%)
) 2
100.0%
Open Punctuation
ValueCountFrequency (%)
( 2
100.0%
Dash Punctuation
ValueCountFrequency (%)
- 1
100.0%

Most occurring scripts

ValueCountFrequency (%)
Hangul 3965
77.4%
Common 1125
 
22.0%
Latin 32
 
0.6%

Most frequent character per script

Hangul
ValueCountFrequency (%)
136
 
3.4%
123
 
3.1%
120
 
3.0%
105
 
2.6%
92
 
2.3%
89
 
2.2%
80
 
2.0%
78
 
2.0%
74
 
1.9%
73
 
1.8%
Other values (312) 2995
75.5%
Latin
ValueCountFrequency (%)
C 4
 
12.5%
I 3
 
9.4%
S 3
 
9.4%
e 3
 
9.4%
r 2
 
6.2%
B 1
 
3.1%
1
 
3.1%
1
 
3.1%
1
 
3.1%
A 1
 
3.1%
Other values (12) 12
37.5%
Common
ValueCountFrequency (%)
1100
97.8%
, 13
 
1.2%
2 4
 
0.4%
) 2
 
0.2%
( 2
 
0.2%
3 1
 
0.1%
- 1
 
0.1%
/ 1
 
0.1%
· 1
 
0.1%

Most occurring blocks

ValueCountFrequency (%)
Hangul 3965
77.4%
ASCII 1150
 
22.5%
None 7
 
0.1%

Most frequent character per block

ASCII
ValueCountFrequency (%)
1100
95.7%
, 13
 
1.1%
C 4
 
0.3%
2 4
 
0.3%
I 3
 
0.3%
S 3
 
0.3%
e 3
 
0.3%
r 2
 
0.2%
) 2
 
0.2%
( 2
 
0.2%
Other values (14) 14
 
1.2%
Hangul
ValueCountFrequency (%)
136
 
3.4%
123
 
3.1%
120
 
3.0%
105
 
2.6%
92
 
2.3%
89
 
2.2%
80
 
2.0%
78
 
2.0%
74
 
1.9%
73
 
1.8%
Other values (312) 2995
75.5%
None
ValueCountFrequency (%)
1
14.3%
1
14.3%
1
14.3%
1
14.3%
1
14.3%
1
14.3%
· 1
14.3%
Distinct137
Distinct (%)76.5%
Missing0
Missing (%)0.0%
Memory size1.5 KiB
Minimum2005-02-15 00:00:00
Maximum2021-12-28 00:00:00
2023-12-12T22:18:38.534995image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
2023-12-12T22:18:38.719383image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram with fixed size bins (bins=50)
Distinct152
Distinct (%)84.9%
Missing0
Missing (%)0.0%
Memory size1.5 KiB
Minimum2006-04-11 00:00:00
Maximum2022-08-25 00:00:00
2023-12-12T22:18:38.874664image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
2023-12-12T22:18:39.036711image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Histogram with fixed size bins (bins=50)

발명자
Text

MISSING 

Distinct102
Distinct (%)57.6%
Missing2
Missing (%)1.1%
Memory size1.5 KiB
2023-12-12T22:18:39.349203image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Length

Max length6
Median length5
Mean length4.9661017
Min length3

Characters and Unicode

Total characters879
Distinct characters84
Distinct categories2 ?
Distinct scripts2 ?
Distinct blocks2 ?
The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique67 ?
Unique (%)37.9%

Sample

1st row구자균외4
2nd row이재용외4
3rd row장원석외7
4th row남궁형규외5
5th row장원석외11
ValueCountFrequency (%)
박래용외7 8
 
4.5%
이창준외3 5
 
2.8%
임신영외3 5
 
2.8%
장원석외4 5
 
2.8%
이창준외2 4
 
2.3%
구자균외9 4
 
2.3%
장원석외7 4
 
2.3%
김경민외4 4
 
2.3%
이종준외5 4
 
2.3%
김경민외6 4
 
2.3%
Other values (92) 130
73.4%
2023-12-12T22:18:39.831004image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/

Most occurring characters

ValueCountFrequency (%)
174
19.8%
52
 
5.9%
4 36
 
4.1%
3 32
 
3.6%
31
 
3.5%
28
 
3.2%
5 26
 
3.0%
25
 
2.8%
24
 
2.7%
23
 
2.6%
Other values (74) 428
48.7%

Most occurring categories

ValueCountFrequency (%)
Other Letter 704
80.1%
Decimal Number 175
 
19.9%

Most frequent character per category

Other Letter
ValueCountFrequency (%)
174
24.7%
52
 
7.4%
31
 
4.4%
28
 
4.0%
25
 
3.6%
24
 
3.4%
23
 
3.3%
23
 
3.3%
22
 
3.1%
21
 
3.0%
Other values (64) 281
39.9%
Decimal Number
ValueCountFrequency (%)
4 36
20.6%
3 32
18.3%
5 26
14.9%
6 20
11.4%
1 18
10.3%
7 17
9.7%
2 17
9.7%
9 5
 
2.9%
8 3
 
1.7%
0 1
 
0.6%

Most occurring scripts

ValueCountFrequency (%)
Hangul 704
80.1%
Common 175
 
19.9%

Most frequent character per script

Hangul
ValueCountFrequency (%)
174
24.7%
52
 
7.4%
31
 
4.4%
28
 
4.0%
25
 
3.6%
24
 
3.4%
23
 
3.3%
23
 
3.3%
22
 
3.1%
21
 
3.0%
Other values (64) 281
39.9%
Common
ValueCountFrequency (%)
4 36
20.6%
3 32
18.3%
5 26
14.9%
6 20
11.4%
1 18
10.3%
7 17
9.7%
2 17
9.7%
9 5
 
2.9%
8 3
 
1.7%
0 1
 
0.6%

Most occurring blocks

ValueCountFrequency (%)
Hangul 704
80.1%
ASCII 175
 
19.9%

Most frequent character per block

Hangul
ValueCountFrequency (%)
174
24.7%
52
 
7.4%
31
 
4.4%
28
 
4.0%
25
 
3.6%
24
 
3.4%
23
 
3.3%
23
 
3.3%
22
 
3.1%
21
 
3.0%
Other values (64) 281
39.9%
ASCII
ValueCountFrequency (%)
4 36
20.6%
3 32
18.3%
5 26
14.9%
6 20
11.4%
1 18
10.3%
7 17
9.7%
2 17
9.7%
9 5
 
2.9%
8 3
 
1.7%
0 1
 
0.6%

Missing values

2023-12-12T22:18:37.304106image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
A simple visualization of nullity by column.
2023-12-12T22:18:37.407844image/svg+xmlMatplotlib v3.7.2, https://matplotlib.org/
Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

Sample

특허명출원일등록일발명자
0가상발전소 전력거래 중개 시스템 및 이를 이용한 가상발전소 전력거래 중개 방법2020-05-152022-08-25구자균외4
1세대 열사용량 관리 방법 및 그 서버, 난방제어기, 미터2020-07-232022-07-28이재용외4
2순환수 재이용 시스템2020-10-162022-07-18장원석외7
3입자하전형 미세입자 분리포집 장치2020-03-232022-06-15남궁형규외5
4바이오가스내 메탄 회수 효율향상을 위한 정제 및 재순환 시스템 및 방법2020-09-102022-06-10장원석외11
5압력제어 및 분산용 항체 및 이를 적용한 배전반2021-12-282022-05-02홍성민외3
6발전소 연돌 배기가스 철 산화물 입자 제거장치2020-07-162022-04-11남궁형규외4
7열변환장치를 활용한 가상발전소 시스템 및 이를 이용한 가상발전소 운영방법2020-05-152022-04-05구자균외4
8신재생 열병합발전소를 활용한 가상발전소 시스템 및 이를 이용한 가상발전소 운영 방법2020-05-152022-04-05구자균외4
9도심건물형 미세조류 광배양 및 아쿠아팜 하이브리드 시스템2019-11-192022-02-16장원석외7
특허명출원일등록일발명자
169저온수 2단 흡수식 냉동기2006-06-202007-07-30김연홍외6
170아이스슬러리 공급시스템2006-06-202007-05-02윤석만외2
171지역난방시스템2005-02-262007-01-23강희국외1
172무선통신망을 이용하여 열배관의 누수를 원격으로 감시하는 열배관 감시시스템2005-08-222007-01-23김진홍외2
173지역난방시스템의 연료펌프 트립시 스탠바이 펌프의 속응성 개선시스템2005-02-262006-12-06강희국외1
174다수의 축열조를 한 배관망에 직접 연결 및 운전할 수 있는 지역난방용 축열조 시스템2005-03-082006-09-30이창준외3
175간접 열수송방식을 이용한 지역난방시스템2005-03-042006-08-21김연홍외1
176열배관 보온재용 클레이-폴리우레탄 폼 나노복합체 및 그 제조방법2005-02-152006-07-04김연홍외3
177지역난방 이중보온관 벤딩용치구2005-03-042006-07-04이기섭외1
178열배관의 음극방식 전위기준 설정방식2005-03-042006-04-11김연홍외1