Dataset statistics
Number of variables | 8 |
---|---|
Number of observations | 8657 |
Missing cells | 4060 |
Missing cells (%) | 5.9% |
Duplicate rows | 0 |
Duplicate rows (%) | 0.0% |
Total size in memory | 600.4 KiB |
Average record size in memory | 71.0 B |
Variable types
Numeric | 5 |
---|---|
Categorical | 3 |
Dataset
Description | 한국인터넷진흥원 국가기술자격시험(KISQ : 정보보안기사 / 정보보안산업기사)의 시험별시험장교실정보입니다. |
---|---|
Author | 한국인터넷진흥원 |
URL | https://www.data.go.kr/data/15092540/fileData.do |
Reproduction
Analysis started | 2023-12-12 20:20:57.586117 |
---|---|
Analysis finished | 2023-12-12 20:21:01.183957 |
Duration | 3.6 seconds |
Software version | ydata-profiling vv4.5.1 |
Download configuration | config.json |
시험회차
Real number (ℝ)
HIGH CORRELATION
 
Distinct | 18 |
---|---|
Distinct (%) | 0.2% |
Missing | 0 |
Missing (%) | 0.0% |
Infinite | 0 |
Infinite (%) | 0.0% |
Mean | 9.2687998 |
Minimum | 1 |
---|---|
Maximum | 18 |
Zeros | 0 |
Zeros (%) | 0.0% |
Negative | 0 |
Negative (%) | 0.0% |
Memory size | 76.2 KiB |
Quantile statistics
Minimum | 1 |
---|---|
5-th percentile | 1 |
Q1 | 4 |
median | 9 |
Q3 | 14 |
95-th percentile | 17 |
Maximum | 18 |
Range | 17 |
Interquartile range (IQR) | 10 |
Descriptive statistics
Standard deviation | 5.4672769 |
---|---|
Coefficient of variation (CV) | 0.58985812 |
Kurtosis | -1.3217338 |
Mean | 9.2687998 |
Median Absolute Deviation (MAD) | 5 |
Skewness | -0.049257404 |
Sum | 80240 |
Variance | 29.891116 |
Monotonicity | Decreasing |
Value | Count | Frequency (%) |
2 | 978 | 11.3% |
1 | 679 | 7.8% |
15 | 632 | 7.3% |
16 | 534 | 6.2% |
17 | 529 | 6.1% |
9 | 488 | 5.6% |
14 | 474 | 5.5% |
8 | 452 | 5.2% |
13 | 443 | 5.1% |
10 | 441 | 5.1% |
Other values (8) | 3007 |
Value | Count | Frequency (%) |
1 | 679 | |
2 | 978 | |
3 | 311 | 3.6% |
4 | 318 | 3.7% |
5 | 339 | 3.9% |
6 | 372 | 4.3% |
7 | 432 | |
8 | 452 | |
9 | 488 | |
10 | 441 |
Value | Count | Frequency (%) |
18 | 372 | |
17 | 529 | |
16 | 534 | |
15 | 632 | |
14 | 474 | |
13 | 443 | |
12 | 430 | |
11 | 433 | |
10 | 441 | |
9 | 488 |
시험장일련번호
Real number (ℝ)
Distinct | 73 |
---|---|
Distinct (%) | 0.8% |
Missing | 0 |
Missing (%) | 0.0% |
Infinite | 0 |
Infinite (%) | 0.0% |
Mean | 20.522583 |
Minimum | 1 |
---|---|
Maximum | 73 |
Zeros | 0 |
Zeros (%) | 0.0% |
Negative | 0 |
Negative (%) | 0.0% |
Memory size | 76.2 KiB |
Quantile statistics
Minimum | 1 |
---|---|
5-th percentile | 2 |
Q1 | 6 |
median | 17 |
Q3 | 31 |
95-th percentile | 56 |
Maximum | 73 |
Range | 72 |
Interquartile range (IQR) | 25 |
Descriptive statistics
Standard deviation | 16.987702 |
---|---|
Coefficient of variation (CV) | 0.82775651 |
Kurtosis | 0.10016115 |
Mean | 20.522583 |
Median Absolute Deviation (MAD) | 12 |
Skewness | 0.90659299 |
Sum | 177664 |
Variance | 288.582 |
Monotonicity | Not monotonic |
Value | Count | Frequency (%) |
3 | 479 | 5.5% |
1 | 409 | 4.7% |
4 | 383 | 4.4% |
2 | 365 | 4.2% |
5 | 364 | 4.2% |
7 | 342 | 4.0% |
6 | 314 | 3.6% |
9 | 308 | 3.6% |
8 | 270 | 3.1% |
11 | 231 | 2.7% |
Other values (63) | 5192 |
Value | Count | Frequency (%) |
1 | 409 | |
2 | 365 | |
3 | 479 | |
4 | 383 | |
5 | 364 | |
6 | 314 | |
7 | 342 | |
8 | 270 | |
9 | 308 | |
10 | 216 |
Value | Count | Frequency (%) |
73 | 9 | 0.1% |
72 | 10 | 0.1% |
71 | 10 | 0.1% |
70 | 4 | < 0.1% |
69 | 15 | 0.2% |
68 | 16 | 0.2% |
67 | 30 | |
66 | 34 | |
65 | 40 | |
64 | 24 |
교실번호
Real number (ℝ)
Distinct | 43 |
---|---|
Distinct (%) | 0.5% |
Missing | 0 |
Missing (%) | 0.0% |
Infinite | 0 |
Infinite (%) | 0.0% |
Mean | 10.90782 |
Minimum | 1 |
---|---|
Maximum | 43 |
Zeros | 0 |
Zeros (%) | 0.0% |
Negative | 0 |
Negative (%) | 0.0% |
Memory size | 76.2 KiB |
Quantile statistics
Minimum | 1 |
---|---|
5-th percentile | 1 |
Q1 | 4 |
median | 9 |
Q3 | 16 |
95-th percentile | 28 |
Maximum | 43 |
Range | 42 |
Interquartile range (IQR) | 12 |
Descriptive statistics
Standard deviation | 8.60794 |
---|---|
Coefficient of variation (CV) | 0.78915309 |
Kurtosis | 0.26034713 |
Mean | 10.90782 |
Median Absolute Deviation (MAD) | 6 |
Skewness | 0.94287192 |
Sum | 94429 |
Variance | 74.096631 |
Monotonicity | Not monotonic |
Value | Count | Frequency (%) |
1 | 696 | 8.0% |
2 | 680 | 7.9% |
3 | 635 | 7.3% |
4 | 577 | 6.7% |
5 | 493 | 5.7% |
6 | 440 | 5.1% |
7 | 395 | 4.6% |
8 | 366 | 4.2% |
9 | 336 | 3.9% |
10 | 320 | 3.7% |
Other values (33) | 3719 |
Value | Count | Frequency (%) |
1 | 696 | |
2 | 680 | |
3 | 635 | |
4 | 577 | |
5 | 493 | |
6 | 440 | |
7 | 395 | |
8 | 366 | |
9 | 336 | |
10 | 320 |
Value | Count | Frequency (%) |
43 | 1 | < 0.1% |
42 | 4 | < 0.1% |
41 | 8 | 0.1% |
40 | 12 | |
39 | 12 | |
38 | 13 | |
37 | 14 | |
36 | 18 | |
35 | 24 | |
34 | 28 |
인원수
Real number (ℝ)
HIGH CORRELATION
 
Distinct | 44 |
---|---|
Distinct (%) | 0.5% |
Missing | 0 |
Missing (%) | 0.0% |
Infinite | 0 |
Infinite (%) | 0.0% |
Mean | 25.927804 |
Minimum | 1 |
---|---|
Maximum | 90 |
Zeros | 0 |
Zeros (%) | 0.0% |
Negative | 0 |
Negative (%) | 0.0% |
Memory size | 76.2 KiB |
Quantile statistics
Minimum | 1 |
---|---|
5-th percentile | 18 |
Q1 | 23 |
median | 25 |
Q3 | 30 |
95-th percentile | 33 |
Maximum | 90 |
Range | 89 |
Interquartile range (IQR) | 7 |
Descriptive statistics
Standard deviation | 5.3744909 |
---|---|
Coefficient of variation (CV) | 0.20728677 |
Kurtosis | 10.30925 |
Mean | 25.927804 |
Median Absolute Deviation (MAD) | 5 |
Skewness | 1.3612971 |
Sum | 224457 |
Variance | 28.885152 |
Monotonicity | Not monotonic |
Value | Count | Frequency (%) |
30 | 2459 | |
25 | 1314 | |
23 | 768 | 8.9% |
19 | 545 | 6.3% |
24 | 484 | 5.6% |
22 | 408 | 4.7% |
20 | 406 | 4.7% |
18 | 315 | 3.6% |
29 | 306 | 3.5% |
28 | 264 | 3.0% |
Other values (34) | 1388 |
Value | Count | Frequency (%) |
1 | 6 | 0.1% |
2 | 1 | < 0.1% |
3 | 1 | < 0.1% |
5 | 1 | < 0.1% |
12 | 2 | < 0.1% |
13 | 3 | < 0.1% |
14 | 8 | 0.1% |
15 | 18 | 0.2% |
16 | 72 | |
17 | 96 |
Value | Count | Frequency (%) |
90 | 1 | < 0.1% |
72 | 7 | |
70 | 2 | < 0.1% |
60 | 11 | |
56 | 1 | < 0.1% |
54 | 5 | |
50 | 4 | < 0.1% |
49 | 10 | |
48 | 12 | |
45 | 6 |
건물명
Categorical
IMBALANCE
 
Distinct | 17 |
---|---|
Distinct (%) | 0.2% |
Missing | 0 |
Missing (%) | 0.0% |
Memory size | 67.8 KiB |
정보없음 | |
---|---|
본관 | |
숭인관 | 212 |
1학년관 | 175 |
3학년관 | 134 |
Other values (12) | 477 |
Length
Max length | 12 |
---|---|
Median length | 4 |
Mean length | 3.4894305 |
Min length | 2 |
Unique
Unique | 0 ? |
---|---|
Unique (%) | 0.0% |
Sample
1st row | 1학년관 |
---|---|
2nd row | 1학년관 |
3rd row | 1학년관 |
4th row | 1학년관 |
5th row | 1학년관 |
Common Values
Value | Count | Frequency (%) |
정보없음 | 5618 | |
본관 | 2041 | 23.6% |
숭인관 | 212 | 2.4% |
1학년관 | 175 | 2.0% |
3학년관 | 134 | 1.5% |
2학년관 | 110 | 1.3% |
성실관 | 109 | 1.3% |
북두관 | 74 | 0.9% |
후관 | 56 | 0.6% |
봉사관 | 42 | 0.5% |
Other values (7) | 86 | 1.0% |
Length
Value | Count | Frequency (%) |
정보없음 | 5618 | |
본관 | 2041 | 23.6% |
숭인관 | 212 | 2.4% |
1학년관 | 175 | 2.0% |
3학년관 | 134 | 1.5% |
2학년관 | 110 | 1.3% |
성실관 | 109 | 1.3% |
북두관 | 74 | 0.9% |
후관 | 56 | 0.6% |
봉사관 | 42 | 0.5% |
Other values (6) | 86 | 1.0% |
층명
Categorical
Distinct | 6 |
---|---|
Distinct (%) | 0.1% |
Missing | 0 |
Missing (%) | 0.0% |
Memory size | 67.8 KiB |
3 | |
---|---|
2 | |
4 | |
<NA> | |
1 |
Length
Max length | 4 |
---|---|
Median length | 1 |
Mean length | 1.4567402 |
Min length | 1 |
Unique
Unique | 0 ? |
---|---|
Unique (%) | 0.0% |
Sample
1st row | 3 |
---|---|
2nd row | 3 |
3rd row | 3 |
4th row | 2 |
5th row | 2 |
Common Values
Value | Count | Frequency (%) |
3 | 2619 | |
2 | 2538 | |
4 | 1416 | |
<NA> | 1318 | |
1 | 414 | 4.8% |
5 | 352 | 4.1% |
Length
Common Values (Plot)
Value | Count | Frequency (%) |
3 | 2619 | |
2 | 2538 | |
4 | 1416 | |
na | 1318 | |
1 | 414 | 4.8% |
5 | 352 | 4.1% |
추가좌석수
Real number (ℝ)
MISSING
  ZEROS
 
Distinct | 6 |
---|---|
Distinct (%) | 0.1% |
Missing | 4060 |
Missing (%) | 46.9% |
Infinite | 0 |
Infinite (%) | 0.0% |
Mean | 2.5427453 |
Minimum | 0 |
---|---|
Maximum | 5 |
Zeros | 454 |
Zeros (%) | 5.2% |
Negative | 0 |
Negative (%) | 0.0% |
Memory size | 76.2 KiB |
Quantile statistics
Minimum | 0 |
---|---|
5-th percentile | 0 |
Q1 | 2 |
median | 3 |
Q3 | 4 |
95-th percentile | 4 |
Maximum | 5 |
Range | 5 |
Interquartile range (IQR) | 2 |
Descriptive statistics
Standard deviation | 1.2871841 |
---|---|
Coefficient of variation (CV) | 0.50621828 |
Kurtosis | -0.67514782 |
Mean | 2.5427453 |
Median Absolute Deviation (MAD) | 1 |
Skewness | -0.52612979 |
Sum | 11689 |
Variance | 1.656843 |
Monotonicity | Not monotonic |
Value | Count | Frequency (%) |
3 | 1462 | 16.9% |
4 | 1176 | 13.6% |
2 | 902 | 10.4% |
1 | 555 | 6.4% |
0 | 454 | 5.2% |
5 | 48 | 0.6% |
(Missing) | 4060 |
Value | Count | Frequency (%) |
0 | 454 | 5.2% |
1 | 555 | 6.4% |
2 | 902 | |
3 | 1462 | |
4 | 1176 | |
5 | 48 | 0.6% |
Value | Count | Frequency (%) |
5 | 48 | 0.6% |
4 | 1176 | |
3 | 1462 | |
2 | 902 | |
1 | 555 | 6.4% |
0 | 454 | 5.2% |
장애인좌석수
Categorical
IMBALANCE
 
Distinct | 4 |
---|---|
Distinct (%) | < 0.1% |
Missing | 0 |
Missing (%) | 0.0% |
Memory size | 67.8 KiB |
0 | |
---|---|
1 | 98 |
2 | 9 |
3 | 1 |
Length
Max length | 1 |
---|---|
Median length | 1 |
Mean length | 1 |
Min length | 1 |
Unique
Unique | 1 ? |
---|---|
Unique (%) | < 0.1% |
Sample
1st row | 0 |
---|---|
2nd row | 0 |
3rd row | 0 |
4th row | 0 |
5th row | 0 |
Common Values
Value | Count | Frequency (%) |
0 | 8549 | |
1 | 98 | 1.1% |
2 | 9 | 0.1% |
3 | 1 | < 0.1% |
Length
Common Values (Plot)
Value | Count | Frequency (%) |
0 | 8549 | |
1 | 98 | 1.1% |
2 | 9 | 0.1% |
3 | 1 | < 0.1% |
시험회차 | 시험장일련번호 | 교실번호 | 인원수 | 건물명 | 층명 | 추가좌석수 | 장애인좌석수 | |
---|---|---|---|---|---|---|---|---|
시험회차 | 1.000 | 0.685 | 0.165 | 0.493 | 0.578 | 0.189 | 0.434 | 0.056 |
시험장일련번호 | 0.685 | 1.000 | 0.319 | 0.343 | 0.380 | 0.293 | 0.229 | 0.016 |
교실번호 | 0.165 | 0.319 | 1.000 | 0.100 | 0.202 | 0.736 | 0.207 | 0.128 |
인원수 | 0.493 | 0.343 | 0.100 | 1.000 | 0.347 | 0.209 | 0.234 | 0.352 |
건물명 | 0.578 | 0.380 | 0.202 | 0.347 | 1.000 | 0.405 | 0.306 | 0.000 |
층명 | 0.189 | 0.293 | 0.736 | 0.209 | 0.405 | 1.000 | 0.188 | 0.068 |
추가좌석수 | 0.434 | 0.229 | 0.207 | 0.234 | 0.306 | 0.188 | 1.000 | 0.069 |
장애인좌석수 | 0.056 | 0.016 | 0.128 | 0.352 | 0.000 | 0.068 | 0.069 | 1.000 |
건물명 | 장애인좌석수 | 층명 | |
---|---|---|---|
건물명 | 1.000 | 0.000 | 0.222 |
장애인좌석수 | 0.000 | 1.000 | 0.056 |
층명 | 0.222 | 0.056 | 1.000 |
시험회차 | 시험장일련번호 | 교실번호 | 인원수 | 추가좌석수 | 건물명 | 층명 | 장애인좌석수 | |
---|---|---|---|---|---|---|---|---|
시험회차 | 1.000 | -0.308 | -0.043 | -0.740 | -0.141 | 0.267 | 0.080 | 0.034 |
시험장일련번호 | -0.308 | 1.000 | -0.187 | 0.156 | -0.102 | 0.158 | 0.126 | 0.010 |
교실번호 | -0.043 | -0.187 | 1.000 | 0.078 | 0.185 | 0.080 | 0.393 | 0.077 |
인원수 | -0.740 | 0.156 | 0.078 | 1.000 | 0.135 | 0.146 | 0.142 | 0.232 |
추가좌석수 | -0.141 | -0.102 | 0.185 | 0.135 | 1.000 | 0.156 | 0.128 | 0.028 |
건물명 | 0.267 | 0.158 | 0.080 | 0.146 | 0.156 | 1.000 | 0.222 | 0.000 |
층명 | 0.080 | 0.126 | 0.393 | 0.142 | 0.128 | 0.222 | 1.000 | 0.056 |
장애인좌석수 | 0.034 | 0.010 | 0.077 | 0.232 | 0.028 | 0.000 | 0.056 | 1.000 |
시험회차 | 시험장일련번호 | 교실번호 | 인원수 | 건물명 | 층명 | 추가좌석수 | 장애인좌석수 | |
---|---|---|---|---|---|---|---|---|
0 | 18 | 24 | 6 | 17 | 1학년관 | 3 | 2 | 0 |
1 | 18 | 24 | 5 | 17 | 1학년관 | 3 | 2 | 0 |
2 | 18 | 24 | 4 | 17 | 1학년관 | 3 | 2 | 0 |
3 | 18 | 24 | 3 | 17 | 1학년관 | 2 | 2 | 0 |
4 | 18 | 24 | 2 | 17 | 1학년관 | 2 | 2 | 0 |
5 | 18 | 24 | 1 | 18 | 1학년관 | 2 | 3 | 0 |
6 | 18 | 23 | 6 | 19 | 정보없음 | 3 | 4 | 0 |
7 | 18 | 23 | 5 | 19 | 정보없음 | 3 | 4 | 0 |
8 | 18 | 23 | 4 | 19 | 정보없음 | 3 | 4 | 0 |
9 | 18 | 23 | 3 | 20 | 정보없음 | 3 | 0 | 0 |
시험회차 | 시험장일련번호 | 교실번호 | 인원수 | 건물명 | 층명 | 추가좌석수 | 장애인좌석수 | |
---|---|---|---|---|---|---|---|---|
8647 | 1 | 1 | 10 | 30 | 정보없음 | <NA> | <NA> | 0 |
8648 | 1 | 1 | 9 | 30 | 정보없음 | <NA> | <NA> | 0 |
8649 | 1 | 1 | 8 | 30 | 정보없음 | <NA> | <NA> | 0 |
8650 | 1 | 1 | 7 | 30 | 정보없음 | <NA> | <NA> | 0 |
8651 | 1 | 1 | 6 | 30 | 정보없음 | <NA> | <NA> | 0 |
8652 | 1 | 1 | 5 | 30 | 정보없음 | <NA> | <NA> | 0 |
8653 | 1 | 1 | 4 | 30 | 정보없음 | <NA> | <NA> | 0 |
8654 | 1 | 1 | 3 | 30 | 정보없음 | <NA> | <NA> | 0 |
8655 | 1 | 1 | 2 | 30 | 정보없음 | <NA> | <NA> | 0 |
8656 | 1 | 1 | 1 | 30 | 정보없음 | <NA> | <NA> | 0 |