ASIN Oracle Function [Oracle, Pandas, R Prog, Dplyr, Sqldf, Pandasql, Data.Table, DuckDB]

* 파이썬 & R 패키지 호출 및 예제 데이터 생성 링크

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ASIN 함수

 

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ASIN(n)은 n의 역사인(arc sine) 값을 반환한다.

인수 n은 -1 ~ 1의 범위이고, 반환값은 라디안으로 표현되는 -pi/2~pi/2의 범위 값이다.

 

• 함수 설명 : ASIN 오라클 함수 링크

 

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1. Oracle(오라클)

 

Oracle Programming

SELECT ASIN(.3) "Arc_Sine"
FROM   DUAL;

 

Results

              Arc_Sine
.3046926540153975079720029612275291599

 

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2. Python Pandas(파이썬)

 

Python Programming

import math

math.asin(.3)

 

Results

0.3046926540153975

 

• 수치형 목록 예제

Python Programming

emp.sal.apply(lambda x: math.asin(x/10000)).head()

 

Results

0    0.080086
1    0.160691
2    0.125328
3    0.302073
4    0.125328
Name: sal, dtype: float64

 

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3. R Programming (R Package)

 

R Programming

%%R

asin(.3)

 

Results

[1] 0.3046927

 

• 수치형 목록 예제

R Programming

%%R

asin(emp$sal/10000)

 

Results

 [1] 0.08008558 0.16069065 0.12532783 0.30207302 0.12532783 0.28900643
 [7] 0.24751969 0.30469265 0.52359878 0.15056827 0.11022305 0.09514348
[13] 0.30469265 0.13036898

 

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4. R Dplyr Package

 

R Programming

%%R

emp %>%
  dplyr::mutate(sal_asin = asin(sal / 10000)) %>%
  head()

 

Results

# A tibble: 6 x 9
  empno ename  job        mgr hiredate     sal  comm deptno sal_asin
                      
1  7369 SMITH  CLERK     7902 1980-12-17   800    NA     20   0.0801
2  7499 ALLEN  SALESMAN  7698 1981-02-20  1600   300     30   0.161 
3  7521 WARD   SALESMAN  7698 1981-02-22  1250   500     30   0.125 
4  7566 JONES  MANAGER   7839 1981-04-02  2975    NA     20   0.302 
5  7654 MARTIN SALESMAN  7698 1981-09-28  1250  1400     30   0.125 
6  7698 BLAKE  MANAGER   7839 1981-03-01  2850    NA     30   0.289 

 

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5. R sqldf Package

• Contributed Files : https://www.sqlite.org/contrib?orderby=name

R Programming

%%R

sqldf("select asin(.3) Arc_Sine ")

 

Results

   Arc_Sine
1 0.3046927

 

• 수치형 목록 예제

R Programming

%%R

sqldf("select asin(sal / 10000) Arc_Sine from emp ")[1:5,]

 

Results

[1] 0.08008558 0.16069065 0.12532783 0.30207302 0.12532783

 

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6. Python pandasql Package

Python Programming

ps.sqldf(" select sin(.3) ")

 

Python Programming

import pandasql as ps
var = math.asin(.3)

query = "SELECT {}  ".format(var)
ps.sqldf(query, globals())

 

Results

	0.3046926540153975
0	0.304693

 

 

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7. R data.table Package

 

R Programming

%%R

DT <- data.table(emp)

DT[, sal_asin := asin(sal / 10000)][1:5,]

 

Results

   empno  ename      job  mgr   hiredate  sal comm deptno   sal_asin
1:  7369  SMITH    CLERK 7902 1980-12-17  800   NA     20 0.08008558
2:  7499  ALLEN SALESMAN 7698 1981-02-20 1600  300     30 0.16069065
3:  7521   WARD SALESMAN 7698 1981-02-22 1250  500     30 0.12532783
4:  7566  JONES  MANAGER 7839 1981-04-02 2975   NA     20 0.30207302
5:  7654 MARTIN SALESMAN 7698 1981-09-28 1250 1400     30 0.12532783

 

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8. Python Duckdb의 SQL

 

Python Programming

%%sql
  SELECT ASIN(.3) "Arc_Sine"

 

Python Programming

print(duckdb.sql(" SELECT ASIN(.3) Arc_Sine ").df() )

 

Results

   Arc_Sine
0  0.304693

 

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[Oracle, Pandas, R Prog, Dplyr, Sqldf, Pandasql, Data.Table] 오라클 함수와 R & Python 비교 사전 목록 링크

 

오라클 SQL 함수(Oracle SQL Function) 목록 리스트 링크

 

[SQL, Pandas, R Prog, Dplyr, SQLDF, PANDASQL, DATA.TABLE] SQL EMP 예제로 만나는 테이블 데이터 처리 방법 리스트 링크 링크