Mathematical operations 1, R

Mathematical operations 1

#R version 3.
#SOME OF THE MATHEMATICAL OPERATIONS IN R.
#TYPE OF SOME MATHS .
ans1=(pi^2)*2-sqrt(64)
ans1
ans2=abs(23-18*5/3-12)
ans2
ans3=factorial(4)+sqrt(125)+3*pi
ans3
#Natural log 
ans4=log(10)
ans4
#Simple log 
ans5=log(2,10)+log(16,base=4)+log10(5)
ans5
#EXPONENTIAL FUNCTION
ans6=exp(10)
ans6
ans7=log(22026.47)
ans7
ans8=log(10,5)
ans8
ans9=5^1.43677
ans9
#TRIGNOMETRY FUNCTION
ans10=sin(30*pi/180)
ans10
ans11=asin(0.5)*180/pi
ans11
#STORING THE RESULTS OF CALCULATION.
ans3.1=234*15/6-19*5+7*pi/3
ans3.1
ans3.2=ans1*ans2
ans3.2
#2.4:-Reading and getting data into R.
#2.4.1:- Using the combine command for making data .
#c(item1,item2,item3)
#Numerical data .
data2.4.1=c(2,5,8,10,15,12,9,41,48,19,20,58)
data2.4.1
data2.4.2=c(100:800)
data2.4.2
data2.4.3=c(data2.4.2,900:950)
data2.4.3
data2.4.2=c(data2.4.2,900:1000)
data2.4.2
#2.5=DATA AS TEXT ITEMS
#name=c('item1',"item2",'item3")
day1=c('mon',"tues",'wed')
day1
day1=c(day1,"thrus",'fri')
day1
mixdata=c(1,2,3,4,5,day1)
mixdata
#2.6:- The 'scan' command for making data .
#name=scan()
#2.6.1:- use the scan command to make numerical data
data2.6.11=scan()
2 4 6 8 9 40 30 68 98 119 115 120 55 67 87 89 56 54

data2.6.11
#2.6.2:- use the scan command to make the text data.
#name=scan(what='character')
data2.6.21=scan(what='character')
Mon tues wed 
Thrus fri

data2.6.21
data2.6.22=scan(what='character')
1 2 3 mon tues we'd
Thrus Frid satur

data2.6.22
#2.6.3:- using the clipboard to make data 
data2=scan()
44
65
56
76
87
67
45
90

data2
data2=scan(sep=',')
12,10,15,16, 20
18,17,19,32

data2


run \| edit \| history \| help	0