Basic Commands

Asignacion de Variables

x=3
y=2

Impresion de Resultados

x
## [1] 3
y
## [1] 2

Operaciones Aritmeticas

suma=x+y
suma
## [1] 5
resta=x-y
resta
## [1] 1
multiplicacion=x*y
multiplicacion
## [1] 6
division=x/y
division
## [1] 1.5
division_entera=x%/%y
division_entera
## [1] 1
residuo=x%%y
residuo
## [1] 1
potencia=x^y
potencia
## [1] 9

Funciones Matematicas

raiz_cuadrada=sqrt(x)
raiz_cuadrada
## [1] 1.732051
raiz_cubica=x^(1/3)
raiz_cubica
## [1] 1.44225
exponencial=exp(1)
exponencial
## [1] 2.718282
absoluto=abs(x)
absoluto
## [1] 3
signo=sign(x)
signo
## [1] 1
redondeo_arriba=ceiling(division)
redondeo_arriba
## [1] 2
redondeo_abajo=floor(division)
redondeo_abajo
## [1] 1
truncar=trunc(division)
truncar
## [1] 1

Constantes

pi
## [1] 3.141593
radio=5
area_circulo=pi*radio^2
area_circulo
## [1] 78.53982

Vectores

a=c(1,2,3,4,5)
a
## [1] 1 2 3 4 5
b=c(1:100)
b
##   [1]   1   2   3   4   5   6   7   8   9  10  11  12  13  14  15  16  17  18
##  [19]  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36
##  [37]  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54
##  [55]  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72
##  [73]  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90
##  [91]  91  92  93  94  95  96  97  98  99 100
c=c("pera","mango","manzana","kiwi","fresa")
c
## [1] "pera"    "mango"   "manzana" "kiwi"    "fresa"
longitud=length(a)
longitud
## [1] 5
promedio=mean(a)
promedio
## [1] 3
resumen=summary
resumen
## function (object, ...) 
## UseMethod("summary")
## <bytecode: 0x0000023716d31590>
## <environment: namespace:base>
orden_Ascendente=sort(a)
orden_Ascendente
## [1] 1 2 3 4 5
orden_Descendente=sort(a,decreasing=TRUE)
orden_Descendente
## [1] 5 4 3 2 1
d=c(1,2,3,4,5)
d
## [1] 1 2 3 4 5
suma_vectores=a+d
suma_vectores
## [1]  2  4  6  8 10

Graficar

plot(a,d,main='Ventas por mes',xlab='Mes', ylab='Millones USD',type='b')