library(pacman)
p_load(ggplot2movies, tidyverse)
head(movies)
## # A tibble: 6 x 24
##   title  year length budget rating votes    r1    r2    r3    r4    r5    r6
##   <chr> <int>  <int>  <int>  <dbl> <int> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
## 1 $      1971    121     NA    6.4   348   4.5   4.5   4.5   4.5  14.5  24.5
## 2 $100…  1939     71     NA    6      20   0    14.5   4.5  24.5  14.5  14.5
## 3 $21 …  1941      7     NA    8.2     5   0     0     0     0     0    24.5
## 4 $40,…  1996     70     NA    8.2     6  14.5   0     0     0     0     0  
## 5 $50,…  1975     71     NA    3.4    17  24.5   4.5   0    14.5  14.5   4.5
## 6 $pent  2000     91     NA    4.3    45   4.5   4.5   4.5  14.5  14.5  14.5
## # … with 12 more variables: r7 <dbl>, r8 <dbl>, r9 <dbl>, r10 <dbl>,
## #   mpaa <chr>, Action <int>, Animation <int>, Comedy <int>, Drama <int>,
## #   Documentary <int>, Romance <int>, Short <int>
movies %>% select(starts_with("m"), starts_with("r"))
## # A tibble: 58,788 x 13
##    mpaa  rating    r1    r2    r3    r4    r5    r6    r7    r8    r9   r10
##    <chr>  <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
##  1 ""       6.4   4.5   4.5   4.5   4.5  14.5  24.5  24.5  14.5   4.5   4.5
##  2 ""       6     0    14.5   4.5  24.5  14.5  14.5  14.5   4.5   4.5  14.5
##  3 ""       8.2   0     0     0     0     0    24.5   0    44.5  24.5  24.5
##  4 ""       8.2  14.5   0     0     0     0     0     0     0    34.5  45.5
##  5 ""       3.4  24.5   4.5   0    14.5  14.5   4.5   0     0     0    24.5
##  6 ""       4.3   4.5   4.5   4.5  14.5  14.5  14.5   4.5   4.5  14.5  14.5
##  7 "R"      5.3   4.5   0     4.5   4.5  24.5  24.5  14.5   4.5   4.5  14.5
##  8 ""       6.7   4.5   4.5   4.5   4.5   4.5  14.5  14.5  14.5   4.5  14.5
##  9 ""       6.6   4.5   4.5   4.5   0     0     0    34.5  14.5   4.5  24.5
## 10 ""       6     4.5   0     4.5   4.5   4.5  44.5  14.5   4.5   4.5   4.5
## # … with 58,778 more rows, and 1 more variable: Romance <int>
irisImperial<- iris %>% mutate(Species = toupper(Species),
                Sepal.Width = Sepal.Width/2.5,
                Sepal.Length = Sepal.Length/2.5,
                Petal.Width = Petal.Width/2.5,
                Petal.Length = Petal.Length/2.5)
head(irisImperial)
##   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
## 1         2.04        1.40         0.56        0.08  SETOSA
## 2         1.96        1.20         0.56        0.08  SETOSA
## 3         1.88        1.28         0.52        0.08  SETOSA
## 4         1.84        1.24         0.60        0.08  SETOSA
## 5         2.00        1.44         0.56        0.08  SETOSA
## 6         2.16        1.56         0.68        0.16  SETOSA