Shuffle a data frame just like shuffle in PHP — data

Shorthand to shuffle a data frame and save

Usage

data_shuffle(., which = c("rows", "cols"), seed = NULL)

Arguments

.: data to shuffle as data frame
which: what to shuffle, rows or columns
seed: apply seed if indicated for reproducibility

Value

shuffled data frame of items store to the data frame name

Examples

df1<-data.frame(ID=46:55,PK=c(rep("Treatment",5),rep("Placebo",5)))

#illustrate basic functionality
data_shuffle(df1)
df1 #shuffle and resaved to variable
#>    ID        PK
#> 3  48 Treatment
#> 9  54   Placebo
#> 8  53   Placebo
#> 4  49 Treatment
#> 5  50 Treatment
#> 6  51   Placebo
#> 1  46 Treatment
#> 2  47 Treatment
#> 10 55   Placebo
#> 7  52   Placebo

data.f2<-df1
data_shuffle(data.f2)
data.f2 #first output
#>    ID        PK
#> 6  51   Placebo
#> 7  52   Placebo
#> 5  50 Treatment
#> 8  53   Placebo
#> 2  47 Treatment
#> 3  48 Treatment
#> 10 55   Placebo
#> 4  49 Treatment
#> 1  46 Treatment
#> 9  54   Placebo

data.f2<-df1
data_shuffle(data.f2)
data.f2 # different output from first output top
#>    ID        PK
#> 9  54   Placebo
#> 6  51   Placebo
#> 7  52   Placebo
#> 10 55   Placebo
#> 4  49 Treatment
#> 2  47 Treatment
#> 8  53   Placebo
#> 5  50 Treatment
#> 3  48 Treatment
#> 1  46 Treatment

data.f2<-df1
data_shuffle(data.f2,seed = 344L)
data.f2 #second output
#>    ID        PK
#> 8  53   Placebo
#> 3  48 Treatment
#> 6  51   Placebo
#> 10 55   Placebo
#> 9  54   Placebo
#> 2  47 Treatment
#> 7  52   Placebo
#> 5  50 Treatment
#> 1  46 Treatment
#> 4  49 Treatment

data.f2<-df1
data_shuffle(data.f2,seed = 344L)
data.f2 #the same output as second output top
#>    ID        PK
#> 8  53   Placebo
#> 3  48 Treatment
#> 6  51   Placebo
#> 10 55   Placebo
#> 9  54   Placebo
#> 2  47 Treatment
#> 7  52   Placebo
#> 5  50 Treatment
#> 1  46 Treatment
#> 4  49 Treatment