data_push {quickcode}

Add data to another data like array_push in PHP

Description

Shorthand to add data to a dataset and save as the same name

Usage

data_push(., add, which = c("rows", "cols"))

Arguments

.

first data set

add

data set to add

which

where to append the new data e.g. rows or cols

Value

the combined dataset store to a variable with the name of the first

Examples

# initialize p1 and p2
init(p1,p2)
p1
p2

# declare p1 and p2 as data frame
p1 <- data.frame(PK=1:10,ID2=1:10)
p2 <- data.frame(PK=11:20,ID2=21:30)

p1
p2

#add p1 to p2 by row, and resave as p1
data_push(p1,p2,"rows")
# p2 # p2 remains the same
p1 #p1 has been updated

# declare a new data frame called p3
p3 <- data.frame(Hindex=number(20),Rindex=number(20,seed=20))

# add p3 to p1 as column, and resave as p1
data_push(p1,p3,"cols")
p1 # p1 has been updated