class

Dataframe(Any)

Inherits Reference < Object

Constructors

new(data : Any, headers : Array(String) = [] of String, index_col : Int32 = -1)

gen_col_names(num)

load_csv(filename, index_col = -1, index_type = "datetime", index_format = "%Y-%m-%d %H:%M:%S", headers = true)

data

find_indexes(*columns : String)

headers

index_col

length

max(*columns : String)

mean(*columns : String) : Dataframe

min(*columns : String)

percentile(*columns : String, p : Float64)

plot(*columns : String, filename = Time.now.to_s)

shape

std(*columns : String)

sum(*columns : String)

to_csv(*columns, filename = Time.local.to_s, headers = true)