Hello, This question has already been asked several times (here for example How to set a index in Julia's DataFrame? - Stack Overflow ) but I still don’t understand why DataFrame.jl doesn’t have an index_col parameter like there is in Pandas ( pandas.read_csv — pandas 2.0.3 documentation ). Is it beca…

I think that OP wasn’t asking about the most efficient way, but the simplest approach. If you want to keep your code simple, my recommendation is the following: df = DataFrame(id = 1:5, weight= 56:60, age = 26:30) df[df.id .== 1, :age] # for returning a value/vector df[df.id .== 1, [:age]] # fo…

Why is it so complicated to access a row in a DataFrame?

General Usage

mbauman Split this topic August 24, 2023, 7:12pm 5

3 posts were split to a new topic: Performance of eachrow(::DataFrame)

Topic		Replies	Views
Easier access to DataFrame's elements General Usage	6	1821	September 28, 2018
Any plan for functionality like Pandas loc? General Usage dataframes	15	1200	May 27, 2022
How to select dataframe rows in Julia 1.6? New to Julia question	1	5236	May 7, 2021
Is there a faster way to extract single rows of a dataframe than the filter function General Usage	3	660	February 18, 2020
Large dataframe. fast row selection Data query , dataframes	5	2421	September 13, 2018

Why is it so complicated to access a row in a DataFrame?

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