Run efourier directly on coordinate within a dataframe

[JohnSal1]

I will start with a praise; it is a wonderful package that I only discovered few days ago. My issue: I have field within a dataframe (e.g., mydata[2,2]) that describe closed object coordinates in this format X Y, X1 Y1, … Xn Yn. How can I run the efourier directly on this field?

[vbonhomme]

Sth around mutate(yourdf, coef=map(yourcol, efourier)). Cant check im afk for a month All the best

Le mer. 11 août 2021 20:00, JohnSal1 @.***> a écrit :

I will start with a praise; it is a wonderful package that I only discovered few days ago. My issue: I have field within a dataframe (e.g., mydata[2,2]) that describe closed object coordinates in this format X Y, X1 Y1, … Xn Yn. How can I run the efourier directly on this field?

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[JohnSal1]

Correcting my issue question, how to convert this closed object coordinates field to a list or a matrix of coordinates or a Out object so I can input them into the efourier command

[vbonhomme]

Out(yourdf$yourcol, select(yourdf, -yourcol))

Le jeu. 12 août 2021 16:10, JohnSal1 @.***> a écrit :

Correcting my issue question, how to convert this closed object coordinates field to a list or a matrix of coordinates or a Out object so I can input them into the efourier command

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[JohnSal1]

I am still struggling even in creating this Out object based on this simple code:

library(Momocs)

Obj1Fac <- as.data.frame(c("Temp"))
Obj1Matrix <- (matrix(1:10, ncol=2))
Obj1Matrix <- coo_close(Obj1Matrix)
Obj1 <- Out(Obj1Matrix, Obj1Fac) 

I get this Error in 1:k : NA/NaN argument

Why?

[vbonhomme]

Obj1matrix must be a list. See ?Out

Le jeu. 12 août 2021 20:44, JohnSal1 @.***> a écrit :

I am still struggling even in creating this Out object based on this simple code:

library(Momocs)

Obj1Fac <- as.data.frame(c("Temp")) Obj1Matrix <- (matrix(1:10, ncol=2)) Obj1Matrix <- coo_close(Obj1Matrix) Obj1 <- Out(Obj1Matrix, Obj1Fac)

I get this Error in 1:k : NA/NaN argument

Why?

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[JohnSal1]

Thanks