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0

$begingroup$

This is something I have been wondering for ages but I am never able to get an answer.

I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.

For example, lets say we have a regular vector V with elements being real numbers.

Then to acess any number we would have

V[3] which would give the third element of said vector.

Now I want to know how to do this with say a dataframe D,

where each element of the dataframe is itself a vector or matrix, so that say

D[3] is not a real number, but a vector.

How can this be done in R?

Thanks all

r data code

share|improve this question

asked Mar 19 at 21:36

QualityQuality

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New contributor

Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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0

$begingroup$

This is something I have been wondering for ages but I am never able to get an answer.

I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.

For example, lets say we have a regular vector V with elements being real numbers.

Then to acess any number we would have

V[3] which would give the third element of said vector.

Now I want to know how to do this with say a dataframe D,

where each element of the dataframe is itself a vector or matrix, so that say

D[3] is not a real number, but a vector.

How can this be done in R?

Thanks all

r data code

share|improve this question

asked Mar 19 at 21:36

QualityQuality

1012

New contributor

Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

add a comment | 

$begingroup$

This is something I have been wondering for ages but I am never able to get an answer.

I am trying to understand how to make a dataframe in R, where each element of the dataframe is itself a vector or a matrix.

For example, lets say we have a regular vector V with elements being real numbers.

Then to acess any number we would have

V[3] which would give the third element of said vector.

Now I want to know how to do this with say a dataframe D,

where each element of the dataframe is itself a vector or matrix, so that say

D[3] is not a real number, but a vector.

How can this be done in R?

Thanks all

r data code

share|improve this question

asked Mar 19 at 21:36

QualityQuality

1012

New contributor

Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

share|improve this question

asked Mar 19 at 21:36

QualityQuality

1012

New contributor

Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked Mar 19 at 21:36

QualityQuality

1012

New contributor

Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked Mar 19 at 21:36

QualityQuality

1012

New contributor

Quality is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked Mar 19 at 21:36

QualityQuality

1012

1 Answer
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0

$begingroup$

Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.

Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)

share|improve this answer

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929

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0

$begingroup$

Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.

Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)

share|improve this answer

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929

$endgroup$

add a comment | 

0

$begingroup$

Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.

Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)

share|improve this answer

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929

$endgroup$

add a comment | 

$begingroup$

Dataframe is a representation of 2 D matrix in R. R does not support MultiIndex dataframes that can represent more complex structures.

Maybe you can model the problem as a Tensor ( https://cran.r-project.org/web/packages/tensorr/vignettes/introduction.html , https://www.rdocumentation.org/packages/rTensor/versions/1.4/topics/Tensor-class)

share|improve this answer

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929

$endgroup$

share|improve this answer

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929

answered Mar 20 at 10:06

Shamit VermaShamit Verma

91929