[R] problem when extacting columns of a data frame in a new data frame

Dear R-users, I would like to create a new data frame composed of 2 columns of another data frame. But it does not give me what I want... casesCNST[1:10,] case X1 X2 X3 X4 expected 1A1 0 0 0 0E 2A2 0 0 0 1C 3A3 0 0 0 2C 4A4 0 0 0 3

Re: [R] problem when extacting columns of a data frame in a new data frame

Delphine Fontaine delphine.fontaine at genexion.com writes: I would like to create a new data frame composed of 2 columns of another data frame. But it does not give me what I want... casesCNST[1:10,] case X1 X2 X3 X4 expected 1A1 0 0 0 0E 2A2 0 0 0 1C

Re: [R] problem when extacting columns of a data frame in a new data frame

Delphine Fontaine a écrit : Dear R-users, I would like to create a new data frame composed of 2 columns of another data frame. But it does not give me what I want... casesCNST[1:10,] case X1 X2 X3 X4 expected 1A1 0 0 0 0E 2A2 0 0 0 1C 3A3 0 0