# Reorganization of data in matrix

Hi

I need to reorganize some data. Its seems like a simple problem but I never seem to end up with the right solution!

I have matrix like this. The first column is the group (all the sames are in the same group, hence all are '1'). The second column denotes all the observations from the same sample. So, the sample one has 4 observations, same for sample two same for sample four, sample five had 3 observations.

1 1 0.270588872500870

1 1 0.191034400222846

1 1 0.316821350897659

1 1 0.391794699189989

1 2 0.290746129652351

1 2 0.329669792655481

1 2 0.320279988895299

1 2 0.296043180762110

1 4 0.334951618712500

1 4 0.212164936092998

1 4 0.338920673290546

1 4 0.374281296411533

1 5 0.363666308502410

1 5 0.291735460896171

1 5 0.388343803429984

I want to reorganise this so that each sample is then in its own column, as per below.

0.270589 0.290746 0.334952 0.363666

0.191034 0.32967 0.212165 0.291735

0.316821 0.32028 0.338921 0.388344

0.391795 0.296043 0.374281

It seems a simple problem but I seem to have hit a brick wall!

Thanks

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