clean up filter and aggregation output
clean up filter and aggregation output

- explicitly subset to the run's samples
- transpose so R doesn't have to later
- ensure index columns are labeled

DCGenomics/Pharmacogenomics_Prediction_Pipeline_P3,DCGenomics/multiple_myeloma_rnaseq_drug_response_hackathon_v002,DCGenomics/multiple_myeloma_rnaseq_drug_response_hackathon_v002,daler/Pharmacogenomics_Prediction_Pipeline_P3,DCGenomics/multiple_myeloma_rnaseq_drug_response_hackathon_v002,NCBI-Hackathons/Pharmacogenomics_Prediction_Pipeline_P3,DCGenomics/Pharmacogenomics_Prediction_Pipeline_P3,DCGenomics/Pharmacogenomics_Prediction_Pipeline_P3,daler/Pharmacogenomics_Prediction_Pipeline_P3,daler/Pharmacogenomics_Prediction_Pipeline_P3,NCBI-Hackathons/Pharmacogenomics_Prediction_Pipeline_P3,NCBI-Hackathons/Pharmacogenomics_Prediction_Pipeline_P3