Frequencies for first 10,000 rows of measurename variable in hqi_hosp_img datas Measure Name | Freq. Percent Cum. ----------------------------------------+----------------------------------- Abdomen CT Use of Contrast Material | 1,667 16.67 16.67 MRI Lumbar Spine for Low Back Pain | 1,667 16.67 33.34 Mammography Follow-up Rates | 1,667 16.67 50.01 Outpatients who got cardiac imaging s.. | 1,667 16.67 66.68 Outpatients with brain CT scans who g.. | 1,666 16.66 83.34 Thorax CT Use of Contrast Material | 1,666 16.66 100.00 ----------------------------------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 16 Nov 2016