Synopsis
In Lecture 8, we were introduced to a variety of mid- and low-level file I/O functions. We will use those functions today to extract data from a real-world dataset. Our primary goal will be to extract the age at initial diagnosis for GBM patients involved in the TCGA project1, and plot that data as a histogram.
Daily Quiz
Lab 8
Download and work through the m-file and associated data file below
lab8_20160330.m
nationwidechildrens.org_clinical_patient_gbm.txt
Answer Key
Final Word
As you can see, real-world data files are not often nicely formatted. Having access to low-level I/O functions is critical to extracting the data needed for downstream analysis.