choose_samples.md
In UCSCXenaShiny: Interactive Analysis of UCSC Xena Data

In this step, you can filter suitable samples through two modules based on personalized analysis requirements;
In "quick filter" module, you can quickly filter samples based on the sample's code type such as normal/tumor (TCGA,PCAWG) or tissue type such as lung, liver (CCLE);

In "exact filter" module, you can execute detailed filter using multiple conditions for different phenotypes.

Firstly, you need to add one or multiple tumor data of interest as candidate filtering conditions;

Then, you can get an overview of the distribution of each candidate condition;

Finally, you can select one or more conditions from the candidate list for sample filtering. Different methods are provided for of different data types.

For character class, set "+" or "-" to retain or discard, respectively;

For numeric class, set ">" or "<" based on absolute values (min, max) or "%>" or "%<" based on percentile values (0,1).