如何引用 r 中的列中的值？

Question

I am working with clinical data that includes the patient names as rows and the proteins as columns. An extra column includes the white cell count for the patients and the values are Low, Medium, and High. How do I create a table that only includes patients with low white cell count Here is an image of my table. The column names are protein IDs

Answer 1

If you are familiar with tidyverse , this is one way you could do it;

df %>%
   filter(wcc_group == "Low")

Or, you could use base-r

df <- subset(df, subset = (wcc_group == "Low"))

Where df is the name of your data.frame .