update dataset card

README.md

@@ -101,22 +101,30 @@ This dataset should not be used for:
 
 [More Information Needed]
 
+### Splits
+
+- **Train**: Contains the entirety of the dataset for analysis. No explicit validation or test splits are provided.
+
 ## Dataset Creation
 
 ### Curation Rationale
 
 <!-- Motivation for the creation of this dataset. -->
 
+Confirm the methodology behind the binary essentiality calls in Genome-wide CRISPR Screens Using Isogenic Cells Reveal Vulnerabilities Conferred by Loss of Tumor Suppressors manuscript by Feng et al.
+
 [More Information Needed]
 
 ### Source Data
 
-[Master_QBF_293A_Xu_Feng_Tm_Sup_scr_042320](https://figshare.com/articles/dataset/Feng_Tang_Dede_et_al_2022/19398332?file=34466975)
+[Table_S2_binary_calls.txt](https://figshare.com/articles/dataset/Feng_Tang_Dede_et_al_2022/19398332?file=34466981)
 
 #### Data Collection and Processing
 
 <!-- This section describes the data collection and processing process such as data selection criteria, filtering and normalization methods, tools and libraries used, etc. -->
 
+[Binary_essentiality_calls_analysis_Feng_et_al](https://figshare.com/articles/dataset/Feng_Tang_Dede_et_al_2022/19398332?file=34466987)
+
 [More Information Needed]
 
 #### Who are the source data producers?