sample_annotation {CEMiTool} | R Documentation |
Retrive or set the sample_annotation attribute
sample_annotation(cem) ## S4 method for signature 'CEMiTool' sample_annotation(cem) sample_annotation(cem, sample_name_column = "SampleName", class_column = "Class") <- value ## S4 replacement method for signature 'CEMiTool' sample_annotation(cem, sample_name_column = "SampleName", class_column = "Class") <- value
cem |
Object of class |
sample_name_column |
A string containing the name of a column which should be used as a unique identifier for samples in the file. Only used when assigning a sample annotation data.frame. Default: "SampleName". |
class_column |
A string containing the name of a column which should be used to identify different sample groups. Only used when assigning a sample annotation data.frame. Default: "Class" |
value |
A data.frame containing the sample annotation, should have at least two columns containing the Class and the Sample Name that should match with samples in expression |
A data.frame containing characteristics of each sample.
# Get example expression data data(expr0) # Get example sample_annotation data data(sample_annot) # Initialize CEMiTool object with expression cem <- new_cem(expr0) # Add sample annotation file to CEMiTool object sample_annotation(cem, sample_name_column="SampleName", class_column="Class") <- sample_annot # Check annotation head(sample_annotation(cem))