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DataFrame

typedef struct {
	double *data;
	int numRows;
	int numCols;
	char **featureNames;
} DataFrame;

Represents a matrix with names for each column.

Data is stored as a row-major flattened array.

note

Added in version 0.0.0

Struct Members​

  • double* data ← Flattened array
  • int numRows ← Number of rows (samples)
  • int numCols ← Number of columns (features) per row
  • char** featureNames ← Array of column/feature names
  • DF_addColumn → int
    Adds a single column/feature to an existing DataFrame.
    Params: DataFrame *df double *data char *name
  • DF_free → void
    Frees all allocated memory by the DataFrame.
    Params: DataFrame *df
  • DF_fromArray → DataFrame
    Creates a DataFrame with one feature from the given array.
    Params: double *data int numRows char *name