func (df DF) IntColByName(name string) ([]IntVal, error) {
	i, ok := df.mci.nameToCol[name]
	if !ok {
		return nil, dfErrorf("Unknown column name: %q", name)
	}

	ci := df.mci.info[i]
	if err := assertTypeByName(ci.colType, ColTypeInt, name); err != nil {
		return nil, err
	}

	return df.intCols[df.mci.valIdx[i]], nil
}
// IntColByName returns the slice of IntVals for the named column. The error
// is non-nil if there is a problem (no such column or it's not an int
// column)
IntColByName returns the slice of IntVals for the named column. The error
is non-nil if there is a problem (no such column or it's not an int
column)
// IntColByName returns the slice of IntVals for the named column . The error // is non - nil if there is a problem ( no such column or it ' s not an int // column )
func (df DF) IntColByName(name string) ([]IntVal, error) {
	i, ok := df.mci.nameToCol[name]
	if !ok {
		return nil, dfErrorf("Unknown column name: %q", name)
	}
	ci := df.mci.info[i]
	if err := assertTypeByName(ci.colType, ColTypeInt, name); err != nil {
		return nil, err
	}
	return df.intCols[df.mci.valIdx[i]], nil
}
func ( df DF ) IntColByName ( name string ) ( [ ] IntVal , error ) { i , ok := df . mci . nameToCol [ name ] if ! ok { return nil , dfErrorf ( " " , name ) } ci := df . mci . info [ i ] if err := assertTypeByName ( ci . colType , ColTypeInt , name ) ; err != nil { return nil , err } return df . intCols [ df . mci . valIdx [ i ] ] , nil }
IntColByName returns the slice of IntVals for the named column.
IntColByName returns the slice of IntVals for the named column .