@staticmethod
def lineGenerator(key, value, colIds):
    """Generates a PSI line from a single event

        key -- id of the event.
        value -- the dictionary containning all column names and psi values calculated.
        colIds -- list containing the column names
        """
    line = []
    line.append(key)
    for x in colIds:
        line.append(str(value[x]))
    return line
