<prompt> Translate the following text to EnglishMfululizo wa muda unaolinganisha viwango vya ukosefu wa kazi ya mahali hapo na viwango vya uwekaji kwa washiriki wa programu ya mafunzo ya kazi inaweza kuhesabiwa kwa kiasi na mabadiliko ya tafsiri kupitia data ya mfululizo wa muda wa ubora zaidi kuhusu programu.  <response>: A time series comparing local unemployment rates with placement rates for job training program participants could be computed quantitatively and changes interpreted through the more qualitative time series data about the program. 