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erm..now i change my data and it came up with en error displaying'near singular matrix'..any recommendations to remedy it ?

hi. actually i am havin a bit of problem with alpha series.I am supposed to do a regression on a set of values.and the data i imported from excel are all in numeric form..but 2 sets of data after i import into eveiws it became alpha series and could not be regressed with the other datasets.so is the...