plm random effect: the estimated variance of the individual effect is negative
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Thread (3 messages)
matteo ognibene
plm random effect: the estimated variance of the individual effect is negative
Jan 3
David Winsemius
plm random effect: the estimated variance of the individual effect is negative
Jan 3
matteo ognibene
plm random effect: the estimated variance of the individual effect is negative
Jan 4