search for: pi_k

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2009 Apr 15
2
HTML help
Hi,guys, HTML help is not right for math formula: For example: I got the following formula in help page of ca.jo in urca package: <p align="center"><i><B>X</B>_t = <B>Pi</B>_1 <B>X</B>_{t-1} + ... + <B>Pi</B>_k <B>X</B>_{t-k} + <B>&mu;</B> + <B>Phi D</B>_t +