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  • Error Running xtcsd test

    Hi Dear,

    When I run xtcsd, pesaran after estimating fixed effects model in Stata.....I get the error saying "unknown function *sqrt()
    r(133);"
    and when I run xtcsd, frees or xtcsd, friedman....In both cases, I get the error saying "no observations
    r(2000);"

    Can you please guide me what can be the possible reasons for these errors?

    Thank you.

  • #2
    Hi Sidra,
    I think a very similar question was asked here:

    https://www.statalist.org/forums/for...-function-sqrt

    Hopefully this helps.
    Best,
    Jan

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