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    <p>Joao,</p>
    <p>Your R code does not work as the information on 'lcmbi' is not
      part of the dataset you sent:</p>
    <p><font size="-1">> ies.da.lcmbi = ies.da %>%
        filter(is.na(lcmbi) == FALSE)<br>
        Error: object 'lcmbi' not found<br>
        Execution halted</font></p>
    <p>Best wishes, Guido</p>
    <blockquote type="cite"
cite="mid:CAF8zgfZzGzMRPsipPQ3tncrTrd3C9wqCj-3yTeoRgrY7jtVWyw@mail.gmail.com"></blockquote>
    <pre class="moz-signature" cols="72">-- 
Dr. Guido Schwarzer
Institute of Medical Biometry and Statistics,
Faculty of Medicine and Medical Center - University of Freiburg

Postal address: Stefan-Meier-Str. 26, D-79104 Freiburg

Phone: +49/761/203-6668
Mail: <a class="moz-txt-link-abbreviated" href="mailto:sc@imbi.uni-freiburg.de">sc@imbi.uni-freiburg.de</a>
Homepage: <a class="moz-txt-link-freetext" href="http://www.imbi.uni-freiburg.de">http://www.imbi.uni-freiburg.de</a>

ORCID iD: <a class="moz-txt-link-freetext" href="https://orcid.org/0000-0001-6214-9087">https://orcid.org/0000-0001-6214-9087</a>
R-book: <a class="moz-txt-link-freetext" href="https://www.springer.com/gp/book/9783319214153">https://www.springer.com/gp/book/9783319214153</a></pre>
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