s are 'Double' and 'Single'. Single
precision is accurate up to 7 digits after decimal place and uses
50\% less memory usage when compared to double precision.</li>

<li>pca_opts.eig_solver - Options are 'Selective' and 'All'. These
options will be used only when you use packed storage scheme. Use
option 'All' only when there are convergence issues with the option
'Selective'.</li>

</ul>

<li> Expectation Maximization:


<ul> 
<li> pca_opts.stack_data - Options are as follows:</li>


<ul>