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# On masking of and by other functions in package "distr"
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Attention:
*** intentional masking: ***
To be able to use the same symbol for (theoretical) distributional
arguments as for (empirical) data arguments in case of 'sd'
and 'qqplot', and to be able to use it as accessor to corresponding
slots in case of 'df', we intentionally mask the following functions
--- however all these functions may still be used in exactly the
same way as before masking:
+sd() (package "stats")
+df() (package "stats")
+qqplot() (package "stats")
To be able to use the same symbol for objects of S4-classes,
'PosSemDefSymmMatrix', 'matrix', respectively,
we intentionally mask the following functions --- however these
functions may again still be used in exactly the same way as before
masking:
+solve() (package "base")
+sqrt() (package "base")
solve() more specifically will first try the 'usual' methods and
if this fails due to singularity, it will use 'ginv' for usual
matrices and an adapted eigen decomposition for 'PosSemDefSymmMatrix'.
*** non-intentional masking: ***
... nothing discovered so far ...
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