Description Usage Arguments Value Author(s)

Adaptations of common summary statistical functions
to return `NA`

if all elements of `x`

are `NA`

. The prefix 'sp' could
be thought of as 'special'. These are internal functions used by
`summaryStats`

.

1 2 3 4 5 6 7 | ```
sp.min(x)
sp.max(x)
sp.sum(x)
sp.count(x)
sp.mean(x)
sp.skewness(x)
sp.kurtosis(x)
``` |

`x` |
Numeric vector |

`sp.min`

, `sp.max`

, `sp.sum`

operate just like
`min`

, `max`

, and `sum`

except they
return `NA`

if all elements of `x`

are `NA`

.

`sp.count`

returns the number of non-missing values in the vector.
However, if all values are missing, it returns `NA`

.

Landon Sego

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