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stats/base/univariate  - Univariate utilities

 mean v arithmetic mean geomean v geometric mean harmean v harmonic mean commonmean v common mean dev v deviation from mean ssdev v sum of squared deviations var v sample variance stddev v standard deviation varp v population variance stddevp v population standard deviation skewness v skewness kurtosis v kurtosis min v minimum max v maximum midpt v index of midpoint median v median cile v x cile values of y dstat v descriptive statistics freqcount v frequency count histogram v histogram kurtosis v 4th moment coefficient skewness v 3rd moment coefficient

### mean

mean (v) arithmetic mean

### geomean

geomean (v) geometric mean

### harmean

harmean (v) harmonic mean

### commonmean

commonmean (v) common mean

### dev

dev (v) deviation from mean

### ssdev

ssdev (v) sum of squared deviations

### var

var (v) sample variance

### stddev

stddev (v) standard deviation

### varp

varp (v) population variance

### stddevp

stddevp (v) population standard deviation

### skewness

skewness (v) skewness

### kurtosis

kurtosis (v) kurtosis

min (v) minimum

max (v) maximum

### midpt

midpt (v) index of midpoint

### median

median (v) median

```cile v         x cile values of y
dstat v        descriptive statistics
freqcount v    frequency count
histogram v    histogram
```

### cile

cile (v) x cile values of y

```eg: 3 cile i.12
```

### dstat

dstat (v) descriptive statistics

```table of formatted descriptive statistics
```

### freqcount

freqcount (v) frequency count

```(value, frequency) sorted by decreasing frequency
```

### histogram

histogram (v) histogram

```x is a list of interval start points.
y is an array of data.
The result is a list of counts of the number of data points in each interval.
```

### kurtosis

kurtosis (v) 4th moment coefficient

### skewness

skewness (v) 3rd moment coefficient