freqdist1 {lazy.tools} R Documentation

## Frequency distribution of univariate numeric data with case weight

### Description

Frequency distribution of univariate numeric data with case weight

### Usage

```freqdist1(
x,
weights = 1,
npoints = 7,
min = NULL,
max = NULL,
prob = 0,
midpoints = NULL,
wid = 6,
dig = 1,
maxf = NULL,
title = NULL,
digits = 3,
print = 0,
plot = 0
)
```

### Arguments

 `x` numeric vector or column vector `weights` case weight Can be a scalar, vector of size length(x) or matrix of length(x) x nf. If nf > 1, frequency for each column of weights will be calculated. `npoints` # of mid-points `min` minimum value of mid-points `max` maximum value of mid-points `prob` = 1 to return relative frequency in stead of frequency `midpoints` vector of predefied mid-point values `wid` Format of mid-point value (wid.dig) `dig` Format of mid-point value (wid.dig) `maxf` max value of frequency for plot `title` tile to be used in plot `digits` Format for mid-points `print` = 1 to print result `plot` = 1 to plot historgam

### Details

(npoints, min, max) defines the mid-points.
If min or max is NULL, min(x) and max(x) will be used.
midpoints has priority over (npoints, min, max).
The out of range observations, that is, those x satisfying
x < midpoints or midpoints[npoints] < x
will be be included in midpoints and midpoints[npoints], resp.

Try this to see how the obs on the border are classified.
xx=c(1,2,3,4,5,6,7)
brks=c(0,2,4,6,8)
cc=cut(xx,brks)

### Value

A list consisting of
midpoints = midpoints
freq = column vector of frequency at midpoints
breaks = breaks associated with the midpoints
class = classification of each obs into the midpoints
nobs = sum of case weights
error = error flag

### Examples

```set.seed(1701)
n <- 10000
npoints <- 21
x <- rnorm(n)
res <- freqdist1( x, npoints=npoints,min=-3,max=3, print=1, plot=1 )
res1 <- freqdist1( x, midpoints=res\$midpoints, print=1 )
weight=c(0,1,3,4,2,2,1)
freqdist1(seq(-3,3,1),weight, min=-3,max=3,npoints=7, print=1,plot=1)
rm(x)

```

[Package lazy.tools version 0.1.3 Index]