# VAS

From bda v14.1.4
by Bin Wang

##### Algorithms for Visual Analogue Scales

Algorithms for VAS. The algorithms are applicable to other numerical variables with measurement errors as well.

- Keywords
- Measurement error

##### Usage

`VAS.ecdf(x,alpha=0.05)`

##### Arguments

- x
Raw data

- alpha
Significance level for confidence bands.

##### Value

Estimate of the emprical distribution function.

grid points

ECDF value Fn(x)

lower and upper confidence bands of ECDF.

significance level

raw data

Draw ECDF if TRUE.

##### Examples

```
# NOT RUN {
x <- rnorm(100, -2.6, 3.1)
# }
```

*Documentation reproduced from package bda, version 14.1.4, License: Unlimited*

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