checkNegValueDS {dsBase} | R Documentation |

## Checks if a numeric variable has negative values

### Description

this function is only called by the client function `ds.glm`

.

### Usage

```
checkNegValueDS(weights)
```

### Arguments

### Details

if a user sets the parameter 'weights' on the client site function `ds.glm`

this
server side function is called to verify that the 'weights' vector does not have negative values
because no negative are allowed in weights.

### Value

a boolean; TRUE if the vector has one or more negative values and FALSE otherwise

### Author(s)

Gaye, A.

[Package *dsBase* version 6.3.0 ]