# Cummulative count of adopters

### Description

For each time period, calculates the number of adopters, the proportion of adopters, and the adoption rate.

### Usage

1 | ```
cumulative_adopt_count(obj)
``` |

### Arguments

`obj` |
A |

### Details

The rate of adoptionâ€“returned in the 3rd row out the resulting matrixâ€“is calculated as

*[q(t) - q(t-1)]/q(t-1)*

where *q(i)* is the number of adopters in time *t*. Note that
it is only calculated fot *t>1*.

### Value

A *3 * T* matrix, where its rows contain the number of adoptes, the proportion of
adopters and the rate of adoption respectively, for earch period of time.

### Author(s)

George G. Vega Yon, Stephanie R. Dyal, Timothy B. Hayes & Thomas W. Valente

### See Also

Other statistics: `classify_adopters`

,
`dgr`

, `ego_variance`

,
`exposure`

, `hazard_rate`

,
`infection`

, `moran`

,
`struct_equiv`

, `threshold`

,
`vertex_covariate_dist`