authorProdOverTime {bibliometrix} | R Documentation |

## Top-Authors' Productivity over Time

### Description

It calculates and plots the author production (in terms of number of publications) over the time.

### Usage

```
authorProdOverTime(M, k = 10, graph = TRUE)
```

### Arguments

`M` |
is a bibliographic data frame obtained by |

`k` |
is a integer. It is the number of top authors to analyze and plot. Default is |

`graph` |
is logical. If TRUE the function plots the author production over time graph. Default is |

### Value

The function `authorProdOverTime`

returns a list containing two objects:

`dfAU` | is a data frame | |

`dfpapersAU` | is a data frame | |

`graph` | a ggplot object |

### See Also

`biblioAnalysis`

function for bibliometric analysis

`summary`

method for class '`bibliometrix`

'

### Examples

```
data(scientometrics, package = "bibliometrixData")
res <- authorProdOverTime(scientometrics, k=10)
print(res$dfAU)
plot(res$graph)
```

[Package

*bibliometrix*version 4.2.0 Index]