Missing or unexported object: 'spatstat.core::rmh'
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  '[spatstat.core]{rThomas}'

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building 'Biodiversity_Changes.Rmd' using rmarkdown
--- finished re-building 'Biodiversity_Changes.Rmd'

--- re-building 'Biodiversity_Patterns.Rmd' using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Biodiversity_Patterns.Rmd'

--- re-building 'Introduction_mobsim.Rmd' using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Introduction_mobsim.Rmd'

--- re-building 'Sampling_communities.Rmd' using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Sampling_communities.Rmd'

--- re-building 'Simulating_communities.Rmd' using rmarkdown
--- finished re-building 'Simulating_communities.Rmd'

SUMMARY: processing the following files failed:
  'Biodiversity_Patterns.Rmd' 'Introduction_mobsim.Rmd'
  'Sampling_communities.Rmd'

Error: Vignette re-building failed.
Execution halted
Missing or unexported object: ‘spatstat.core::rmh’
Missing link or links in documentation object ‘sim_thomas_coords.Rd’:
  ‘[spatstat.core]{rThomas}’

See section ‘Cross-references’ in the ‘Writing R Extensions’ manual.
'LazyData' is specified without a 'data' directory
Running examples in ‘mobsim-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘Biodiversity_Changes.Rmd’ using rmarkdown
--- finished re-building ‘Biodiversity_Changes.Rmd’

--- re-building ‘Biodiversity_Patterns.Rmd’ using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette ‘Biodiversity_Patterns.Rmd’ failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Biodiversity_Patterns.Rmd’

--- re-building ‘Introduction_mobsim.Rmd’ using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette ‘Introduction_mobsim.Rmd’ failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Introduction_mobsim.Rmd’

--- re-building ‘Sampling_communities.Rmd’ using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette ‘Sampling_communities.Rmd’ failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Sampling_communities.Rmd’

--- re-building ‘Simulating_communities.Rmd’ using rmarkdown
--- finished re-building ‘Simulating_communities.Rmd’

SUMMARY: processing the following files failed:
  ‘Biodiversity_Patterns.Rmd’ ‘Introduction_mobsim.Rmd’
  ‘Sampling_communities.Rmd’

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘sads’
  All declared Imports should be used.
Missing or unexported object: ‘spatstat.core::rmh’
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  ‘[spatstat.core]{rThomas}’

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in ‘mobsim-Ex.R’ failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘Biodiversity_Changes.Rmd’ using rmarkdown
--- finished re-building ‘Biodiversity_Changes.Rmd’

--- re-building ‘Biodiversity_Patterns.Rmd’ using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building ‘Biodiversity_Patterns.Rmd’

--- re-building ‘Introduction_mobsim.Rmd’ using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building ‘Introduction_mobsim.Rmd’

--- re-building ‘Sampling_communities.Rmd’ using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building ‘Sampling_communities.Rmd’

--- re-building ‘Simulating_communities.Rmd’ using rmarkdown
--- finished re-building ‘Simulating_communities.Rmd’

SUMMARY: processing the following files failed:
  ‘Biodiversity_Patterns.Rmd’ ‘Introduction_mobsim.Rmd’
  ‘Sampling_communities.Rmd’

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘sads’
  All declared Imports should be used.
Missing or unexported object: ‘spatstat.core::rmh’
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  ‘[spatstat.core]{rThomas}’

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in ‘mobsim-Ex.R’ failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘Biodiversity_Changes.Rmd’ using rmarkdown
--- finished re-building ‘Biodiversity_Changes.Rmd’

--- re-building ‘Biodiversity_Patterns.Rmd’ using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building ‘Biodiversity_Patterns.Rmd’

--- re-building ‘Introduction_mobsim.Rmd’ using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building ‘Introduction_mobsim.Rmd’

--- re-building ‘Sampling_communities.Rmd’ using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building ‘Sampling_communities.Rmd’

--- re-building ‘Simulating_communities.Rmd’ using rmarkdown
--- finished re-building ‘Simulating_communities.Rmd’

SUMMARY: processing the following files failed:
  ‘Biodiversity_Patterns.Rmd’ ‘Introduction_mobsim.Rmd’
  ‘Sampling_communities.Rmd’

Error: Vignette re-building failed.
Execution halted
Missing or unexported object: 'spatstat.core::rmh'
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  '[spatstat.core]{rThomas}'

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
--- re-building 'Biodiversity_Changes.Rmd' using rmarkdown
--- finished re-building 'Biodiversity_Changes.Rmd'

--- re-building 'Biodiversity_Patterns.Rmd' using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Biodiversity_Patterns.Rmd'

--- re-building 'Introduction_mobsim.Rmd' using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Introduction_mobsim.Rmd'

--- re-building 'Sampling_communities.Rmd' using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Sampling_communities.Rmd'

--- re-building 'Simulating_communities.Rmd' using rmarkdown
--- finished re-building 'Simulating_communities.Rmd'

SUMMARY: processing the following files failed:
  'Biodiversity_Patterns.Rmd' 'Introduction_mobsim.Rmd'
  'Sampling_communities.Rmd'

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: 'sads'
  All declared Imports should be used.
Missing or unexported object: 'spatstat.core::rmh'
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  '[spatstat.core]{rThomas}'

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
--- re-building 'Biodiversity_Changes.Rmd' using rmarkdown
--- finished re-building 'Biodiversity_Changes.Rmd'

--- re-building 'Biodiversity_Patterns.Rmd' using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Biodiversity_Patterns.Rmd'

--- re-building 'Introduction_mobsim.Rmd' using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Introduction_mobsim.Rmd'

--- re-building 'Sampling_communities.Rmd' using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Sampling_communities.Rmd'

--- re-building 'Simulating_communities.Rmd' using rmarkdown
--- finished re-building 'Simulating_communities.Rmd'

SUMMARY: processing the following files failed:
  'Biodiversity_Patterns.Rmd' 'Introduction_mobsim.Rmd'
  'Sampling_communities.Rmd'

Error: Vignette re-building failed.
Execution halted
Missing or unexported object: ‘spatstat.core::rmh’
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  ‘[spatstat.core]{rThomas}’

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in ‘mobsim-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘Biodiversity_Changes.Rmd’ using rmarkdown
--- finished re-building ‘Biodiversity_Changes.Rmd’

--- re-building ‘Biodiversity_Patterns.Rmd’ using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Biodiversity_Patterns.Rmd’

--- re-building ‘Introduction_mobsim.Rmd’ using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Introduction_mobsim.Rmd’

--- re-building ‘Sampling_communities.Rmd’ using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Sampling_communities.Rmd’

--- re-building ‘Simulating_communities.Rmd’ using rmarkdown
--- finished re-building ‘Simulating_communities.Rmd’

SUMMARY: processing the following files failed:
  ‘Biodiversity_Patterns.Rmd’ ‘Introduction_mobsim.Rmd’
  ‘Sampling_communities.Rmd’

Error: Vignette re-building failed.
Execution halted
Missing or unexported object: ‘spatstat.core::rmh’
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  ‘[spatstat.core]{rThomas}’

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in ‘mobsim-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘Biodiversity_Changes.Rmd’ using rmarkdown
--- finished re-building ‘Biodiversity_Changes.Rmd’

--- re-building ‘Biodiversity_Patterns.Rmd’ using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Biodiversity_Patterns.Rmd’

--- re-building ‘Introduction_mobsim.Rmd’ using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Introduction_mobsim.Rmd’

--- re-building ‘Sampling_communities.Rmd’ using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
‘rmh’ is not an exported object from ‘namespace:spatstat.core’
--- failed re-building ‘Sampling_communities.Rmd’

--- re-building ‘Simulating_communities.Rmd’ using rmarkdown
--- finished re-building ‘Simulating_communities.Rmd’

SUMMARY: processing the following files failed:
  ‘Biodiversity_Patterns.Rmd’ ‘Introduction_mobsim.Rmd’
  ‘Sampling_communities.Rmd’

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘sads’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Namespace in Imports field not imported from: ‘sads’
  All declared Imports should be used.
'LazyData' is specified without a 'data' directory
Missing or unexported object: 'spatstat.core::rmh'
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  '[spatstat.core]{rThomas}'

See section 'Cross-references' in the 'Writing R Extensions' manual.
'LazyData' is specified without a 'data' directory
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
--- re-building 'Biodiversity_Changes.Rmd' using rmarkdown
--- finished re-building 'Biodiversity_Changes.Rmd'

--- re-building 'Biodiversity_Patterns.Rmd' using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Biodiversity_Patterns.Rmd'

--- re-building 'Introduction_mobsim.Rmd' using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Introduction_mobsim.Rmd'

--- re-building 'Sampling_communities.Rmd' using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Sampling_communities.Rmd'

--- re-building 'Simulating_communities.Rmd' using rmarkdown
--- finished re-building 'Simulating_communities.Rmd'

SUMMARY: processing the following files failed:
  'Biodiversity_Patterns.Rmd' 'Introduction_mobsim.Rmd'
  'Sampling_communities.Rmd'

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘sads’
  All declared Imports should be used.
Missing or unexported object: 'spatstat.core::rmh'
Missing link or links in documentation object 'sim_thomas_coords.Rd':
  '[spatstat.core]{rThomas}'

See section 'Cross-references' in the 'Writing R Extensions' manual.
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Running examples in 'mobsim-Ex.R' failed
The error most likely occurred in:

> ### Name: dist_decay
> ### Title: Distance decay of similarity
> ### Aliases: dist_decay
> 
> ### ** Examples
> 
> sim_com1 <- sim_thomas_community(100, 10000, sigma = 0.1, mother_points = 2)
> dd1 <- dist_decay(sim_com1, prop_area = 0.005, n_samples = 20)
Error: 'rmh' is not an exported object from 'namespace:spatstat.core'
Execution halted
Error(s) in re-building vignettes:
--- re-building 'Biodiversity_Changes.Rmd' using rmarkdown
--- finished re-building 'Biodiversity_Changes.Rmd'

--- re-building 'Biodiversity_Patterns.Rmd' using rmarkdown
Quitting from lines 168-172 (Biodiversity_Patterns.Rmd) 
Error: processing vignette 'Biodiversity_Patterns.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Biodiversity_Patterns.Rmd'

--- re-building 'Introduction_mobsim.Rmd' using rmarkdown
Quitting from lines 118-125 (Introduction_mobsim.Rmd) 
Error: processing vignette 'Introduction_mobsim.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Introduction_mobsim.Rmd'

--- re-building 'Sampling_communities.Rmd' using rmarkdown
Quitting from lines 58-60 (Sampling_communities.Rmd) 
Error: processing vignette 'Sampling_communities.Rmd' failed with diagnostics:
'rmh' is not an exported object from 'namespace:spatstat.core'
--- failed re-building 'Sampling_communities.Rmd'

--- re-building 'Simulating_communities.Rmd' using rmarkdown
--- finished re-building 'Simulating_communities.Rmd'

SUMMARY: processing the following files failed:
  'Biodiversity_Patterns.Rmd' 'Introduction_mobsim.Rmd'
  'Sampling_communities.Rmd'

Error: Vignette re-building failed.
Execution halted