Maintainer: ‘Krishanu Mukherjee <toton1181@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Krishanu",
                    family = "Mukherjee",
                    role = c("aut", "cre"),
                    email = "toton1181@gmail.com")
as necessary.
Running examples in ‘CollapseLevels-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘CollapseLevels.Rmd’ using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building ‘CollapseLevels.Rmd’

SUMMARY: processing the following file failed:
  ‘CollapseLevels.Rmd’

Error: Vignette re-building failed.
Execution halted
Maintainer: ‘Krishanu Mukherjee <toton1181@gmail.com>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Krishanu",
                    family = "Mukherjee",
                    role = c("aut", "cre"),
                    email = "toton1181@gmail.com")
as necessary.
Running examples in ‘CollapseLevels-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘CollapseLevels.Rmd’ using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building ‘CollapseLevels.Rmd’

SUMMARY: processing the following file failed:
  ‘CollapseLevels.Rmd’

Error: Vignette re-building failed.
Execution halted
Running examples in ‘CollapseLevels-Ex.R’ failed
The error most likely occurred in:

> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘CollapseLevels.Rmd’ using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building ‘CollapseLevels.Rmd’

SUMMARY: processing the following file failed:
  ‘CollapseLevels.Rmd’

Error: Vignette re-building failed.
Execution halted
Running examples in ‘CollapseLevels-Ex.R’ failed
The error most likely occurred in:

> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
--- re-building ‘CollapseLevels.Rmd’ using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building ‘CollapseLevels.Rmd’

SUMMARY: processing the following file failed:
  ‘CollapseLevels.Rmd’

Error: Vignette re-building failed.
Execution halted
Running examples in 'CollapseLevels-Ex.R' failed
The error most likely occurred in:

> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
--- re-building 'CollapseLevels.Rmd' using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building 'CollapseLevels.Rmd'

SUMMARY: processing the following file failed:
  'CollapseLevels.Rmd'

Error: Vignette re-building failed.
Execution halted
Running examples in ‘CollapseLevels-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘CollapseLevels.Rmd’ using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building ‘CollapseLevels.Rmd’

SUMMARY: processing the following file failed:
  ‘CollapseLevels.Rmd’

Error: Vignette re-building failed.
Execution halted
Running examples in ‘CollapseLevels-Ex.R’ failed
The error most likely occurred in:

> base::assign(".ptime", proc.time(), pos = "CheckExEnv")
> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
  ...
--- re-building ‘CollapseLevels.Rmd’ using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building ‘CollapseLevels.Rmd’

SUMMARY: processing the following file failed:
  ‘CollapseLevels.Rmd’

Error: Vignette re-building failed.
Execution halted
Running examples in 'CollapseLevels-Ex.R' failed
The error most likely occurred in:

> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
--- re-building 'CollapseLevels.Rmd' using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building 'CollapseLevels.Rmd'

SUMMARY: processing the following file failed:
  'CollapseLevels.Rmd'

Error: Vignette re-building failed.
Execution halted
Running examples in 'CollapseLevels-Ex.R' failed
The error most likely occurred in:

> ### Name: IVCalc
> ### Title: IVCalc
> ### Aliases: IVCalc
> 
> ### ** Examples
> 
> 
> # Load the German_Credit data set supplied with this package
> 
> data("German_Credit")
> 
> l<-list()
> 
> # Call the function as follows
> 
> l<-IVCalc(German_Credit,resp="Good_Bad",bins=10)
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
Backtrace:
    ▆
 1. ├─CollapseLevels::IVCalc(German_Credit, resp = "Good_Bad", bins = 10)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
 8.         └─rlang::cnd_signal(...)
Execution halted
Error(s) in re-building vignettes:
--- re-building 'CollapseLevels.Rmd' using rmarkdown

Quitting from CollapseLevels.Rmd:53-76 [unnamed-chunk-2]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/lifecycle_error_deprecated>
Error:
! `group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
---
Backtrace:
    ▆
 1. ├─CollapseLevels::levelsCollapser(...)
 2. │ └─d %>% dplyr::group_by_(naml) %>% dplyr::summarise(tot = dplyr::n())
 3. ├─dplyr::summarise(., tot = dplyr::n())
 4. └─dplyr::group_by_(., naml)
 5.   └─dplyr:::lazy_defunct("group_by")
 6.     └─lifecycle::deprecate_stop(...)
 7.       └─lifecycle:::deprecate_stop0(msg)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'CollapseLevels.Rmd' failed with diagnostics:
`group_by_()` was deprecated in dplyr 0.7.0 and is now defunct.
ℹ Please use `group_by()` instead.
ℹ See vignette('programming') for more help
--- failed re-building 'CollapseLevels.Rmd'

SUMMARY: processing the following file failed:
  'CollapseLevels.Rmd'

Error: Vignette re-building failed.
Execution halted