checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
  ...
--- re-building ‘quickReg.Rmd’ using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building ‘quickReg.Rmd’

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

Error: Vignette re-building failed.
Execution halted
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
  ...
--- re-building ‘quickReg.Rmd’ using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building ‘quickReg.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘psych’
  All declared Imports should be used.
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
--- re-building ‘quickReg.Rmd’ using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building ‘quickReg.Rmd’

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

Error: Vignette re-building failed.
Execution halted
Namespace in Imports field not imported from: ‘psych’
  All declared Imports should be used.
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
--- re-building ‘quickReg.Rmd’ using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building ‘quickReg.Rmd’

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

Error: Vignette re-building failed.
Execution halted
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
--- re-building 'quickReg.Rmd' using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building 'quickReg.Rmd'

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

Error: Vignette re-building failed.
Execution halted
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
  ...
--- re-building ‘quickReg.Rmd’ using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building ‘quickReg.Rmd’

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

Error: Vignette re-building failed.
Execution halted
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
  ...
--- re-building ‘quickReg.Rmd’ using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building ‘quickReg.Rmd’

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

Error: Vignette re-building failed.
Execution halted
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
--- re-building 'quickReg.Rmd' using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building 'quickReg.Rmd'

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

Error: Vignette re-building failed.
Execution halted
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
checkRd: (-1) display_table.Rd:37: Lost braces; missing escapes or markup?
    37 | \item{normtest}{A character indicating test of normality, the default method is \code{\link{shapiro.test}} when sample size no more than 5000, otherwise \code{\link[nortest]{lillie.test}} {Kolmogorov-Smirnov} is used, see package \strong{nortest} for more methods.Use 'shapiro.test', 'lillie.test', 'ad.test', etc to specify methods.}
       |                                                                                                                                                                                             ^
Error(s) in re-building vignettes:
--- re-building 'quickReg.Rmd' using rmarkdown

Quitting from quickReg.Rmd:130-162 [plot]
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<error/rlang_error>
Error:
! <ggplot2::labels> object is invalid:
- every label must be named.
---
Backtrace:
    ▆
 1. └─ggplot2::labs(list(title = "Regression Model", x = "variables"))
 2.   └─ggplot2::class_labels(args)
 3.     └─S7::new_object(labels)
 4.       └─S7::validate(object, recursive = !parent_validated)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Error: processing vignette 'quickReg.Rmd' failed with diagnostics:
<ggplot2::labels> object is invalid:
- every label must be named.
--- failed re-building 'quickReg.Rmd'

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

Error: Vignette re-building failed.
Execution halted