`str\(plot\)` does not match "List of 10".
Actual value: "List of 11\\n \$ data       :'data\.frame':\\t72 obs\. of  6 variables:\\n  \.\.\$ Ind\.ID    : Factor w/ 24 levels "A10","A12","AA9",\.\.: 3 1 2 5 6 4 7 8 11 9 \.\.\.\\n  \.\.\$ origin\.pop: Factor w/ 3 levels "pop\.1","pop\.2",\.\.: 1 1 1 2 2 2 3 3 1 1 \.\.\.\\n  \.\.\$ pred\.pop  : Factor w/ 3 levels "pop\.1","pop\.3",\.\.: 1 2 2 1 1 1 1 1 2 2 \.\.\.\\n  \.\.\$ fold_n    : chr \[1:72\] "fold_1" "fold_1" "fold_1" "fold_1" \.\.\.\\n  \.\.\$ variable  : Factor w/ 3 levels "pop\.1","pop\.2",\.\.: 1 1 1 1 1 1 1 1 1 1 \.\.\.\\n  \.\.\$ value     : num \[1:72\] 0\.4 0\.326 0\.26 0\.383 0\.44 \.\.\.\\n \$ layers     :List of 1\\n  \.\.\$ :Classes 'LayerInstance', 'Layer', 'ggproto', 'gg' <ggproto object: Class LayerInstance, Layer, gg>\\n    aes_params: list\\n    compute_aesthetics: function\\n    compute_geom_1: function\\n    compute_geom_2: function\\n    compute_position: function\\n    compute_statistic: function\\n    computed_geom_params: NULL\\n    computed_mapping: NULL\\n    computed_stat_params: NULL\\n    constructor: call\\n    data: waiver\\n    draw_geom: function\\n    finish_statistics: function\\n    geom: <ggproto object: Class GeomBar, GeomRect, Geom, gg>\\n        aesthetics: function\\n        default_aes: uneval\\n        draw_group: function\\n        draw_key: function\\n        draw_layer: function\\n        draw_panel: function\\n        extra_params: just na\.rm orientation\\n        handle_na: function\\n        non_missing_aes: xmin xmax ymin ymax\\n        optional_aes: \\n        parameters: function\\n        rename_size: TRUE\\n        required_aes: x y\\n        setup_data: function\\n        setup_params: function\\n        use_defaults: function\\n        super:  <ggproto object: Class GeomRect, Geom, gg>\\n    geom_params: list\\n    inherit\.aes: TRUE\\n    layer_data: function\\n    map_statistic: function\\n    mapping: NULL\\n    position: <ggproto object: Class PositionStack, Position, gg>\\n        compute_layer: function\\n        compute_panel: function\\n        fill: FALSE\\n        required_aes: \\n        reverse: FALSE\\n        setup_data: function\\n        setup_params: function\\n        type: NULL\\n        vjust: 1\\n        super:  <ggproto object: Class Position, gg>\\n    print: function\\n    setup_layer: function\\n    show\.legend: NA\\n    stat: <ggproto object: Class StatIdentity, Stat, gg>\\n        aesthetics: function\\n        compute_group: function\\n        compute_layer: function\\n        compute_panel: function\\n        default_aes: uneval\\n        dropped_aes: \\n        extra_params: na\.rm\\n        finish_layer: function\\n        non_missing_aes: \\n        optional_aes: \\n        parameters: function\\n        required_aes: \\n        retransform: TRUE\\n        setup_data: function\\n        setup_params: function\\n        super:  <ggproto object: Class Stat, gg>\\n    stat_params: list\\n    super:  <ggproto object: Class Layer, gg> \\n \$ scales     :Classes 'ScalesList', 'ggproto', 'gg' <ggproto object: Class ScalesList, gg>\\n    add: function\\n    add_defaults: function\\n    add_missing: function\\n    backtransform_df: function\\n    clone: function\\n    find: function\\n    get_scales: function\\n    has_scale: function\\n    input: function\\n    map_df: function\\n    n: function\\n    non_position_scales: function\\n    scales: list\\n    train_df: function\\n    transform_df: function\\n    super:  <ggproto object: Class ScalesList, gg> \\n \$ guides     :Classes 'Guides', 'ggproto', 'gg' <ggproto object: Class Guides, gg>\\n    add: function\\n    assemble: function\\n    build: function\\n    draw: function\\n    get_custom: function\\n    get_guide: function\\n    get_params: function\\n    get_position: function\\n    guides: list\\n    merge: function\\n    missing: <ggproto object: Class GuideNone, Guide, gg>\\n        add_title: function\\n        arrange_layout: function\\n        assemble_drawing: function\\n        available_aes: any\\n        build_decor: function\\n        build_labels: function\\n        build_ticks: function\\n        build_title: function\\n        draw: function\\n        draw_early_exit: function\\n        elements: list\\n        extract_decor: function\\n        extract_key: function\\n        extract_params: function\\n        get_layer_key: function\\n        hashables: list\\n        measure_grobs: function\\n        merge: function\\n        override_elements: function\\n        params: list\\n        process_layers: function\\n        setup_elements: function\\n        setup_params: function\\n        train: function\\n        transform: function\\n        super:  <ggproto object: Class GuideNone, Guide, gg>\\n    package_box: function\\n    print: function\\n    process_layers: function\\n    setup: function\\n    subset_guides: function\\n    train: function\\n    update_params: function\\n    super:  <ggproto object: Class Guides, gg> \\n \$ mapping    :List of 3\\n  \.\.\$ x   : language ~Ind\.ID\\n  \.\. \.\.- attr\(\*, "\.Environment"\)=<environment: 0x00000205c165a3f8> \\n  \.\.\$ y   : language ~value\\n  \.\. \.\.- attr\(\*, "\.Environment"\)=<environment: 0x00000205c165a3f8> \\n  \.\.\$ fill: language ~variable\\n  \.\. \.\.- attr\(\*, "\.Environment"\)=<environment: 0x00000205c165a3f8> \\n  \.\.- attr\(\*, "class"\)= chr "uneval"\\n \$ theme      :List of 136\\n  \.\.\$ line                            :List of 6\\n  \.\. \.\.\$ colour       : chr "black"\\n  \.\. \.\.\$ linewidth    : num 0\.5\\n  \.\. \.\.\$ linetype     : num 1\\n  \.\. \.\.\$ lineend      : chr "butt"\\n  \.\. \.\.\$ arrow        : logi FALSE\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_line" "element"\\n  \.\.\$ rect                            :List of 5\\n  \.\. \.\.\$ fill         : chr "white"\\n  \.\. \.\.\$ colour       : chr "black"\\n  \.\. \.\.\$ linewidth    : num 0\.5\\n  \.\. \.\.\$ linetype     : num 1\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_rect" "element"\\n  \.\.\$ text                            :List of 11\\n  \.\. \.\.\$ family       : chr ""\\n  \.\. \.\.\$ face         : chr "plain"\\n  \.\. \.\.\$ colour       : chr "black"\\n  \.\. \.\.\$ size         : num 11\\n  \.\. \.\.\$ hjust        : num 0\.5\\n  \.\. \.\.\$ vjust        : num 0\.5\\n  \.\. \.\.\$ angle        : num 0\\n  \.\. \.\.\$ lineheight   : num 0\.9\\n  \.\. \.\.\$ margin       : 'margin' num \[1:4\] 0points 0points 0points 0points\\n  \.\. \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\. \.\.\$ debug        : logi FALSE\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_text" "element"\\n  \.\.\$ title                           : NULL\\n  \.\.\$ aspect\.ratio                    : NULL\\n  \.\.\$ axis\.title                      : NULL\\n  \.\.\$ axis\.title\.x      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NULL\\n  \.\. \.\.\$ margin       : 'margin' num \[1:4\] 0points 0points 0points 2\.2points\\n  \.\. \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\. \.\.\$ debug        : NULL\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_text" "element"\\n  \.\.\$ axis\.text\.theta                 : NULL\\n  \.\.\$ axis\.text\.r                     :List of 11\\n  \.\. \.\.\$ family       : NULL\\n  \.\. \.\.\$ face         : NULL\\n  \.\. \.\.\$ colour       : NULL\\n  \.\. \.\.\$ size         : NULL\\n  \.\. \.\.\$ hjust        : num 0\.5\\n  \.\. \.\.\$ vjust        : NULL\\n  \.\. \.\.\$ angle        : NULL\\n  \.\. \.\.\$ lineheight   : NULL\\n  \.\. \.\.\$ margin       : 'margin' num \[1:4\] 0points 2\.2points 0points 2\.2points\\n  \.\. \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\. \.\.\$ debug        : NULL\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_text" "element"\\n  \.\.\$ axis\.ticks                      :List of 6\\n  \.\. \.\.\$ colour       : chr "grey20"\\n  \.\. \.\.\$ linewidth    : NULL\\n  \.\. \.\.\$ linetype     : NULL\\n  \.\. \.\.\$ lineend      : NULL\\n  \.\. \.\.\$ arrow        : logi FALSE\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_line" "element"\\n  \.\.\$ axis\.ticks\.x                    : NULL\\n  \.\.\$ axis\.ticks\.x\.top                : NULL\\n  \.\.\$ axis\.ticks\.x\.bottom             : NULL\\n  \.\.\$ axis\.ticks\.y                    : NULL\\n  \.\.\$ axis\.ticks\.y\.left               : NULL\\n  \.\.\$ axis\.ticks\.y\.right              : NULL\\n  \.\.\$ axis\.ticks\.theta                : NULL\\n  \.\.\$ axis\.ticks\.r                    : NULL\\n  \.\.\$ axis\.minor\.ticks\.x\.top          : NULL\\n  \.\.\$ axis\.minor\.ticks\.x\.bottom       : NULL\\n  \.\.\$ axis\.minor\.ticks\.y\.left         : NULL\\n  \.\.\$ axis\.minor\.ticks\.y\.right        : NULL\\n  \.\.\$ axis\.minor\.ticks\.theta          : NULL\\n  \.\.\$ axis\.minor\.ticks\.r              : NULL\\n  \.\.\$ axis\.ticks\.length               : 'simpleUnit' num 2\.75points\\n  \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\.\$ axis\.ticks\.length\.x             : NULL\\n  \.\.\$ axis\.ticks\.length\.x\.top         : NULL\\n  \.\.\$ axis\.ticks\.length\.x\.bottom      : NULL\\n  \.\.\$ axis\.ticks\.length\.y             : NULL\\n  \.\.\$ axis\.ticks\.length\.y\.left        : NULL\\n  \.\.\$ axis\.ticks\.length\.y\.right       : NULL\\n  \.\.\$ axis\.ticks\.length\.theta         : NULL\\n  \.\.\$ axis\.ticks\.length\.r             : NULL\\n  \.\.\$ axis\.minor\.ticks\.length         : 'rel' num 0\.75\\n  \.\.\$ axis\.minor\.ticks\.length\.x       : NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.x\.top   : NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.x\.bottom: NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.y       : NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.y\.left  : NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.y\.right : NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.theta   : NULL\\n  \.\.\$ axis\.minor\.ticks\.length\.r       : NULL\\n  \.\.\$ axis\.line                       : list\(\)\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_blank" "element"\\n  \.\.\$ axis\.line\.x                     : NULL\\n  \.\.\$ axis\.line\.x\.top                 : NULL\\n  \.\.\$ axis\.line\.x\.bottom              : NULL\\n  \.\.\$ axis\.line\.y                     : NULL\\n  \.\.\$ axis\.line\.y\.left                : NULL\\n  \.\.\$ axis\.line\.y\.right               : NULL\\n  \.\.\$ axis\.line\.theta                 : NULL\\n  \.\.\$ axis\.line\.r                     : NULL\\n  \.\.\$ legend\.background               :List of 5\\n  \.\. \.\.\$ fill         : NULL\\n  \.\. \.\.\$ colour       : logi NA\\n  \.\. \.\.\$ linewidth    : NULL\\n  \.\. \.\.\$ linetype     : NULL\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_rect" "element"\\n  \.\.\$ legend\.margin                   : 'margin' num \[1:4\] 5\.5points 5\.5points 5\.5points 5\.5points\\n  \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\.\$ legend\.spacing                  : 'simpleUnit' num 11points\\n  \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\.\$ legend\.spacing\.x                : NULL\\n  \.\.\$ legend\.spacing\.y                : NULL\\n  \.\.\$ legend\.key                      : NULL\\n  \.\.\$ legend\.key\.size                 : 'simpleUnit' num 1\.2lines\\n  \.\. \.\.- attr\(\*, "unit"\)= int 3\\n  \.\.\$ legend\.key\.height               : NULL\\n  \.\.\$ legend\.key\.width                : NULL\\n  \.\.\$ legend\.key\.spacing              : 'simpleUnit' num 5\.5points\\n  \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\.\$ legend\.key\.spacing\.x            : NULL\\n  \.\.\$ legend\.key\.spacing\.y            : NULL\\n  \.\.\$ legend\.frame                    : NULL\\n  \.\.\$ legend\.ticks                    : NULL\\n  \.\.\$ legend\.ticks\.length             : 'rel' num 0\.2\\n  \.\.\$ legend\.axis\.line                : NULL\\n  \.\.\$ legend\.text                     :List of 11\\n  \.\. \.\.\$ family       : NULL\\n  \.\. \.\.\$ face         : NULL\\n  \.\. \.\.\$ colour       : NULL\\n  \.\. \.\.\$ size         : 'rel' num 0\.8\\n  \.\. \.\.\$ hjust        : NULL\\n  \.\. \.\.\$ vjust        : NULL\\n  \.\. \.\.\$ angle        : NULL\\n  \.\. \.\.\$ lineheight   : NULL\\n  \.\. \.\.\$ margin       : NULL\\n  \.\. \.\.\$ debug        : NULL\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_text" "element"\\n  \.\.\$ legend\.text\.position            : NULL\\n  \.\.\$ legend\.title                    :List of 11\\n  \.\. \.\.\$ family       : NULL\\n  \.\. \.\.\$ face         : NULL\\n  \.\. \.\.\$ colour       : NULL\\n  \.\. \.\.\$ size         : NULL\\n  \.\. \.\.\$ hjust        : num 0\\n  \.\. \.\.\$ vjust        : NULL\\n  \.\. \.\.\$ angle        : NULL\\n  \.\. \.\.\$ lineheight   : NULL\\n  \.\. \.\.\$ margin       : NULL\\n  \.\. \.\.\$ debug        : NULL\\n  \.\. \.\.\$ inherit\.blank: logi TRUE\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_text" "element"\\n  \.\.\$ legend\.title\.position           : NULL\\n  \.\.\$ legend\.position                 : chr "right"\\n  \.\.\$ legend\.position\.inside          : NULL\\n  \.\.\$ legend\.direction                : NULL\\n  \.\.\$ legend\.byrow                    : NULL\\n  \.\.\$ legend\.justification            : chr "center"\\n  \.\.\$ legend\.justification\.top        : NULL\\n  \.\.\$ legend\.justification\.bottom     : NULL\\n  \.\.\$ legend\.justification\.left       : NULL\\n  \.\.\$ legend\.justification\.right      : NULL\\n  \.\.\$ legend\.justification\.inside     : NULL\\n  \.\.\$ legend\.location                 : NULL\\n  \.\.\$ legend\.box                      : NULL\\n  \.\.\$ legend\.box\.just                 : NULL\\n  \.\.\$ legend\.box\.margin               : 'margin' num \[1:4\] 0cm 0cm 0cm 0cm\\n  \.\. \.\.- attr\(\*, "unit"\)= int 1\\n  \.\.\$ legend\.box\.background           : list\(\)\\n  \.\. \.\.- attr\(\*, "class"\)= chr \[1:2\] "element_blank" "element"\\n  \.\.\$ legend\.box\.spacing              : 'simpleUnit' num 11points\\n  \.\. \.\.- attr\(\*, "unit"\)= int 8\\n  \.\. \[list output truncated\]\\n  \.\.- attr\(\*, "class"\)= chr \[1:2\] "theme" "gg"\\n  \.\.- attr\(\*, "complete"\)= logi TRUE\\n  \.\.- attr\(\*, "validate"\)= logi TRUE\\n \$ coordinates:Classes 'CoordCartesian', 'Coord', 'ggproto', 'gg' <ggproto object: Class CoordCartesian, Coord, gg>\\n    aspect: function\\n    backtransform_range: function\\n    clip: on\\n    default: FALSE\\n    distance: function\\n    expand: TRUE\\n    is_free: function\\n    is_linear: function\\n    labels: function\\n    limits: list\\n    modify_scales: function\\n    range: function\\n    render_axis_h: function\\n    render_axis_v: function\\n    render_bg: function\\n    render_fg: function\\n    setup_data: function\\n    setup_layout: function\\n    setup_panel_guides: function\\n    setup_panel_params: function\\n    setup_params: function\\n    train_panel_guides: function\\n    transform: function\\n    super:  <ggproto object: Class CoordCartesian, Coord, gg> \\n \$ facet      :Classes 'FacetGrid', 'Facet', 'ggproto', 'gg' <ggproto object: Class FacetGrid, Facet, gg>\\n    compute_layout: function\\n    draw_back: function\\n    draw_front: function\\n    draw_labels: function\\n    draw_panels: function\\n    finish_data: function\\n    init_scales: function\\n    map_data: function\\n    params: list\\n    setup_data: function\\n    setup_params: function\\n    shrink: TRUE\\n    train_scales: function\\n    vars: function\\n    super:  <ggproto object: Class FacetGrid, Facet, gg> \\n \$ plot_env   :<environment: 0x00000205c165a3f8> \\n \$ layout     :Classes 'Layout', 'ggproto', 'gg' <ggproto object: Class Layout, gg>\\n    coord: NULL\\n    coord_params: list\\n    facet: NULL\\n    facet_params: list\\n    finish_data: function\\n    get_scales: function\\n    layout: NULL\\n    map_position: function\\n    panel_params: NULL\\n    panel_scales_x: NULL\\n    panel_scales_y: NULL\\n    render: function\\n    render_labels: function\\n    reset_scales: function\\n    resolve_label: function\\n    setup: function\\n    setup_panel_guides: function\\n    setup_panel_params: function\\n    train_position: function\\n    super:  <ggproto object: Class Layout, gg> \\n \$ labels     :List of 4\\n  \.\.\$ title: chr "K = 3  "\\n  \.\.\$ y    : chr "Probability"\\n  \.\.\$ x    : chr "Ind\.ID"\\n  \.\.\$ fill : chr "variable"\\n - attr\(\*, "class"\)= chr \[1:2\] "gg" "ggplot""