diff --git a/.github/workflows/tag_meged_pull_request.yml b/.github/workflows/tag_meged_pull_request.yml
index 044bba3..f26a4df 100644
--- a/.github/workflows/tag_meged_pull_request.yml
+++ b/.github/workflows/tag_meged_pull_request.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.2
+          php-version: 8.3
           coverage: xdebug
           tools: composer:v2
 
diff --git a/.github/workflows/test_pull_request.yml b/.github/workflows/test_pull_request.yml
index b72af4f..d335be9 100644
--- a/.github/workflows/test_pull_request.yml
+++ b/.github/workflows/test_pull_request.yml
@@ -11,7 +11,7 @@ jobs:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.2
+          php-version: 8.3
           tools: composer:v2
 
       - name: Checkout code
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['8.1', '8.2', '8.3']
+        php: ['8.1', '8.2', '8.3', '8.4']
 
     steps:
       - name: Set up PHP
@@ -65,7 +65,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: '14.x'
+          node-version: '20.x'
 
       - name: Checkout code
         uses: actions/checkout@v4
@@ -88,10 +88,10 @@ jobs:
       - name: Neon Lint
         run: ./vendor/nette/neon/bin/neon-lint conf
 
-      - name: PHP MD
-        run: |
-          ./vendor/bin/phpmd --version
-          ./vendor/bin/phpmd ./src/ ./examples/ ./tests/ text phpmd.xml
+      #- name: PHP MD
+      #  run: |
+      #    ./vendor/bin/phpmd --version
+      #    ./vendor/bin/phpmd ./src/ ./examples/ ./tests/ text phpmd.xml
 
       - name: PHP Code Sniffer
         run: |
@@ -115,7 +115,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: ['8.1']
+        php: ['8.3']
 
     steps:
       - name: Set up PHP
@@ -128,7 +128,7 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
-          node-version: '14.x'
+          node-version: '20.x'
 
       - name: Checkout code
         uses: actions/checkout@v4
diff --git a/.gitignore b/.gitignore
index acc428e..2d020d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /vendor/
 composer.lock
 .php-version
+.tool-versions
diff --git a/PHP_VERSIONS b/PHP_VERSIONS
index 4215b26..75df3c4 100644
--- a/PHP_VERSIONS
+++ b/PHP_VERSIONS
@@ -1,3 +1,4 @@
+8.4
 8.3
 8.2
 8.1
diff --git a/README.md b/README.md
index 72bd4a2..0731c5a 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,11 @@ You can also retrieve parsed data:
 
 - PHP 8.1 or later
 - Imagick PHP Extension
+
+    Check with commands:
+    ```php
+    php -i | grep imagick
+    ```
 - Composer
 
 ## 4. Installation
@@ -544,90 +549,90 @@ Then, run the PHP code.
 
     ```bash
     array(2) {
-        ["John"]=>
-        array(6) {
-            ["count"]=>
-            int(11)
-            ["x"]=>
-            array(5) {
-                ["Mean"]=>
-                int(6)
-                ["Max"]=>
-                int(11)
-                ["Min"]=>
-                int(1)
-                ["Variance"]=>
-                int(10)
-                ["StandardDeviation"]=>
-                float(3.1622776601683795)
-            }
-            ["y"]=>
-            array(5) {
-                ["Mean"]=>
-                int(5)
-                ["Max"]=>
-                int(11)
-                ["Min"]=>
-                int(1)
-                ["Variance"]=>
-                float(10.181818181818182)
-                ["StandardDeviation"]=>
-                float(3.1908961408698624)
-            }
-            ["Covariance"]=>
-            float(5.181818181818182)
-            ["CorrelationCoefficient"]=>
-            float(0.5135343537364686)
-            ["RegressionLineFormula"]=>
-            array(2) {
-                ["a"]=>
-                float(0.5181818181818182)
-                ["b"]=>
-                float(1.8909090909090907)
-            }
+      ["John"]=>
+      array(6) {
+        ["count"]=>
+        int(11)
+        ["x"]=>
+        array(5) {
+          ["Mean"]=>
+          int(6)
+          ["Max"]=>
+          int(11)
+          ["Min"]=>
+          int(1)
+          ["Variance"]=>
+          int(10)
+          ["StandardDeviation"]=>
+          float(3.1622776601683795)
+        }
+        ["y"]=>
+        array(5) {
+          ["Mean"]=>
+          int(5)
+          ["Max"]=>
+          int(11)
+          ["Min"]=>
+          int(1)
+          ["Variance"]=>
+          float(10.181818181818182)
+          ["StandardDeviation"]=>
+          float(3.1908961408698624)
+        }
+        ["Covariance"]=>
+        float(5.181818181818182)
+        ["CorrelationCoefficient"]=>
+        float(0.5135343537364686)
+        ["RegressionLineFormula"]=>
+        array(2) {
+          ["a"]=>
+          float(0.5181818181818182)
+          ["b"]=>
+          float(1.8909090909090907)
+        }
+      }
+      ["Jake"]=>
+      array(6) {
+        ["count"]=>
+        int(11)
+        ["x"]=>
+        array(5) {
+          ["Mean"]=>
+          int(6)
+          ["Max"]=>
+          int(11)
+          ["Min"]=>
+          int(1)
+          ["Variance"]=>
+          int(10)
+          ["StandardDeviation"]=>
+          float(3.1622776601683795)
+        }
+        ["y"]=>
+        array(5) {
+          ["Mean"]=>
+          int(6)
+          ["Max"]=>
+          int(11)
+          ["Min"]=>
+          int(1)
+          ["Variance"]=>
+          int(10)
+          ["StandardDeviation"]=>
+          float(3.1622776601683795)
         }
-        ["Jake"]=>
-        array(6) {
-            ["count"]=>
-            int(11)
-            ["x"]=>
-            array(5) {
-                ["Mean"]=>
-                int(6)
-                ["Max"]=>
-                int(11)
-                ["Min"]=>
-                int(1)
-                ["Variance"]=>
-                int(10)
-                ["StandardDeviation"]=>
-                float(3.1622776601683795)
-            }
-            ["y"]=>
-            array(5) {
-                ["Mean"]=>
-                int(6)
-                ["Max"]=>
-                int(11)
-                ["Min"]=>
-                int(1)
-                ["Variance"]=>
-                int(10)
-                ["StandardDeviation"]=>
-                float(3.1622776601683795)
-            }
-            ["Covariance"]=>
-            float(-9.454545454545455)
-            ["CorrelationCoefficient"]=>
-            float(-0.9454545454545453)
-            ["RegressionLineFormula"]=>
-            array(2) {
-                ["a"]=>
-                float(-0.9454545454545455)
-                ["b"]=>
-                float(11.672727272727274)
-            }
+        ["Covariance"]=>
+        float(-9.454545454545455)
+        ["CorrelationCoefficient"]=>
+        float(-0.9454545454545453)
+        ["RegressionLineFormula"]=>
+        array(2) {
+          ["a"]=>
+          float(-0.9454545454545455)
+          ["b"]=>
+          float(11.672727272727274)
         }
+      }
     }
     ```
 
@@ -659,6 +664,6 @@ Then, run the PHP code.
 
 *Document written: 2023/06/06*
 
-*Document updated: 2024/04/18*
+*Document updated: 2025/01/04*
 
-Copyright 2023 - 2024 macocci7.
+Copyright 2023 - 2025 macocci7.
diff --git a/bin/TestAndLint.sh b/bin/TestAndLint.sh
index 89c427b..4a3b743 100644
--- a/bin/TestAndLint.sh
+++ b/bin/TestAndLint.sh
@@ -1,12 +1,11 @@
 #!/usr/bin/bash
 
 # Script to Test and Lint
-# - for the repository: macocci7/php-scatterplot
 # requirement:
-# - phpenv/phpenv
+# - https://github.com/jdx/mise installed
 # - PHP versions defined in ../PHP_VERSIONS installed
 
-CMD=phpenv
+CMD=mise
 $CMD -v &> /dev/null
 if [ $? -ne 0 ]; then
     echo "command [${CMD}] not found!"
@@ -20,46 +19,13 @@ if [ $? -ne 0 ]; then
     exit 1
 fi
 
-test_and_lint() {
+switch_version() {
     echo "==========================================================="
-    echo "[PHP $1][phpenv local $1]"
-    phpenv local $1
-    if [ $? -ne 0 ]; then
-        echo "Failed to switch version to $i. skipped."
-        return 1
-    fi
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][php -v]"
-    php -v
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][parallel-lint]"
-    ./vendor/bin/parallel-lint src tests examples
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][neon-lint]"
-    ./vendor/nette/neon/bin/neon-lint conf
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][phpcs]"
-    ./vendor/bin/phpcs --ignore=vendor \
-                       --standard=phpcs.xml \
-                       -p \
-                       -s \
-                       .
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][phpmd]"
-    ./vendor/bin/phpmd \
-                       ./src/ ./examples/ ./tests/ text \
-                       phpmd.xml
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][phpstan]"
-    ./vendor/bin/phpstan analyze -c phpstan.neon
-    echo "-----------------------------------------------------------"
-    echo "[PHP $1][phpunit]"
-    ./vendor/bin/phpunit ./tests/ \
-                         --color=auto
-    echo "-----------------------------------------------------------"
+    echo "[PHP $1][Switching PHP version to $1]"
+    mise x php@$1 -- bash bin/TestAndLintSub.sh $1;
 }
 
-echo "[[TesAndLint.sh]]"
+echo "[[TestAndLint.sh]]"
 
 SUPPORTED_PHP_VERSIONS=PHP_VERSIONS
 if [ ! -f $SUPPORTED_PHP_VERSIONS ]; then
@@ -74,6 +40,6 @@ if [ ! -r $SUPPORTED_PHP_VERSIONS ]; then
 fi
 STR_CMD=''
 while read version ; do
-    STR_CMD="$STR_CMD test_and_lint $version;"
+    STR_CMD="$STR_CMD switch_version $version;"
 done < $SUPPORTED_PHP_VERSIONS
 eval $STR_CMD
diff --git a/bin/TestAndLintSub.sh b/bin/TestAndLintSub.sh
new file mode 100644
index 0000000..28e2d19
--- /dev/null
+++ b/bin/TestAndLintSub.sh
@@ -0,0 +1,34 @@
+#!/usr/bin/bash
+
+# Script to Test and Lint
+# requirement:
+# - PHP versions defined in ../PHP_VERSIONS installed
+
+echo "-----------------------------------------------------------"
+echo "[PHP $1][php -v]"
+php -v
+echo "-----------------------------------------------------------"
+echo "[PHP $1][parallel-lint]"
+./vendor/bin/parallel-lint src tests examples
+echo "-----------------------------------------------------------"
+echo "[PHP $1][neon-lint]"
+./vendor/nette/neon/bin/neon-lint conf
+echo "-----------------------------------------------------------"
+echo "[PHP $1][phpcs]"
+./vendor/bin/phpcs --ignore=vendor \
+                    --standard=phpcs.xml \
+                    -p \
+                    -s \
+                    .
+#echo "-----------------------------------------------------------"
+#echo "[PHP $1][phpmd]"
+#./vendor/bin/phpmd \
+#                   ./src/ ./examples/ ./tests/ text \
+#                   phpmd.xml
+echo "-----------------------------------------------------------"
+echo "[PHP $1][phpstan]"
+./vendor/bin/phpstan analyze -c phpstan.neon
+echo "-----------------------------------------------------------"
+echo "[PHP $1][phpunit]"
+./vendor/bin/phpunit ./tests/
+echo "-----------------------------------------------------------"
diff --git a/composer.json b/composer.json
index 094dc8e..3138b7c 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
     "name": "macocci7/php-scatterplot",
-    "description": "it's easy to use for creating scatter plots.",
-    "version": "1.2.2",
+    "description": "PHP-Scatterplot is a simple PHP library to create scatter plot easily.",
+    "version": "1.2.3",
     "type": "library",
     "license": "MIT",
     "autoload": {
@@ -18,17 +18,16 @@
     "minimum-stability": "stable",
     "require": {
         "php": ">=8.1",
-        "intervention/image": "^3.7",
-        "macocci7/php-frequency-table": "^1.3",
-        "macocci7/php-csv": "^1.0",
-        "macocci7/php-combination": "^1.0",
+        "intervention/image": "^3.10",
+        "macocci7/php-frequency-table": "^1.4",
+        "macocci7/php-csv": "^1.1",
+        "macocci7/php-combination": "^1.1",
         "nette/neon": "^3.4"
     },
     "require-dev": {
-        "squizlabs/php_codesniffer": "^3.7",
-        "phpmd/phpmd": "^2.15",
+        "squizlabs/php_codesniffer": "^3.11",
         "phpunit/phpunit": "^10.5",
-        "phpstan/phpstan": "^1.11",
+        "phpstan/phpstan": "^2.1",
         "php-parallel-lint/php-parallel-lint": "^1.4"
     }
 }
diff --git a/examples/ParsedData.txt b/examples/ParsedData.txt
index 674406b..df79397 100644
--- a/examples/ParsedData.txt
+++ b/examples/ParsedData.txt
@@ -1,87 +1,86 @@
-/home/macocci7/php/PHP-Scatterplot/examples/ParsedData.php:20:
 array(2) {
-  'John' =>
+  ["John"]=>
   array(6) {
-    'count' =>
+    ["count"]=>
     int(11)
-    'x' =>
+    ["x"]=>
     array(5) {
-      'Mean' =>
+      ["Mean"]=>
       int(6)
-      'Max' =>
+      ["Max"]=>
       int(11)
-      'Min' =>
+      ["Min"]=>
       int(1)
-      'Variance' =>
+      ["Variance"]=>
       int(10)
-      'StandardDeviation' =>
-      double(3.1622776601684)
+      ["StandardDeviation"]=>
+      float(3.1622776601683795)
     }
-    'y' =>
+    ["y"]=>
     array(5) {
-      'Mean' =>
+      ["Mean"]=>
       int(5)
-      'Max' =>
+      ["Max"]=>
       int(11)
-      'Min' =>
+      ["Min"]=>
       int(1)
-      'Variance' =>
-      double(10.181818181818)
-      'StandardDeviation' =>
-      double(3.1908961408699)
+      ["Variance"]=>
+      float(10.181818181818182)
+      ["StandardDeviation"]=>
+      float(3.1908961408698624)
     }
-    'Covariance' =>
-    double(5.1818181818182)
-    'CorrelationCoefficient' =>
-    double(0.51353435373647)
-    'RegressionLineFormula' =>
+    ["Covariance"]=>
+    float(5.181818181818182)
+    ["CorrelationCoefficient"]=>
+    float(0.5135343537364686)
+    ["RegressionLineFormula"]=>
     array(2) {
-      'a' =>
-      double(0.51818181818182)
-      'b' =>
-      double(1.8909090909091)
+      ["a"]=>
+      float(0.5181818181818182)
+      ["b"]=>
+      float(1.8909090909090907)
     }
   }
-  'Jake' =>
+  ["Jake"]=>
   array(6) {
-    'count' =>
+    ["count"]=>
     int(11)
-    'x' =>
+    ["x"]=>
     array(5) {
-      'Mean' =>
+      ["Mean"]=>
       int(6)
-      'Max' =>
+      ["Max"]=>
       int(11)
-      'Min' =>
+      ["Min"]=>
       int(1)
-      'Variance' =>
+      ["Variance"]=>
       int(10)
-      'StandardDeviation' =>
-      double(3.1622776601684)
+      ["StandardDeviation"]=>
+      float(3.1622776601683795)
     }
-    'y' =>
+    ["y"]=>
     array(5) {
-      'Mean' =>
+      ["Mean"]=>
       int(6)
-      'Max' =>
+      ["Max"]=>
       int(11)
-      'Min' =>
+      ["Min"]=>
       int(1)
-      'Variance' =>
+      ["Variance"]=>
       int(10)
-      'StandardDeviation' =>
-      double(3.1622776601684)
+      ["StandardDeviation"]=>
+      float(3.1622776601683795)
     }
-    'Covariance' =>
-    double(-9.4545454545455)
-    'CorrelationCoefficient' =>
-    double(-0.94545454545455)
-    'RegressionLineFormula' =>
+    ["Covariance"]=>
+    float(-9.454545454545455)
+    ["CorrelationCoefficient"]=>
+    float(-0.9454545454545453)
+    ["RegressionLineFormula"]=>
     array(2) {
-      'a' =>
-      double(-0.94545454545455)
-      'b' =>
-      double(11.672727272727)
+      ["a"]=>
+      float(-0.9454545454545455)
+      ["b"]=>
+      float(11.672727272727274)
     }
   }
 }
diff --git a/examples/img/AdjustDisplayByArray.png b/examples/img/AdjustDisplayByArray.png
index 364ad66..b4cf80b 100644
Binary files a/examples/img/AdjustDisplayByArray.png and b/examples/img/AdjustDisplayByArray.png differ
diff --git a/examples/img/AdjustDisplayByMethods.png b/examples/img/AdjustDisplayByMethods.png
index 08be678..b56a2c1 100644
Binary files a/examples/img/AdjustDisplayByMethods.png and b/examples/img/AdjustDisplayByMethods.png differ
diff --git a/examples/img/AdjustDisplayByNeon.png b/examples/img/AdjustDisplayByNeon.png
index 337f1f3..9140848 100644
Binary files a/examples/img/AdjustDisplayByNeon.png and b/examples/img/AdjustDisplayByNeon.png differ
diff --git a/examples/img/BasicUsage.png b/examples/img/BasicUsage.png
index 212bacf..7a5d064 100644
Binary files a/examples/img/BasicUsage.png and b/examples/img/BasicUsage.png differ
diff --git a/examples/img/Matrix00.png b/examples/img/Matrix00.png
index c6f1918..b837cd2 100644
Binary files a/examples/img/Matrix00.png and b/examples/img/Matrix00.png differ
diff --git a/examples/img/Matrix01.png b/examples/img/Matrix01.png
index 30633b1..f2ae5e3 100644
Binary files a/examples/img/Matrix01.png and b/examples/img/Matrix01.png differ
diff --git a/examples/img/Matrix02.png b/examples/img/Matrix02.png
index 3d09cd5..f52f68c 100644
Binary files a/examples/img/Matrix02.png and b/examples/img/Matrix02.png differ
diff --git a/examples/img/Matrix03.png b/examples/img/Matrix03.png
index a733113..395c34c 100644
Binary files a/examples/img/Matrix03.png and b/examples/img/Matrix03.png differ
diff --git a/examples/img/Matrix04.png b/examples/img/Matrix04.png
index 11d3611..1f4609d 100644
Binary files a/examples/img/Matrix04.png and b/examples/img/Matrix04.png differ
diff --git a/examples/img/Matrix05.png b/examples/img/Matrix05.png
index c730815..9f9d695 100644
Binary files a/examples/img/Matrix05.png and b/examples/img/Matrix05.png differ
diff --git a/examples/img/Matrix06.png b/examples/img/Matrix06.png
index 98bd8b7..8609b50 100644
Binary files a/examples/img/Matrix06.png and b/examples/img/Matrix06.png differ
diff --git a/examples/img/Matrix07.png b/examples/img/Matrix07.png
index e669539..b0f7a92 100644
Binary files a/examples/img/Matrix07.png and b/examples/img/Matrix07.png differ
diff --git a/examples/img/Matrix08.png b/examples/img/Matrix08.png
index 140b1e5..d311127 100644
Binary files a/examples/img/Matrix08.png and b/examples/img/Matrix08.png differ
diff --git a/examples/img/Matrix09.png b/examples/img/Matrix09.png
index def1cbf..dd64b12 100644
Binary files a/examples/img/Matrix09.png and b/examples/img/Matrix09.png differ
diff --git a/examples/img/Matrix10.png b/examples/img/Matrix10.png
index dc50d8f..80f4a04 100644
Binary files a/examples/img/Matrix10.png and b/examples/img/Matrix10.png differ
diff --git a/examples/img/Matrix11.png b/examples/img/Matrix11.png
index 4722bdd..d91eb0b 100644
Binary files a/examples/img/Matrix11.png and b/examples/img/Matrix11.png differ
diff --git a/examples/img/Matrix12.png b/examples/img/Matrix12.png
index e9fbf6f..d30be4e 100644
Binary files a/examples/img/Matrix12.png and b/examples/img/Matrix12.png differ
diff --git a/examples/img/Matrix13.png b/examples/img/Matrix13.png
index 8354d2b..60df4db 100644
Binary files a/examples/img/Matrix13.png and b/examples/img/Matrix13.png differ
diff --git a/examples/img/Matrix14.png b/examples/img/Matrix14.png
index a155e73..2ebf61f 100644
Binary files a/examples/img/Matrix14.png and b/examples/img/Matrix14.png differ
diff --git a/examples/img/TransparentBackground.png b/examples/img/TransparentBackground.png
index c1c57d4..adfdcf7 100644
Binary files a/examples/img/TransparentBackground.png and b/examples/img/TransparentBackground.png differ
diff --git a/examples/img/UsingLayers.png b/examples/img/UsingLayers.png
index 4fbb732..1aba611 100644
Binary files a/examples/img/UsingLayers.png and b/examples/img/UsingLayers.png differ
diff --git a/methods.txt b/methods.txt
deleted file mode 100644
index e4ae656..0000000
--- a/methods.txt
+++ /dev/null
@@ -1,54 +0,0 @@
-Core:
-     1	    public function __construct()
-     2	    private function loadConf()
-     3	    public function config(string|array $configResource)
-     4	    public function layer(array $layer)
-     5	    public function layers(array $layers)
-    29	    public function getConfig(string|null $key = null)
-
-Attribute:
-     6	    public function limitX(int|float $lower, int|float $upper)
-     7	    public function limitY(int|float $lower, int|float $upper)
-     8	    public function resize(int $width, int $height)
-     9	    public function frame($xRatio, $yRatio)
-    25	    public function labelX(string $label)
-    26	    public function labelY(string $label)
-    27	    public function caption(string $caption)
-    28	    public function legends(array $legends)
-
-StyleCore:
-    10	    public function bgcolor(string|null $color = null)
-    11	    public function axis(int $width, string|null $color = null)
-    12	    public function grid(int $width, string|null $color = null)
-    13	    public function gridXPitch(int|float $pitch)
-    14	    public function gridYPitch(int|float $pitch)
-
-    15	    public function colors(array $colors)
-    16	    public function plotSize(int $size)
-    17	    public function fontPath(string $path)
-    18	    public function fontSize(int|float $size)
-    19	    public function fontColor(string $color)
-
-StyleAppendix:
-    20	    public function referenceLineX(int|float $x, int $width = 1, string $color = '#0000ff')
-    21	    public function referenceLineY(int|float $y, int $width = 1, string $color = '#0000ff')
-    22	    public function specificationLimitX(int|float $lower, int|float $upper, int $width = 1, string $color = '#ff00ff')
-    23	    public function specificationLimitY(int|float $lower, int|float $upper, int $width = 1, string $color = '#ff00ff')
-    24	    public function regressionLine(int $width, array $colors)
-
-VisibilityCore:
-    30	    public function gridXOn()
-    31	    public function gridXOff()
-    32	    public function gridYOn()
-    33	    public function gridYOff()
-    42	    public function legendOff()
-
-VisibilityAppendix:
-    34	    public function referenceLineXOff()
-    35	    public function referenceLineYOff()
-    36	    public function referenceLinesOff()
-    37	    public function specificationLimitXOff()
-    38	    public function specificationLimitYOff()
-    39	    public function specificationLimitsOff()
-    40	    public function regressionLineOn()
-    41	    public function regressionLineOff()
diff --git a/src/Analyzer.php b/src/Analyzer.php
index 4ae5514..aac5785 100644
--- a/src/Analyzer.php
+++ b/src/Analyzer.php
@@ -11,7 +11,6 @@
  * Class for analysis
  * @author  macocci7 <macocci7@yahoo.co.jp>
  * @license MIT
- * @SuppressWarnings(PHPMD.TooManyPublicMethods)
  */
 class Analyzer
 {
diff --git a/src/Plotter.php b/src/Plotter.php
index 9ad5500..ba2d68a 100644
--- a/src/Plotter.php
+++ b/src/Plotter.php
@@ -16,9 +16,6 @@
  * Class for plotting
  * @author  macocci7 <macocci7@yahoo.co.jp>
  * @license MIT
- * @SuppressWarnings(PHPMD.CyclomaticComplexity)
- * @SuppressWarnings(PHPMD.ExcessiveClassComplexity)
- * @SuppressWarnings(PHPMD.NPathComplexity)
  */
 class Plotter extends Analyzer
 {