v1.0.26 - fix stdv

.github/workflows/dart.yml

@@ -9,41 +9,71 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
-
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: dart-lang/setup-dart@v1
       - name: Dart version
         run: |
           dart --version
           uname -a
       - name: Install dependencies
         run: dart pub get
+      - name: Upgrade dependencies
+        run: dart pub upgrade
       - name: dart format
         run: dart format -o none --set-exit-if-changed .
       - name: dart analyze
         run: dart analyze --fatal-infos --fatal-warnings .
       - name: dependency_validator
         run: dart run dependency_validator
-      - name: Run tests (VM)
-        run: dart test --platform vm
-      - name: Run tests (Chrome)
-        run: dart test --platform chrome
       - name: dart doc
         run: dart doc --dry-run
+      - name: dart pub publish --dry-run
+        run: dart pub publish --dry-run
+
+  test_vm:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dart-lang/setup-dart@v1
+      - name: Dart version
+        run: |
+          dart --version
+          uname -a
+      - name: Install dependencies
+        run: dart pub get
+      - name: Upgrade dependencies
+        run: dart pub upgrade
+      - name: Run tests (VM)
+        run: dart test --platform vm --coverage=./coverage
       - name: Generate coverage report
         run: |
           dart pub global activate coverage
-          dart run test --coverage=./coverage
           dart pub global run coverage:format_coverage --packages=.dart_tool/package_config.json --report-on=lib --lcov -o ./coverage/lcov.info -i ./coverage
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v1
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           directory: ./coverage/
           flags: unittests
           env_vars: OS,DART
           fail_ci_if_error: true
           verbose: true
-      - name: dart pub publish --dry-run
-        run: dart pub publish --dry-run
 
+
+  test_chrome:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: dart-lang/setup-dart@v1
+      - name: Dart version
+        run: |
+          dart --version
+          uname -a
+      - name: Install dependencies
+        run: dart pub get
+      - name: Upgrade dependencies
+        run: dart pub upgrade
+      - name: Run tests (Chrome)
+        run: dart test --platform chrome

CHANGELOG.md

@@ -1,3 +1,15 @@
+## 1.0.26
+
+- Fix:
+  - `IterableNumExtension.standardDeviation`.
+  - `IterableDoubleExtension.standardDeviation`.
+  - `DecimalOnIterableDecimalExtension.standardDeviation`.
+  - `DynamicIntOnIterableDynamicNumberExtension.standardDeviation`.
+
+- sdk: '>=2.14.0 <4.0.0'
+- intl: ^0.18.1
+- dependency_validator: ^3.2.3
+
 ## 1.0.25
 
 - `Decimal`:

lib/src/statistics_decimal.dart

@@ -1666,7 +1666,7 @@ extension DecimalOnIterableDecimalExtension on Iterable<Decimal> {
 
     var average = mean;
 
-    var first = itr.current;
+    var first = itr.current - average;
     var total = first * first;
 
     while (itr.moveNext()) {

lib/src/statistics_dynamic_int.dart

@@ -1610,7 +1610,7 @@ extension DynamicIntOnIterableDynamicNumberExtension
 
     var average = mean;
 
-    var first = itr.current;
+    var first = itr.current - average;
     var total = first * first;
 
     while (itr.moveNext()) {
@@ -1690,7 +1690,7 @@ extension DynamicIntOnIterableDynamicIntExtension on Iterable<DynamicInt> {
 
     var average = mean;
 
-    var first = itr.current;
+    var first = itr.current - average;
     var total = first * first;
 
     while (itr.moveNext()) {

lib/src/statistics_extension_num.dart

@@ -148,7 +148,7 @@ extension IterableNumExtension on Iterable<num> {
 
     var average = mean;
 
-    var first = itr.current;
+    var first = itr.current - average;
     var total = first * first;
 
     while (itr.moveNext()) {
@@ -439,7 +439,7 @@ extension IterableDoubleExtension on Iterable<double> {
 
     var average = mean;
 
-    var first = itr.current;
+    var first = itr.current - average;
     var total = first * first;
 
     while (itr.moveNext()) {
@@ -731,7 +731,7 @@ extension IterableIntExtension on Iterable<int> {
 
     var average = mean;
 
-    var first = itr.current;
+    var first = itr.current - average;
     var total = (first * first).toDouble();
 
     while (itr.moveNext()) {

pubspec.yaml

@@ -1,20 +1,20 @@
 name: statistics
 description: Statistics package for easy and efficient data manipulation with built-in Bayesian Network (Bayes Net), many mathematical functions and tools.
-version: 1.0.25
+version: 1.0.26
 homepage: https://github.com/gmpassos/statistics
 
 environment:
-  sdk: '>=2.14.0 <3.0.0'
+  sdk: '>=2.14.0 <4.0.0'
 
 dependencies:
-  intl: ^0.18.0
+  intl: ^0.18.1
   collection: ^1.17.0
   data_serializer: ^1.0.7
 
 dev_dependencies:
   lints: ^2.0.1
   test: ^1.24.0
-  dependency_validator: ^3.2.2
+  dependency_validator: ^3.2.3
   coverage: ^1.6.3
 
 #dependency_overrides:

test/statistics_extension_num_test.dart

@@ -266,8 +266,8 @@ void main() {
     test('standardDeviation', () {
       expect(<int>[].standardDeviation, equals(0));
       expect([0].standardDeviation, equals(0));
-      expect([10].standardDeviation, equals(10));
-      expect([10, 20].standardDeviation, equals(7.905694150420948));
+      expect([10].standardDeviation, equals(0));
+      expect([10, 20].standardDeviation, equals(5));
       expect(<int>[10, 20, 30].standardDeviation, equals(8.16496580927726));
     });
 
@@ -551,8 +551,8 @@ void main() {
     test('standardDeviation', () {
       expect(<double>[].standardDeviation, equals(0));
       expect(<double>[0.0].standardDeviation, equals(0));
-      expect(<double>[10.0].standardDeviation, equals(10));
-      expect(<double>[10.0, 20.0].standardDeviation, equals(7.905694150420948));
+      expect(<double>[10.0].standardDeviation, equals(0));
+      expect(<double>[10.0, 20.0].standardDeviation, equals(5));
       expect(<double>[10.0, 20.0, 30.0].standardDeviation,
           equals(8.16496580927726));
     });
@@ -784,8 +784,8 @@ void main() {
     test('standardDeviation', () {
       expect(<num>[].standardDeviation, equals(0));
       expect(<num>[0.0].standardDeviation, equals(0));
-      expect(<num>[10].standardDeviation, equals(10));
-      expect(<num>[10, 20.0].standardDeviation, equals(7.905694150420948));
+      expect(<num>[10].standardDeviation, equals(0));
+      expect(<num>[10, 20.0].standardDeviation, equals(5.0));
       expect(<num>[10.0, 20, 30.0].standardDeviation, equals(8.16496580927726));
     });
 

test/statistics_tools_test.dart

@@ -81,8 +81,8 @@ void main() {
     test('standardDeviation', () {
       expect(<int>[].standardDeviation, equals(0));
       expect([0].standardDeviation, equals(0));
-      expect([10].standardDeviation, equals(10));
-      expect([10, 20].standardDeviation, equals(7.905694150420948));
+      expect([10].standardDeviation, equals(0));
+      expect([10, 20].standardDeviation, equals(5));
       expect([10, 20, 30].standardDeviation, equals(8.16496580927726));
     });
 
@@ -274,7 +274,7 @@ void main() {
       expect(
           chronometer.toString(),
           matches(RegExp(
-              r'^test\{ [\d.]+ \w+ · hertz: [\d.]+ Hz · ops: [\d,]+ » [\d.]+\% · ETOC: [\d.]+ \w+ · start: [\d-]+ [\d:.-]+ \.\. \d+\.\d+ \}$')));
+              r'^test\{ [\d.]+ \w+ · hertz: [\d.]+ Hz · ops: [\d,]+ » [\d.]+% · ETOC: [\d.]+ \w+ · start: [\d-]+ [\d:.-]+ \.\. \d+\.\d+ \}$')));
 
       var chronometer2 = Chronometer('test2');