Merge pull request #245 from Joshua-Dias-Barreto/Readme

Added a DataFrame>> #rows and tests. Fixes #244

Author: jecisc

src/DataFrame-Tests/DataFrameTest.class.st

@@ -4927,6 +4927,18 @@ DataFrameTest >> testRowsFromToPut [
 	self assert: dataFrame equals: expected
 ]
 
+{ #category : #tests }
+DataFrameTest >> testRowsMethod [
+
+	| expectedCollection |
+	expectedCollection := {
+		                      (df rowAt: 1).
+		                      (df rowAt: 2).
+		                      (df rowAt: 3) } asArray.
+
+	self assert: df rows equals: expectedCollection
+]
+
 { #category : #tests }
 DataFrameTest >> testRowsPut [
 	| rowNames columnNames dataFrame newRows expected |

src/DataFrame/DataFrame.class.st

@@ -2052,6 +2052,13 @@ DataFrame >> rowNames: anArray [
 	self privateRowNames: anArray
 ]
 
+{ #category : #accessing }
+DataFrame >> rows [
+	"Returns a collection of all rows"
+
+	^ (1 to: self numberOfRows) collect: [ :j | self rowAt: j ]
+]
+
 { #category : #accessing }
 DataFrame >> rows: anArrayOfNames [
 	"Returns a collection of rows whose row names are present in the array anArrayOfNames"