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partial #2251 - Churn Graphs Revision - new formula

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This commit is contained in:
pererinha 2013-12-26 10:37:23 -02:00
parent e3d2498ebb
commit 8679a8de59
1 changed files with 49 additions and 6 deletions
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55
include/library/Crunchbutton/Chart/Churn.php
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@ -11,8 +11,8 @@ class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
'activeDays' => 60,
'charts' => array(
'churn-rate-per-day' => array( 'title' => 'Day', 'interval' => 'day', 'type' => 'column', 'method' => 'byDay' ),
'churn-rate-per-week' => array( 'title' => 'Week', 'interval' => 'week', 'type' => 'column', 'method' => 'byWeek'),
'churn-rate-per-month' => array( 'title' => 'Month', 'interval' => 'month', 'type' => 'column', 'method' => 'byMonth'),
// 'churn-rate-per-week' => array( 'title' => 'Week', 'interval' => 'week', 'type' => 'column', 'method' => 'byWeek'),
// 'churn-rate-per-month' => array( 'title' => 'Month', 'interval' => 'month', 'type' => 'column', 'method' => 'byMonth'),
)
),
'group-churn-rate-per-active-user' => array(
@ -21,8 +21,8 @@ class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
'tags' => array( 'investors' ),
'charts' => array(
'churn-rate-per-active-user-per-day' => array( 'title' => 'Day', 'interval' => 'day', 'type' => 'column', 'method' => 'activeByDay'),
'churn-rate-per-active-user-per-week' => array( 'title' => 'Week', 'interval' => 'week', 'type' => 'column', 'method' => 'activeByWeek', 'filters' => array( array( 'title' => 'Community', 'type' => 'community', 'method' => 'activeByWeekByCommunity' ) ) ),
'churn-rate-per-active-user-per-month' => array( 'title' => 'Month', 'interval' => 'month', 'type' => 'column', 'method' => 'activeByMonth', 'filters' => array( array( 'title' => 'Community', 'type' => 'community', 'method' => 'activeByMonthByCommunity' ) ) ),
// 'churn-rate-per-active-user-per-week' => array( 'title' => 'Week', 'interval' => 'week', 'type' => 'column', 'method' => 'activeByWeek', 'filters' => array( array( 'title' => 'Community', 'type' => 'community', 'method' => 'activeByWeekByCommunity' ) ) ),
// 'churn-rate-per-active-user-per-month' => array( 'title' => 'Month', 'interval' => 'month', 'type' => 'column', 'method' => 'activeByMonth', 'filters' => array( array( 'title' => 'Community', 'type' => 'community', 'method' => 'activeByMonthByCommunity' ) ) ),
)
),
);
@ -32,7 +32,7 @@ class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
}
public function activeByDay( $render = false ){
/* OLD FORMULA
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByDay();
@ -62,6 +62,28 @@ class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
*/
$user = new Crunchbutton_Chart_User();
$daysForward = $this->activeUsersInterval;
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
// Formula #2251
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$activeToday = $activeUsers[ $i ];
$activeForwardDays = $activeUsers[ ( $i + $daysForward ) ]->Total;
$activeForwardDaysPlusOne = $activeUsers[ ( $i + $daysForward + 1 ) ]->Total;
$newForwardDays = $newUsers[ ( $i + $daysForward ) ]->Total;
$newForwardDaysPlusOne = $newUsers[ ( $i + $daysForward + 1 ) ]->Total;
$churn = ( ( $activeForwardDaysPlusOne + $newForwardDaysPlusOne ) - $activeForwardDaysPlusOne ) / $activeToday;
// Do not show the negatives
// $churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => '%', 'interval' => 'day' );
}
return $data;
}
public function activeByMonthByCommunity( $render = false ){
@ -268,7 +290,7 @@ class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
}
public function byDay( $render = false ){
/* THE OLD AND WRONG FORMULA
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByDay();
@ -293,6 +315,27 @@ class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
*/
$user = new Crunchbutton_Chart_User();
$daysForward = $this->activeUsersInterval;
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
// Formula #2251
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$activeForwardDays = $activeUsers[ ( $i + $daysForward ) ]->Total;
$activeForwardDaysPlusOne = $activeUsers[ ( $i + $daysForward + 1 ) ]->Total;
$newForwardDays = $newUsers[ ( $i + $daysForward ) ]->Total;
$newForwardDaysPlusOne = $newUsers[ ( $i + $daysForward + 1 ) ]->Total;
$churn = ( ( $activeForwardDaysPlusOne + $newForwardDaysPlusOne ) - $activeForwardDaysPlusOne );
// Do not show the negatives
$churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
}
public function byMonth( $render = false ){