############dor 1#############
rm(list = ls())
alpha1=c()
d1=c()
x=c(40,45,50,55,60,65,70,75,80)
Q1=c(0.4,0.5,0.6,0.725,0.85,0.9,0.95,0.975,1)
Q2=c(0.3,0.475,0.65,0.725,0.80,0.85,0.9,0.95,1)
Q3=c(0,0.4,0.45,0.50,0.575,0.65,0.8,0.95,0.975)
Q4=c(0,0.45,0.65,0.725,0.8,0.825,0.85,0.925,1)
Q5=c(0,0,0.3,0.5,0.7,0.775,0.85,0.9,0.95)
Q6=c(0,0.25,0.425,0.6,0.7,0.8,0.85,0.9,0.95)


M=matrix(0,6,length(x)) 
M[1,]=Q1
M[2,]=Q2
M[3,]=Q3
M[4,]=Q4
M[5,]=Q5
M[6,]=Q6
M
for(j in 1:length(x))
{
alpha1[j]=(1/6)*sum(sapply(1:6,function(i)M[i,j]))
d1[j]=(1/6)*sum(sapply(1:6,function(i)(M[i,j]-alpha1[j])^2))
}
alpha1
d1
########################dor 2##########################
rm(list = ls())
alpha2=c()
d2=c()
x2=c(40,45,50,55,60,65,70,75,80)
Q11=c(0.4,0.5,0.6,0.725,0.85,0.9,0.95,0.975,1)
Q21=c(0.3,0.475,0.65,0.725,0.80,0.85,0.9,0.95,1)
Q31=c(0.25,0.4,0.45,0.50,0.575,0.65,0.8,0.95,0.975)
Q41=c(0.3,0.5,0.65,0.725,0.8,0.825,0.85,0.925,1)
Q51=c(0.15,0.3,0.45,0.55,0.7,0.775,0.85,0.9,0.95)
Q61=c(0.15,0.3,0.5,0.6,0.7,0.8,0.85,0.9,0.95)

Q1=c(0.4,0.5,0.6,0.725,0.85,0.9,0.95,0.975,1)
Q2=c(0.3,0.475,0.65,0.725,0.80,0.85,0.9,0.95,1)
Q3=c(0,0.4,0.45,0.50,0.575,0.65,0.8,0.95,0.975)
Q4=c(0,0.45,0.65,0.725,0.8,0.825,0.85,0.925,1)
Q5=c(0,0,0.3,0.5,0.7,0.775,0.85,0.9,0.95)
Q6=c(0,0.25,0.425,0.6,0.7,0.8,0.85,0.9,0.95)

M2=matrix(0,6,length(x2)) 
M2[1,]=Q11
M2[2,]=Q21
M2[3,]=Q31
M2[4,]=Q41
M2[5,]=Q51
M2[6,]=Q61
M2
for(j in 1:length(x2))
{
alpha2[j]=(1/6)*sum(sapply(1:6,function(i)M2[i,j]))
d2[j]=(1/6)*sum(sapply(1:6,function(i)(M2[i,j]-alpha2[j])^2))
}
alpha2
d2
<pre>An Error occurred while handling another error:
yii\web\HeadersAlreadySentException: Headers already sent in  on line 0. in /var/www/html/prof-homepages/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /var/www/html/prof-homepages/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /var/www/html/prof-homepages/vendor/yiisoft/yii2/web/ErrorHandler.php(136): yii\web\Response-&gt;send()
#2 /var/www/html/prof-homepages/vendor/yiisoft/yii2/base/ErrorHandler.php(135): yii\web\ErrorHandler-&gt;renderException()
#3 [internal function]: yii\base\ErrorHandler-&gt;handleException()
#4 {main}
Previous exception:
yii\web\HeadersAlreadySentException: Headers already sent in  on line 0. in /var/www/html/prof-homepages/vendor/yiisoft/yii2/web/Response.php:366
Stack trace:
#0 /var/www/html/prof-homepages/vendor/yiisoft/yii2/web/Response.php(339): yii\web\Response-&gt;sendHeaders()
#1 /var/www/html/prof-homepages/vendor/yiisoft/yii2/base/Application.php(656): yii\web\Response-&gt;send()
#2 /var/www/html/prof-homepages/vendor/faravaghi/yii2-filemanager/models/Files.php(696): yii\base\Application-&gt;end()
#3 /var/www/html/prof-homepages/vendor/faravaghi/yii2-filemanager/controllers/FilesController.php(484): faravaghi\filemanager\models\Files-&gt;getFile()
#4 [internal function]: faravaghi\filemanager\controllers\FilesController-&gt;actionGetFile()
#5 /var/www/html/prof-homepages/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array()
#6 /var/www/html/prof-homepages/vendor/yiisoft/yii2/base/Controller.php(180): yii\base\InlineAction-&gt;runWithParams()
#7 /var/www/html/prof-homepages/vendor/yiisoft/yii2/base/Module.php(528): yii\base\Controller-&gt;runAction()
#8 /var/www/html/prof-homepages/vendor/yiisoft/yii2/web/Application.php(103): yii\base\Module-&gt;runAction()
#9 /var/www/html/prof-homepages/vendor/yiisoft/yii2/base/Application.php(386): yii\web\Application-&gt;handleRequest()
#10 /var/www/html/prof-homepages/frontend/web/index.php(18): yii\base\Application-&gt;run()
#11 {main}</pre>