Five generated e-mail messages
$Type
[1] 3

$Nigerian_scam
[1] 0

$Ordinary_money_mail
[1] 0

$Viagra_sales
[1] 0

$Ordinary_medical_mail
[1] 0

$trust
[1] 0

$Nigeria
[1] 0

$bank
[1] 0

$money
[1] 0

$sex
[1] 0

$Viagra
[1] 0

$diagnose
[1] 0

$HTML
[1] 0

$Type
[1] -1

$Nigerian_scam
[1] 1

$Ordinary_money_mail
[1] 0

$Viagra_sales
[1] 0

$Ordinary_medical_mail
[1] 0

$trust
[1] 1

$Nigeria
[1] 1

$bank
[1] 0

$money
[1] 1

$sex
[1] 0

$Viagra
[1] 0

$diagnose
[1] 0

$HTML
[1] 1

$Type
[1] -3

$Nigerian_scam
[1] 0

$Ordinary_money_mail
[1] 0

$Viagra_sales
[1] 0

$Ordinary_medical_mail
[1] 0

$trust
[1] 0

$Nigeria
[1] 0

$bank
[1] 0

$money
[1] 1

$sex
[1] 0

$Viagra
[1] 0

$diagnose
[1] 0

$HTML
[1] 0

$Type
[1] -3

$Nigerian_scam
[1] 0

$Ordinary_money_mail
[1] 0

$Viagra_sales
[1] 0

$Ordinary_medical_mail
[1] 0

$trust
[1] 0

$Nigeria
[1] 1

$bank
[1] 0

$money
[1] 0

$sex
[1] 0

$Viagra
[1] 0

$diagnose
[1] 0

$HTML
[1] 1

$Type
[1] -1

$Nigerian_scam
[1] 1

$Ordinary_money_mail
[1] 0

$Viagra_sales
[1] 0

$Ordinary_medical_mail
[1] 0

$trust
[1] 0

$Nigeria
[1] 0

$bank
[1] 1

$money
[1] 1

$sex
[1] 0

$Viagra
[1] 0

$diagnose
[1] 0

$HTML
[1] 0


Output of spam_probability for six test messages - first run
[1] 0.391
[1] 0.5981308
[1] 1
[1] NaN
[1] 1
[1] NaN

Output of spam_probability for six test messages - second run
[1] 0.369
[1] 0.5784314
[1] 1
[1] 0.3333333
[1] 1
[1] 1

Output of spam_probability for six test messages - third run
[1] 0.372
[1] 0.6444444
[1] 1
[1] 0.3333333
[1] 1
[1] NaN