
ການຈັດປະເພດ

Quiz
•
Computers
•
University
•
Medium
Vongpasith Phouthone
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຕົວຊີ້ວັດ "Information Gain" ຫຼື "Gini Index" ຖືກນຳໃຊ້ໃນ Algorithm ໃດເພື່ອຕັດສິນໃຈແຍກຂໍ້ມູນ?
Naïve Bayes
Decision Tree
k-Nearest Neighbors (k-NN)
Logistic Regression
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"Lazy Learner" ແມ່ນຄຳທີ່ມັກໃຊ້ອະທິບາຍ Algorithm ໃດ?
Decision Tree
Naïve Bayes
k-Nearest Neighbors (k-NN)
Support Vector Machine (SVM)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ສິ່ງໃດຕໍ່ໄປນີ້ ບໍ່ແມ່ນ ຂັ້ນຕອນໃນຂະບວນການຈັດປະເພດ?
ການກະກຽມຂໍ້ມູນ (Data Preparation)
ການສ້າງແບບຈຳລອງ (Model Building)
ການຈັດກຸ່ມຂໍ້ມູນ (Clustering)
ການປະເມີນແບບຈຳລອງ (Model Evaluation)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ໃນກໍລະນີທີ່ຊຸດຂໍ້ມູນບໍ່ສົມດຸນ (Imbalanced Dataset), ຕົວປະເມີນ (metric) ໃດອາດຈະບໍ່ສະທ້ອນປະສິດທິພາບທີ່ແທ້ຈິງຂອງແບບຈຳລອງໄດ້ດີ?
Precision
Recall
F1-Score
Accuracy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ບັນຫາ Overfitting ໃນການສ້າງແບບຈຳລອງການຈັດປະເພດໝາຍເຖິງຫຍັງ?
ແບບຈຳລອງງ່າຍເກີນໄປ ແລະ ບໍ່ສາມາດຈັບຮູບແບບທີ່ສຳຄັນໃນຂໍ້ມູນຝຶກຫັດໄດ້.
ແບບຈຳລອງເຮັດວຽກໄດ້ດີກັບຂໍ້ມູນຝຶກຫັດ ແຕ່ເຮັດວຽກໄດ້ບໍ່ດີກັບຂໍ້ມູນໃໝ່ (ຂໍ້ມູນທົດສອບ).
ແບບຈຳລອງໃຊ້ເວລາດົນເກີນໄປໃນການຝຶກຫັດ.
ຂໍ້ມູນຝຶກຫັດມີຈຳນວນໜ້ອຍເກີນໄປ.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຄ່າ Recall (Sensitivity) ວັດແທກຫຍັງ?
ອັດຕາສ່ວນຂອງການຄາດຄະເນທີ່ຖືກຕ້ອງທັງໝົດ.
ອັດຕາສ່ວນຂອງຕົວຢ່າງທີ່ເປັນ Positive ແທ້ ທີ່ຖືກຄາດຄະເນຢ່າງຖືກຕ້ອງວ່າເປັນ Positive.
ອັດຕາສ່ວນຂອງຕົວຢ່າງທີ່ຄາດຄະເນວ່າເປັນ Positive ທີ່ເປັນ Positive ແທ້.
ອັດຕາສ່ວນຂອງຕົວຢ່າງທີ່ເປັນ Negative ແທ້ ທີ່ຖືກຄາດຄະເນຢ່າງຖືກຕ້ອງວ່າເປັນ Negative.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ຖ້າແບບຈຳລອງການຈັດປະເພດມີຄ່າ Precision ສູງ, ມັນໝາຍຄວາມວ່າແນວໃດ?
ແບບຈຳລອງສາມາດກວດພົບຕົວຢ່າງທີ່ເປັນ Positive ທັງໝົດໄດ້ດີ.
ໃນບັນດາຕົວຢ່າງທີ່ແບບຈຳລອງຄາດຄະເນວ່າເປັນ Positive, ສ່ວນໃຫຍ່ແມ່ນ Positive ແທ້.
ແບບຈຳລອງມີຄວາມຖືກຕ້ອງໂດຍລວມສູງ.
ແບບຈຳລອງບໍ່ຄ່ອຍຄາດຄະເນຜິດພາດວ່າເປັນ Negative.
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