CS 361

Fall 2026 All Classes

All Classes

Probability & Statistics for Computer Science

Credit: 3 hours.

Introduction to probability theory and statistics with applications to computer science. Topics include: visualizing datasets, summarizing data, basic descriptive statistics, conditional probability, independence, Bayes theorem, random variables, joint and conditional distributions, expectation, variance and covariance, central limit theorem. Markov inequality, Chebyshev inequality, law of large numbers, Markov chains, simulation, the PageRank algorithm, populations and sampling, sample mean, standard error, maximum likelihood estimation, Bayes estimation, hypothesis testing, confidence intervals, linear regression, principal component analysis, classification, and decision trees.

Credit is not given toward graduation for: Credit is not given for both CS 361 and ECE 313. Prerequisite: MATH 220 or MATH 221. Credit or concurrent registration in one of MATH 225, MATH 227, MATH 257, MATH 415, MATH 416, ASRM 406 or BIOE 210.

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CS 361 class schedule data for fall 2026
CRN	Type	Section	Time	Day	Location	Instructor	Section Details
72361	Discussion/ Recitation	ADA	9:00AM -9:50AM	M	0218 Siebel Center for Comp Sci		Availability: Pending Part of Term: 1 Date Range: 08/24/26-12/09/26
66306	Discussion/ Recitation	ADB	10:00AM -10:50AM	M	0218 Siebel Center for Comp Sci		Availability: Open Part of Term: 1 Date Range: 08/24/26-12/09/26
66307	Discussion/ Recitation	ADC	11:00AM -11:50AM	M	0218 Siebel Center for Comp Sci		Availability: Open Part of Term: 1 Date Range: 08/24/26-12/09/26
66303	Discussion/ Recitation	ADD	12:00PM -12:50PM	M	0218 Siebel Center for Comp Sci		Availability: Open Part of Term: 1 Date Range: 08/24/26-12/09/26
66304	Discussion/ Recitation	ADE	1:00PM -1:50PM	M	0218 Siebel Center for Comp Sci		Availability: Closed Part of Term: 1 Date Range: 08/24/26-12/09/26
66305	Discussion/ Recitation	ADF	2:00PM -2:50PM	M	0218 Siebel Center for Comp Sci		Availability: Closed Part of Term: 1 Date Range: 08/24/26-12/09/26
76052	Discussion/ Recitation	ADG	3:00PM -3:50PM	M	0218 Siebel Center for Comp Sci		Availability: Pending Part of Term: 1 Date Range: 08/24/26-12/09/26
66298	Lecture	AL1	12:30PM -1:45PM	TR	100 Materials Science & Eng Bld	Liu, H	Availability: Open (Restricted) Part of Term: 1 Date Range: 08/24/26-12/09/26 Section Info: For up-to-date information about CS course restrictions, please see the following link: http://go.cs.illinois.edu/csregister Restriction(s): Restricted to Undergrad - Urbana-Champaign. Not intended for First Time Freshman students.
76056	Discussion/ Recitation Online Discussion Online Lecture	CSP CSP CSP	ARRANGED 10:00AM -10:50AM ARRANGED	n.a. M n.a.	ARR Illini Center n.a. n.a.	Liu, H Liu, H Liu, H	Availability: Open (Restricted) Part of Term: 1 Date Range: 08/24/26-12/09/26 Section Info: This section is intended for Chicago City Scholars only. There may be online and in person components. This discussion section will be hybrid with the section in Urbana at that same time meeting in SIEBL-0220. You are responsible for completing homeworks, quizzes, and any in person activities that are required. Please speak with your professor regarding expectations. Quizzes and exams will be given in the Chicago CBTF at 200 S. Wacker Dr. Chicago. For up-to-date information about CS course restrictions, please see the following link: http:// go.cs.illinois.edu/csregister. Restriction(s): Restricted to Undergrad - Urbana-Champaign. Restricted to O/C Engineering City Scholars students.