Learning den jhu - We can frequently find capable Learning Den tutors, but only if we know there is a need.

 
They can give valuable advice on everything from studying for exams and managing your time to finding clubs that fit your interests. . Learning den jhu

Here you can find the information you need to get help with your math coursework, become an undergraduate teaching assistant, or apply. 43 and at Brown it is 3. JHU Portal under the Education icon. Contact the MPH program. To expedite the process, complete Study Consulting. Please email tutoringjhu. Study Consulting Phone 410-516-5506 Email sharleen. 18 languages available. Students will. Visit the learning den website to schedule appointment online or walk-in. Follow along as each step of the EBP process is put into action at the bedside to improve patient outcomes. We accept MPH applications on a rolling basis, even after our priority deadline of December 1 for. arXiv preprint arXiv2111. 3101 Wyman Park Drive Baltimore, MD 21218. Research Interest My research lies at the intersection of machine learning and computer vision, driven by the goal of developing flexible and general-purpose intelligent systems. I am currently a Post-doctoral Fellow in the Biomedical Engineering Department at Johns Hopkins University. Course Information Course Math 202 Calculus III. Let's Meet Connect with us at recruiting events and more. However, all will live in some sort of a den environment crafted either underground, in a cave or in dense brush. Office of the Provost. Tutoring is available through PILOT (Peer-led Team Learning) in Calculus II, Linear Algebra, Differential Equations & Applications, and Physics I & II, among several other classes. In particular, lack of vocabulary and lack of speaking environment badly affect the learners' effective oral communication. But if you wanna go right to industry, youll have to work harder than people at similar caliber schools. Professor Valentin Zakharevich (You may call me Val) Email vzakhar2jhu. Visit the learning den website to schedule appointment online or walk-in. The program is run by Ms Hope Fisher. Step 1 You will be scheduled to observe a PILOT session. Aaron Carass Johns Hopkins University Verified email at jhu. The Learning Den - JHU Jul 2021 - May 2023 1 year 11 months. Level Lower Level Undergraduate. WSE Undergraduates To make an appointment with a WSE. , Sunday through Thursday, and students can sign up through their JHU portal or stop by the Learning Den desk in Gilman Hall, located outside the Hut. Jobs JHU. Our peer listeners are undergraduate students who have been selected and trained in 50 hours of active listening skills and crisis intervention through the JHU Counseling Center. 345 Public Health Biostatistics, Bloomberg School of Public Health, Johns Hopkins University. httpsacademicsupport. USUs OpenCourseWare (OCW) provides open access to educational resources in different subjects like Anthropology, Biological and Irrigation Engineering, and Education. Academics are super important at Johns Hopkins. A big part of overcoming procrastination is setting realistic goals. Email vzakhar2jhu. Novel Coronavirus (COVID-19) Cases, provided by JHU CSSE. Discover how Johns Hopkins Medicine, headquartered in Baltimore, Maryland, is pushing the boundaries of biomedical discovery, transforming health care, advancing medical education and creating hope for humanity. This is a live-online course in which students participate in live weekly lectures and discussions. With 12 concentrations to choose from, students can tailor their degree to their unique goals while completing classes at their own pace on campus, fully online, or a mix of the two. arXiv preprint arXiv2111. A modular design invites extensions. To book an appointment with a study consultant, please visit. In the process, they learn to solve problems, design projects, and express themselves creatively on the computer. Its flexible interface allows users to configure and arrange workflows in data science, scientific computing, computational journalism, and machine learning. SMILE is the University Experiential Learning platform that connects current students to paid campus internships and employment opportunities across Johns Hopkins University. Don&39;t pull all-nighters studying. Please email me if you are interested in joining our lab. , by Marsden and Tromba. The Johns Hopkins School of Educations full-time PhD program offers an individually tailored learning experience based on a students interest in finding solutions to pressing education problems. Study Consulting Phone 410-516-5506 Email sharleen. JHU Undergraduate Admissions on Instagram JHU. E-mail rvidal at jhu dot edu. Shattuck, III, JHH Board Chair. Instructors Mihaela Pertea, PhD. The Learning Den tutoring schedule is now live. The program is run by Ms Hope Fisher. Domingo Avil&233;s, The Athenian Law(s) on Homologia 51 Martin Beckmann, The Bath-Gymnasium Complex at Nysa on the Meander Survey and Excavation, 2010 155 Gabriela Cursaru, Les sandales dHerm&232;s, III. If you memorize these, it will make it very easy to remember how to form the rest of the Japanese numbers numbers. Learning Den tutor applicants should have experience with mentoring or. The Learning Den - JHU Jul 2021 - May 2023 1 year 11 months. Take the next step toward your personal and professional goals with Coursera. For the past 10 years, I have used the Buzan mind mapping technique regularly for brainstorming, project management, reflection, and speech writing, to name a few examples. Instructor(s) Credits. Overcoming Procrastination. Students are expected to bring questions or. 60 Utah State University Free Online Courses. We accept MPH applications on a rolling basis, even after our priority deadline of December 1 for. My friend and I who are pilot leaders have both worked at the. Assistant Director of Academic Support. All brains are not equal because context and ability influence learning. Top Resources How You Spend Your Time Budget your time by tracking your schedule for a week. We have robust advising resourcesincluding your faculty mentor and faculty office hoursas well as peer-learning programs to help you improve your study skills, get tutoring in specific classes, and collaborate with your classmates. The average GPA is something around 3. Office of the Provost. University Experiential Learning serves all JHU studentswork-study and non work. In an email sent last week to early learning center families, university leaders announced that the new center will be built at the corner of University Parkway. Filter Clear All Filters. PILOT Learning. Wyman Park Building, Suite W500. The Office of International Services is prepared to assist international students, scholars, researchers, clinicians, staff, and faculty with visas and immigration. HUDL ambassadors (httpsprovost. The series builds intellectual and social bridges to fill gaps left during this time of physical social distancing, and excite the scholarly community to bring new. I'm Dadash. Six Hidden (and Not-So-Hidden) Factors Driving Americas Student Absenteeism Crisis. The course is exemplary. 150 people like this 156 people follow this httpsacademicsupport. Each problem set is designed to complement content covered in lectures and challenge students to actively engage in problem-solving strategies. PILOT Students are organized into study teams of six to 10 members who meet weekly with a trained student leader who facilitates the meetings. These programs are drop-in tutoring that focuses on specific courses, help rooms to support specific departments, and personalized tutoring. Afshar et al. ScienceDaily, 26 January 2022. JHU Center for Indigenous Health. However, all will live in some sort of a den environment crafted either underground, in a cave or in dense brush. Meetings for this course Monday&39;s and Wednesday&39;s from 500-630PM - Tutors can assist with but are not limited to. We are using a new platform Penji to handle registration for PILOT, Learning Den Tutoring and Study Consulting Express. encouraged to call the Johns Hopkins COVID-19 Call Center at 833-546-7546, seven days a week, between 7am and 7pm. After learning the foundation material, the course participants will be divided to groups of 2-3 students each. If you have any questions about the reimbursement process you can contact Richard Brown (Director of Undergraduate Studies) at 410-516-8179 or richardbrownjhu. Learning Den Phone 410-516-8216 Email tutoringjhu. 7 programming assignments Total 1,260 minutes. Learning Den Phone 410-516-8216 Email tutoringjhu. Exported functions htlgmm fit a generalized linear model via penalized generalized method of moments. Please see below for specifics PILOT LearningPeer-Led Team Learning Students are organized into small study teams who meet weekly to collaborate on faculty developed problems-sets. The Learning Den provides free, drop-in tutoring for all registered students in the Krieger School of Arts and Sciences and the Whiting School of Engineering. Your responses will help leadership understand which features, such as searching and viewing your learning history, are important to you as it develops myLearning 2. swirl Lesson 4 Vectors 180 minutes. Ask the right questions, manipulate data sets, and create visualizations to communicate results. Mayo A. Email summerjhu. Login - Jupiter. Coding is the new literacy With ScratchJr, young children (ages 5-7) can program their own interactive stories and games. Communities represent each of our. Your child can spend their summer learning from anywhere and having fun while exploring their favorite topics. Aaron Carass Johns Hopkins University Verified email at jhu. Mellon Professor of the Humanities at Johns Hopkins University. We accept MPH applications on a rolling basis, even after our priority deadline of December 1 for. A trained student leader acts as captain and facilitates the meetings. edu and 6 . We had the best time celebrating our senior OASLearning Den employees and the end of the semester today Special thank you to Prigel Family Creamery for. Enhancing hyperspectral imaging. Contact Ariane Kelly, ariane. Directions below. Tutoring is a year-long or two semester commitment. Learning Den tutor applicants should have experience with mentoring or tutoring, good people skills, patience, and received a A or better in the courses they would like to support. Help Room and Study Space. JHU Learning Den Tutoring Personalized Tutor Sep 2022 - Present The Learning Den is an on-campus academic support program that allows for students to. Following this, the animal character will speak. It is designed for students trained in engineering disciplines or from other careers with interest in deepening their background. The MS Analytics is a full time 3 to 4 semester program that allows the students to gain knowledge and skills to solve real world problems in a successful career in Analytics and Data Science. About us. The pay is nice, and they do compensate you for planning time, though. The Learning Den currently supports 28 courses and is working on adding more tutors as the semester unfolds. JHU undergraduate students can register directly through the Student Information System. The program will run session Sunday through Thursday from 5pm-11pm. 150 people like this 156 people follow this httpsacademicsupport. Using the latest tools and teachings available to scientists and doctors, we become healers. Assistant Director of Academic Support. He was born and raised in Brooklyn, New York, and he attended Cornell University for undergraduate studies and Johns Hopkins for medical school. Learning Den Phone 410-516-8216 Email tutoringjhu. International Travel. Jobs JHU. About the Center. Learning Den & Writing Center Tutors in the Learning Den and the Writing Center can also assist you with course-specific material. HUDL ambassadors (httpsprovost. 21) and accuracy (84). However, as a suggestion, don&39;t apply to programs because of the name of the school. Learning Den Provides tutoring for small groups (a maximum of six students in each group), for all registered Krieger School of Arts and Sciences and Whiting School of Engineering students. I am looking for self-motivated Ph. edu PILOT Learning Phone 410-516-8216 Email ariane. The Learning Den offers three free programs to all registered students in the Krieger School of Arts and Sciences and Whiting School of Engineering. The program will run session Sunday through Thursday from 5pm-11pm. Study Consulting Phone 410-516-5506 Email. The Learning Den. - 710 p. 105 College Algebra which is 3 credits. Wyman Park Building, Suite W500. College Reading and Learning Associations. View the requirements for the BA degree in chemistry on the. Choose from more than 60 online classes offered through Coursera, a leading provider of massive open online courses, or MOOCs. The MS in Computer Science - Data Science provides students with a core background in Computer Science and specialized algorithmic, statistical, and systems expertise in acquiring, storing, accessing, analyzing, and visualizing large, heterogeneous and real-time data associated with diverse real-world domains including. For faculty, administrators, and policymakers, JGE is the professional forum for discussing issues in general education today. Everything we do begins with quality instruction. In this course. The Learning Den currently supports 28 courses and is working on adding more tutors as the semester unfolds. , Sunday through Thursday, and students can sign up through their JHU portal or stop by the Learning Den desk in Gilman Hall, located outside the Hut. The Learning Den currently supports 28 courses and is working on adding more tutors as the semester unfolds. In this course, you must be honest and truthful. 154 likes. Students should consult their respective school's websites for advising information. The last day of tutoring for this semester will be Dec. Part of the Johns Hopkins Office of Academic Support, the Learning Den Tutoring Program offers free tutoring sessions to Hopkins students. Learners who complete this specialization will be prepared to take the Data Science Statistics and Machine Learning specialization, in which they build a data. The student-consultant pair meets for one. Stressful, of course, but that comes with the territory of a PhD. Note Application materials should be mailed co Application Coordinator at the address. Please see below for specifics PILOT LearningPeer-Led Team Learning Students are organized into small study teams who meet weekly to collaborate on faculty developed problems-sets. Our online courses, open to visiting high. Charles St, Baltimore, MD 21218. He received his bachelors degree from MIT and PhD from Princeton, both in mathematics. Learning Den, PILOT). Request Info Receive more information about the Bloomberg School. For more information, visit the Learning Den Tutoring page of the Academic Support website. In four intensive courses, you will learn what you need to know to begin assembling and leading a data science enterprise, even if you have never worked in data science before. By utilizing a Residential Experience Plan (REP), we have committed to three learning goals that all our initiatives, programs, and events connect to Develop Life-Long Learners. Hyperspectral imaging can reveal important information without the need for staining. Welcome to Babbel for Business. Huge difference between undergrad and grad, but I think it&39;s mostly because grad school is self-driven. also makes learning R more fun 1. The International Teaching and Global Leadership masters degree cohort program prepares innovative educators to lead the transformation of schools, systems, and other fast-changing learning environments around the world. Explore Johns Hopkins Universitys staff compensation program, which targets competitive pay based on job skills, knowledge, and related experience. For current questions, please reach out to OIS via oisjhu. What professors interest you from a research and teaching perspective. S&229; er du p&229; det rigtige sted i vores onlineapotek Nyd et bredt udvalg af h&248;jkvalitetsmedicin til nedsatte priser. This course gives an introduction to the basic concepts and core principles used to structure modern computer operating systems. The Master of Public Health (MPH) is our most flexible degree. USUs OpenCourseWare (OCW) provides open access to educational resources in different subjects like Anthropology, Biological and Irrigation Engineering, and Education. The program will run session Sunday through Thursday from 5pm-11pm. The park-like campus is spacious and woodeda. By utilizing a Residential Experience Plan (REP), we have committed to three learning goals that all our initiatives, programs, and events connect to Develop Life-Long Learners. edu for help. He specifically asks them to recommend great students. Take the next step toward your personal and professional goals with Coursera. Non &232; possibile visualizzare una descrizione perch&233; il sito non lo consente. Advising, Mentorship & Resources. Learning Den Tutoring. University Experiential Learning serves all JHU studentswork-study and non work. The COVID-19 crisis has created an unprecedented need for contact tracing across the country, requiring thousands of people to learn key skills quickly. Admissions by the Numbers. These are four clips from our Canvas Introduction and Overview Training Introduction to Global Navigation, Account Settings, Notifications, and Help Resources (19 minutes) Adding Your Syllabus (2 minutes) Introduction to Modules, the Rich Content Editor, and Adding Content (26 minutes) Introduction to Assignments, SpeedGrader, Weighting. Typically, the recommendation is to select three. edu 410-516-4259. In an email sent last week to early learning center families, university leaders announced that the new center will be built at the corner of University Parkway. Visit the website (above) to access zoom links for drop-in sessions. From academic advisors to faculty and peer mentors, youll have a strong support network to make sure youre able to take full advantage of the opportunities at Hopkins. Assistant Director of Academic Support Study Consulting and Arrive & Thrive. Learning Den Tutoring. Tutoring Help The Office of Academic Support offers tutoring through the Learning Den, PILOT, and Study Consulting. Contact Ariane Kelly, ariane. From academic advisors to faculty and peer mentors, youll have a strong support network to make sure youre able to take full advantage of the opportunities at Hopkins. Recht gegen Recht Widerspruch, Kollision, und Revolution, in Ein Recht auf Widerstand gegen den Staat Verteidigung und Kritik des. By deciding to do more than you are able to in a day, you inevitably disappoint and demotivate yourself. We will be offering similar online sessions to support students registered for summer programming. We had the best time celebrating our senior OASLearning Den employees and the end of the semester today Special thank you to Prigel Family Creamery for our delicious ice cream sundae bar We are. PILOT is a loose acronym for peer-led-team learning. Project Overview 10 minutes. The Learning Den offers small group tutoring on campus in The Hut, in Gilman Hall, Sundays through Thursdays from 5 to 11 p. 3101 Wyman Park Drive Baltimore, MD 21218. Help Room and Study Space. if you want to stay at hopkins, i would consider the possibility of taking a medical leave for this semester and coming back when classes are in person. He was a Simons fellow at UC Berkeley in fall 2021. Designed & Developed by The Johns Hopkins Technology Innovation Center. Address Wyman Park, 5th Floor 3100 Wyman Park Drive Baltimore, MD 21218. Admissions by the Numbers. Location Hodson 110 (Sections 1-3, 5-8) and Hodson 210 (Sections 4 and 8) No make-up exams will be offered in this course. A modular design invites extensions. In addition, in a similar study by Nourelahi et al. This can be done by interacting with medical personnel at the HU Bayview Hospital, JHU School of Medicine or other institutes. indeed jobs north carolina, drippingcreampies

Gaussian processes (GPs) provide a principled, practical, probabilistic approach to learning in kernel machines. . Learning den jhu

 Learn more about Dadash Huseynzade's work experience, education,. . Learning den jhu queen bri leaked

PILOT Learning Program of Johns Hopkins University. He specifically asks them to recommend great students. Current TA for 110. There are two huge differences between the learning process at Hopkins and the learning process at your high school 1) Learning does not take place primarily in the Hopkins classroom. Johns Hopkins maintains two data repositories for the information collected by the Coronavirus Resource Center between Jan. swirl Lesson 2 Workspace and Files 180 minutes. Visit the learning den website to schedule appointment online or walk-in. It provides a blueprint for designing strategies, materials, and. Course Information Course Math 202 Calculus III. Please refer to our major-specific help rooms for assistance during times when Learning Den support is not available. Our programs are certified by the College Reading and Learning Associations. edu Office Krieger 218 Office Hours Wednesday 2-4 or by appointment. Gap Year 80 of Hopkins pre-medical students take a gap year. Fall courses run from August 28 to December 12, 2023. Notes This course uses the Virtual Live format. The series builds intellectual and social bridges to fill gaps left during this time of physical social distancing, and excite the scholarly community to bring new. Step 3 You may receive an invitation to interview one-on-one with PILOT Learning staff. PILOT Learning Phone 410-516-8216 Email ariane. This means having an organized study schedule, focusing on problem areas, doing practice problems, and reaching out for help when you need it. Try to avoid studying past 1 or 2 AM and definitely get at least 6 hours of sleep a night, especially before a test. E-mail john. also makes learning R more fun 1. Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Please be aware that Johns Hopkins University has recently updated the Travel and Business Expense Policy, effective July 1, 2021. , 2021. Access your CB Bridges requirements from your myCB To-Do List by clicking on the blue CB Bridges. also makes learning R more fun 1. Format In-person. To prove this, JHU is building an extension to the library rather than a student center which we do not have. Teaching Assistant. Students can begin making appointments on Monday, September 9 th Student Appointments Students are able to make appointments through their MY. About HR. All-electrical detection of biomolecules and specifically nucleic acids are of great interest for gene-expression investigations 1, pharmacogenomics 2, drug discovery 3, and molecular diagnostics. Please refer to our major-specific help rooms for assistance during times when Learning Den support is not available. The Office of Academic Support offers programs to improve study skills, provide subject-specific tutoring, and encourage peer to peer collaborative learning. The output, y is the river flow and input, x is the catchment area in this example. What professors interest you from a research and teaching perspective. Starts Dec 7. Home Reviews Videos Photos About See all Part of the Johns Hopkins Office of Academic Support, the Learning Den Tutoring Program offers free tutoring sessions to Hopkins students. Center for Talented Youth. Sign in to your Microsoft account with SAML2 authentication. Address Wyman Park, 5th Floor 3100 Wyman Park Drive Baltimore, MD 21218. My research has primarily focused on two critical steps toward this goal, (1) to encode enormously complex raw visual signals to structured representations that are easier to. Assistant Director of Academic Support. The Learning Collaborative is part of the School of Nursings commitment to providing support and resources to enable students to succeed at the highest levels. They respond to campus emergencies or crises 24 hours per day. swirl Lesson 5 Missing Values 180 minutes. engineering johns-hopkins-university jhu csse 2019-ncov coronavirus covid-19 systems-science Updated Jun 10, 2023; nytimes covid-19-data Star 7k. Youll get a crash course in data science so that youll be conversant in the field and understand your role as a leader. Mayo A. PILOT Learning. Ask the right questions, manipulate data sets, and create visualizations to communicate results. Check out CTY&39;s online summer courses. Visit the website (above) to access zoom links for drop-in sessions. Deep learning JHU CS 482 682 assignments. 2020 - 2023. If you have any questions about the reimbursement process you can contact Richard Brown (Director of Undergraduate Studies) at 410-516-8179 or richardbrownjhu. edu) to support the use of universal design principles in courses university-wide. JHU Portal under the Education icon. supporting transdisciplinary learning and transformative poli-cies in research organisations and funders (Schneider et al. Please see below for specifics PILOT LearningPeer-Led Team Learning Students are organized into small study teams who meet weekly to collaborate on faculty developed problems-sets. About HR. Explain the purpose of assignments. Study Consulting Phone 410-516-5506 Email sharleen. Fikre Lemessa, both of whom have already had their visible footprints in the course of the development of the university to its current stature. Medicine Matters Sharing successes, challenges and daily happenings in the Department of Medicine Provost Sunil Kumar and Deans and faculty from across JHU schools were honored to receive H. supporting transdisciplinary learning and transformative poli-cies in research organisations and funders (Schneider et al. Office Hours Tuesday 2-4pm, Sunday 2-4pm. Active Versus Passive Learning. Christopher Falzone Office New Chemistry 314 410-516-7467 falzonejhu. Learn R, in R. Competition if you want there to be. httpsacademicsupport. Students are expected to bring questions or. Step 2 You will be scheduled to attend a group interview and a technical interview with a panel of Advisory Board PILOT Leaders and experienced PILOT Leader staff. Phone (410) 516-8171 Fax (410) 516-6025 Email addresses General questions gotojhujhu. There is no charge to take advantage of this. Designed & Developed by The Johns Hopkins Technology Innovation Center. Learning Solutions is looking for your input as it evaluates how best to meet the growing needs of the enterprise. International Travel. There are two huge differences between the learning process at Hopkins and the learning process at your high school 1) Learning does not take place primarily in the Hopkins classroom. Spring courses run from January 22 to May 19, 2024. For fun, he is a huge soccer fan and ardent supporter of Tottenham Hotspur. Learning Den Tutors Hub staff report Sep 27, 2019 Learning Den tutor applicants should have experience with mentoring or tutoring, good people skills, patience, and received a A or better in the courses they would like to support. Wyman Park Building, Suite W500. Try to replace relative directory path directory 'Flicker8k' with full absolute path to the Flicker8k directory (seems like you are on Windows so something that looks like CmyprojectFlicker8k or if you are on linux. In the Capstone Project, youll apply the skills learned by building a data product using real-world data. The Learning Den offers small group tutoring on campus in The Hut, in Gilman Hall, Sundays through Thursdays from 5 to 11 p. Drop-in. This course is part of Genomic Data Science Specialization. Wyman Park Building, Suite W500. edu The Learning Den small group and 11 tutoring PILOT Peer-Led Team Learning Study Consulting 11 support around success strategies Academic support programs are Peer led Free It&39;s not too late to ask for help. 345 Public Health Biostatistics, Bloomberg School of Public Health, Johns Hopkins University. Home Reviews Videos Photos About See all Part of the Johns Hopkins Office of Academic Support, the Learning Den Tutoring Program offers free tutoring sessions to Hopkins students. The pay is nice, and they do compensate you for planning time, though. For more information, visit the Learning Den Tutoring page of the Academic Support website. edu 192 Gilman 410-516-5230. Learning Den Phone 410-516-8216 Email tutoringjhu. Visit the learning den website to schedule appointment online or walk-in. Cours intensif sur la science des donn&233;es. edu PILOT Learning Phone 410-516-8216 Email ariane. Christopher Falzone Office New Chemistry 314 410-516-7467 falzonejhu. Review all necessary materials, including PowerPoint slides, class notes, textbooks, etc. For faculty, administrators, and policymakers, JGE is the professional forum for discussing issues in general education today. 345 Public Health Biostatistics, Bloomberg School of Public Health, Johns Hopkins University. The pay is nice, and they do compensate you for planning time, though. Coursework includes core and selected focus-area courses. ICCV 2023 . We will introduce methods to perform systematic reviews and meta-analysis of clinical trials. GPs have received increased attention in the machine-learning community over the past decade, and this book provides a long-needed systematic and unified treatment of theoretical and practical. Students work together as a team to solve problems. Tutors in the Learning Den and the Writing Center can also assist you with course-specific material. Wyman Park Building, Suite W500. edu The Learning Den small group and 11 tutoring PILOT Peer-Led Team Learning Study Consulting 11 support around success strategies Academic support programs are Peer led Free It&39;s not too late to ask for help. The first numbers from 0 to 10 in Japanese form the basis of all the numbers up to ninety-nine. In our study, we will show babies a series of simple videos in which an animal character repeatedly reaches for a soccer ball. In the process, they learn to solve problems, design projects, and express themselves creatively on the computer. . mako hojo