Monday, January 25, 2010
Old Posts
Some old (substantive) posts collected here:
2009:
July
March
February
My travelogue:
US-India
India-US
Job Application to The Lantern: Sample Essay
2009:
July
March
February
My travelogue:
US-India
India-US
Job Application to The Lantern: Sample Essay
Monday, January 18, 2010
Enrollment Statistics
I conducted a student survey on "perceptions regarding water and wastewater issues on OSU campus" in November 2009. I got working on analyzing the data. But before I could go too far, I needed to know some details on the demographic make-up of the student body at The Ohio State University, so I could compare my population demography with that of my survey sample.
Here is some interesting information about the demographic composition of OSU students in Columbus campus.
* Male: Female ratio - 51.86: 48.14
* Domestic: International - 92:8
* Ohio: Other states - 85.62: 14.38
* Undergraduate: Graduate: Professional - 75: 19: 6
Now, some information on enrollment by academic break-up:
The most popular major on campus (by numbers): hmmm....Computer Science? Philosophy? Biology? .....The answer is Exploration (in other words, Undecided) with 2816 students. At least, it is better than ending up in the wrong major.
Not accounting for undecided students and the 391 who are part of the Undergraduate Student Academic Services, I have divided the rest (includes undergraduate, graduate and professional students) into 17 colleges. Here's how they match-up against each other (click on the image get high-res view):

Engineering is the most popular field, no surprises there, with 7843 students. But I was surprised to see that the College of Social and Behavioral Sciences has the second-most number of students on campus (7416). In fact, if you separate Architecture (788 students) from Engineering, there are more social scientists studying on campus than engineers! College of Business comes in third with 6540 students, while the next big college is that of Education and Human Ecology (5706 students). The smallest colleges are that of Public Health and Nursing with about 270 students enrolled in each.
China sends the largest set of international students to Ohio State, with 1411 students, followed by Republic of Korea (read South Korea) and India, with about 700 students each. The number of Chinese students jumped 44% compared to last year, while those from other countries including Korea and India dropped by about 3%. Due to the large jump in the enrollment of Chinese students this year compared to the last, the number of international students on OSU campus went up by 7.7% over last year.
Finally, I noticed that there is one international student from Haiti. I hope his/her family and relatives are safe after the massive earthquake. If you are interested in more information, please open this pdf file from the Registrar's website. Information for each Quarter is available here.
Here is some interesting information about the demographic composition of OSU students in Columbus campus.
* Male: Female ratio - 51.86: 48.14
* Domestic: International - 92:8
* Ohio: Other states - 85.62: 14.38
* Undergraduate: Graduate: Professional - 75: 19: 6
Now, some information on enrollment by academic break-up:
The most popular major on campus (by numbers): hmmm....Computer Science? Philosophy? Biology? .....The answer is Exploration (in other words, Undecided) with 2816 students. At least, it is better than ending up in the wrong major.
Not accounting for undecided students and the 391 who are part of the Undergraduate Student Academic Services, I have divided the rest (includes undergraduate, graduate and professional students) into 17 colleges. Here's how they match-up against each other (click on the image get high-res view):

Engineering is the most popular field, no surprises there, with 7843 students. But I was surprised to see that the College of Social and Behavioral Sciences has the second-most number of students on campus (7416). In fact, if you separate Architecture (788 students) from Engineering, there are more social scientists studying on campus than engineers! College of Business comes in third with 6540 students, while the next big college is that of Education and Human Ecology (5706 students). The smallest colleges are that of Public Health and Nursing with about 270 students enrolled in each.
China sends the largest set of international students to Ohio State, with 1411 students, followed by Republic of Korea (read South Korea) and India, with about 700 students each. The number of Chinese students jumped 44% compared to last year, while those from other countries including Korea and India dropped by about 3%. Due to the large jump in the enrollment of Chinese students this year compared to the last, the number of international students on OSU campus went up by 7.7% over last year.
Finally, I noticed that there is one international student from Haiti. I hope his/her family and relatives are safe after the massive earthquake. If you are interested in more information, please open this pdf file from the Registrar's website. Information for each Quarter is available here.
Thursday, January 07, 2010
In Print
My second journal article is in print. Click here if you are using a university computer/connection, or click here to view the pdf version.
Citation: S. Vedachalam, J. P. Schmiedeler, K. M. Mancl. 2009. Automation of Delivery Device for Chlorine Dioxide Disinfection. Applied Engineering in Agriculture. 25(6): 915-921.
Wednesday, January 06, 2010
Consumer Surplus
More than 3 months ago, I had posted about the quirky way in which my paper got accepted at a conference. Click here to revisit history. At that time, it wasn't decided if I would go and present at the conference.
It's now decided and sealed. I am going to Boston in March to present at the Urban River Restoration Conference. I talked to my project guide in December, and he indicated that there were $500 left in the project account and I could use that amount to fund my travel. In effect, there was a willingness to pay upto $500 for the travel expense.
That's when I discovered Bing Travel. You may hate Microsoft for whatever reasons, but you've got to love Bing Travel. It is the only website to offer predictions on the best time to purchase tickets. Based on historical records, it gives you a simple indicator of whether fares will go up or down in the next few days and what is your best course of action (buy tickets now/wait). I tried it, waited for more than a week, but got what I wanted - cheap fares to Boston.
I bought my tickets today for $283. Assuming that I spend $50 for checking in a bag, I still spend $333 for travel from the project account. This means that Consumer Surplus for the project account is $500 - $333 = $167. This surplus can now be used for some other project-related expense in the future. Consumer surplus is an important concept in economics and I will let you read more about it on Wikipedia.
It's now decided and sealed. I am going to Boston in March to present at the Urban River Restoration Conference. I talked to my project guide in December, and he indicated that there were $500 left in the project account and I could use that amount to fund my travel. In effect, there was a willingness to pay upto $500 for the travel expense.
That's when I discovered Bing Travel. You may hate Microsoft for whatever reasons, but you've got to love Bing Travel. It is the only website to offer predictions on the best time to purchase tickets. Based on historical records, it gives you a simple indicator of whether fares will go up or down in the next few days and what is your best course of action (buy tickets now/wait). I tried it, waited for more than a week, but got what I wanted - cheap fares to Boston.
I bought my tickets today for $283. Assuming that I spend $50 for checking in a bag, I still spend $333 for travel from the project account. This means that Consumer Surplus for the project account is $500 - $333 = $167. This surplus can now be used for some other project-related expense in the future. Consumer surplus is an important concept in economics and I will let you read more about it on Wikipedia.
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