Analysis with Programming

$\mathrm{\LaTeX}$ has the capability to draw beautiful graphics. This feature is possible with Ti k Z package. Here is the plot of $f(x) = x$, In $\mathrm{\LaTeX}$, everything has to be coded. From axes, to labels, to points on the $xy$-plane; that explains why four lines of codes, only for single, very simple plot.

There will be upcoming meet ups for R User Group Philippines and Python Philippines (PythonPH) Community. Below are the details: R Meetup topic: R for SAS users, and planning of RUG activities   venue: 9/F Sun Life Centre, 5th Avenue corner Rizal Drive,             Bonifacio Global City, 1634, Taguig date: Thursday, June 19, 2014          7:00 pm outline: Introducing R to SAS users; common SAS functions used at PPD - c/o Mark Javellosa; group discussion on equivalent packages in R; and, Sharing of experiences of actual SAS converts. Question? Ask here .

Warning: Twitter have redesigned the interface of their developers' page, thus the screenshots below are now useless. But this has nothing to do with the codes, so you can still use it. It's been two weeks for search and rescue operations of the Malaysia Airlines Flight MH370, after it vanished from the radar on March 8, 2014. And wherever they are, we hope and pray for them. Photo from VENUS - Wall of Hope & Prayers for MH370 In this post, we are going to do text data mining on Twitter tweets containing #PrayForMH370 from March 8, to March 20, 2014 using Twitter API. First, we need to have an authentication on the Twitter API, to obtain the data. In the proceeding tutorial, the idea and codes for Twitter authentication were based from Julianhi's amazing blog , and I am going to replicate his code to save a copy of it.

We are going to explore the basics of Statistics using Python. And we'll go through the following: Importing the data; Apply summary statistics; Other measures of variability (variance and coefficient of variation); Other measures of position (percentile and decile); Estimate the Skewness and Kurtosis; and bonus, Visualize the histogram; Data -- volume of palay (rice) production from five regions (Abra, Apayao, Benguet, Ifugao, and Kalinga) of the central Luzon, Philippines. To import this, execute the following: To check the first and last five entries of the data, use head() and tail() methods, respectively; and to apply the summary statistics, use the describe() method,

To the R users based in the Philippines , there will be upcoming meetup, here are the details: topics: Markov Switching Models in R            by Ohly Santos            How to use the optim function in R            by Joe Brillantes venue: 9/F Sun Life Centre, 5th Avenue corner Rizal Drive,             Bonifacio Global City, 1634, Taguig date:    Friday March 28, 2014            7:00 PM to 9:00 PM (Philippine Standard Time) deadline for RSVP:            Sunday March 23, 2014            11:59 PM (Philippine Standard Time) important:            Please fill up the form before the deadline for RSVP. Your admi...

Finally, here it is, check out the video below as Stephen Wolfram showcases the Wolfram language , From my previous post , I said that I used Wolfram Mathematica for about a year before I embrace R . And frankly, I've been in love with Mathematica; it never stops on suprising me every time I use it. You can have beautiful, interactive 3D plots or any type of plots in just few lines of code; you can estimate symbolically the maximum likelihood of a distribution; and many fun stuffs. In fact, I have screencasts on Youtube about Mathematica, here it is

There is a question on TeX - StackExchange that has no direct solution to the installation of the qtree - TeX Live package in Ubuntu. And I want to answer that in this post, then just drop the link of this article to the comment section of the said query. So here is what I did: Open the Ubuntu Dash , and search for Ubuntu Software Center ; In the Software Center, search for qtree ; Select the first entry ( Humanities Packages ), and click on More Info to confirm if qtree is indeed included in this item; Finally, click . There you go, you can try it now. Here is a simple Statistics problem from Elementary Statistics Book of MSU-IIT Department of Mathematics and Statistics that uses tree diagram,