Statistical Thinking (STIPS) course has a new home
Our popular Statistical Thinking for Industrial Problem Solving (STIPS) course, which is hosted by our colleagues in SAS Education, is being transitioned to the new SAS learning platform.
Our popular Statistical Thinking for Industrial Problem Solving (STIPS) course, which is hosted by our colleagues in SAS Education, is being transitioned to the new SAS learning platform.
Is it possible to optimize a plasma-enhanced chemical vapor deposition (PECVD) with just 25 test wafers? Absolutely! In semiconductor manufacturing, constraints such as a 25-wafer run on a tool are common, but they don’t have to limit success. Leveraging process data to inform experiment design is a winning strategy for getting effective results with limited resources.
In semiconductor manufacturing, defects can result in scrap and sunk costs. When not detected, they can adversely impact device functionality and cause end-user failures. Defects can lead to large financial losses and damaged reputations. There is value in making the statistical models used to minimize defects as accurate as possible. Standard least squares regression is often the go-to method for...
Revisit the plenary talks and the paper presentations from the Early User Edition of Discovery Summit.
We'll host you and your fellow JMP users in St. Louis for Discovery Summit, Oct. 17-20. Make plans to exchange ideas, and play with new and proven statistical techniques.
The variation in statistics parallels our need for variation in our statisticians.
A cognitive psychology blog recently published an interesting post about an important and long-standing problem with scientific publications: Most researchers don't understand error bars. Error bars are graphical elements included in a statistical plot to represent the uncertainty in a sample statistic. They are important to JMP users, as error bars are commonly mentioned when users are asked ab...
The best way to make an impact when sharing your statistical discoveries is with compelling graphical output – an area where the data visualization paradigm of JMP is ideal. This four-part blog series will look at some of the options you have for exporting your visualizations created in JMP to graphic files that are ideally suited to your needs. This first article will look at the graphical ou...
This post shows how the Definitive Screening Design can be used to assess and improve analytic methods.
What is the probability that we can detect non-negligible effects given a specified model?
Montgomery County, Maryland, publishes all traffic violations since 2013, now totaling more than 780,000 incidents. Besides the location and details of the violations, the table also contains information about the vehicles involved, such as make, model, year and color. It’s car colors that I want to explore here.Even though the violations go back only to 2013, the model year of the cars goes back ...
A baby sea turtle that has just hatchedI spend a fair amount of time at the North Carolina coast, specifically at Oak Island. Over the years, I’ve noticed the attention given to saving the sea turtles, but I didn’t get involved with this endeavor until the summer of 2014.I happened to witness a nest hatching with my mom one evening, and it was amazing to watch all those tiny turtles emerge and ma...
When I was growing up in the Midwest (Columbia, MO, to be precise), flavored potato chips were a favorite of mine. Though I preferred sour cream and onion, barbecue would do in a pinch. Imagine my delight, then, when my colleague Ryan Lekivetz informed me that our neighbors to the North had an entire new range of chip flavors to try!And imagine my disappointment when I found out that two of the mo...
Each taster in the choice experiment got a set of potato chips like this. Can you guess which one is the ketchup-flavored chip?I grew up in Canada, where ketchup potato chips were a staple at most children's birthday parties. As a huge fan of these ketchup chips, I was unsure whether my enjoyment of the wonderful flavor was simply nostalgia and whether other people unfamiliar with the flavor woul...
Today I mourn the passing of George Box, truly a giant among 20th century statisticians. Indeed, I should not relegate him to the 20th century because he won the Brumbaugh Award in 2010 and 2007 for writing papers that made in their year of publication the largest single contribution to the development of industrial application of quality control.Professor Box was 93. The last time I saw him was a...
When I was at the JMP Discovery Summit last year, several people asked me, “What’s a three-way chart and why would I need one?” Not everyone needs one, but some might. In this blog post, I’ll tell you more about them and why you might want to use them.The Centers of Disease Control (CDC) is advising all adolescent girls, and more recently, adolescent boys to receive the full three-dose sequence fo...
Many years ago, we added the Presummarized control charts to JMP version 5 at the request of folks in the semiconductor industry. While there are many types of Presummarized control charts, one of the most common is the chart called, “Individuals on Group Means,” which plots the subgroup average just like an XBar chart, but uses the overall moving range between each consecutive average for sigma w...
In my first Control Chart Builder blog post “Control Charts are easy in JMP 10,” I used a column named “Date” on the X-axis. When I downloaded the data, it didn’t arrive as a date; I had to create the date column from the original month and year columns. Traditionally, when you had more than one variable or column of interest on an axis, you needed to create a new variable with a formula similar t...
In my last blog post, I noted that the Control Chart Builder is an overhaul of the older Control Chart platform. One of the most requested features for Control Charts was to offer a way to customize the tests that flag out-of-control samples. I’m happy to report that the new Control Chart Builder platform in JMP 10 has an option to customize the tests – plus you can save the customization to your ...
JMP 10 introduces a snazzy way to create control charts with a new platform called Control Chart Builder. JMP's prior Control Charts were designed over two decades ago for the classic process engineer in manufacturing and were past due for an overhaul.The more we listened to which customers were running control charts and how they were using them, the more I was surprised to learn that people fro...