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Advanced Analytics

Rick WicklinJanuary 18, 2011 0

Visualizing trends in the US mobile phone industry

A colleague posted some data on his internal SAS blog about key trends in the US Mobile phone industry, as reported by comScore. He graciously shared the data so that I could create a graph that visualizes the trends. The plot visualizes trends in the data: the Android phone is

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Advanced Analytics

Rick WicklinJanuary 17, 2011 0

On the flip side: Exchanging rows and columns

When your data are in rows, but you need them in columns, use the matrix transpose function or operator. The same advice applies to data in columns that you want to be in rows. For example, the vectors created by the DO function and the index creation operator are row

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Advanced Analytics

Rick WicklinJanuary 14, 2011 0

Two-Letter initials: Which are the most common?

A colleague related the following story: He was taking notes at a meeting that was attended by a fairly large group of people (about 20). As each person made a comment or presented information, he recorded the two-letter initials of the person who spoke. After the meeting was over, he

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