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Using Crystal Reports with Limesurvey
While Limesurvey is a very nice tool to create and manage web surveys, it’s a bit lacking in the reporting area. The functions are a limited and even if you want a quick and dirty, but presentable...
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Incoming call popup under Ubuntu and Asterisk
When I worked in a survey firm, I was tasked with building a VOIP system to cut costs and to raise productivity. The biggest productivity drain in an outbound call center is the dialing time and...
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Limesurvey: How to import responses from a modified deactivated table
A good number of my consulting clients use the very useful and powerful survey tool Limesurvey. Unfortunately, since version 1.92+, it seems impossible to reimport deactivated responses tables into...
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Asterisk Call Notifications to PushBullet
Pushbullet Notification for an Incoming Call – no, it’s not my real phone number :-) Several years ago, I wrote a python script to notify me when my asterisk server got an incoming call. I programmed...
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15 Years of News – Analyzing CNN Transcripts: Visualizing Topics
High-level visualization of topics in CNN’s corpus By extracting several topics from our news corpus, we gained a 10,000 feet view of corpus. We were able to outline many trends and events, but it took...
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Chart Miner – Exploring 2d Projections
T-SNE, PCA and other dimensionality reduction algorithms have always been a good way to visualize high-dimensionality datasets. Unfortunately, most of the time, the visualization stops there. If...
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