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  1. Background: Seeq has functions in Formula to remove outliers based on different algorithms, but sometimes it is desired to identify and remove outliers that falls outside of the interquartile range. Solution: The approach we can take to solve this data cleansing problem in Seeq is to determine the periods over which we want to calculate the quartiles, calculate new signals from the 25th and 75th percentiles during each of those periods, identify deviations from those percentiles, and remove data outside of the IQR from our original signal. 1. The first step is to decide
  2. Hello Everyone, I hope you are doing well. I need some help with creating a function. I have multiple conditions that I have created that tell me if the equipment is stopped, lag, standby, or other attributes. I want to be able to be able to: ADD Durations for when equipment is stopped and in lag OR when the equipment is stopped or standby. ADD Durations for when equipment is stopped but not in lag or standby. The example variables are in hours. Stopped ($i5) Standby($i6) Lag ($i) I would appreciate the help.
  3. FAQ: For reporting purposes, I want to calculate statistics based on the current period to date and display that next to the periods immediately preceding it. This is easy to do using the custom date range tool in Organizer Topic (Creating a Periodic Condition and the grabbing the capsule closest to or offset by 1 from the end). Is there a way to create these same date ranges relevant to the current time in Seeq Workbench? Solution: We can create identical conditions in Seeq Workbench by following the methods below. The first method defines how to create conditions
  4. Need to clarify the difference between a "calendar month" (per an actual calendar) and a "normalized month" (365/12) Example screenshots: 1. I set the time window to 1 month, starting January 1st at 12:00am. It ends January 31st at 10:00am. This is a "normalized month" 2. I do an integral over months, UTC-12:00. It resets on the 1st of each month at 6:00am. This is a "calendar month". 3. If I manually type in "6 months," it is 1/1/2020 12:01am to 7/1/2020 1:01pm. However if I manually type in "26 weeks" it is automatically converted by Seeq to "6 mon
  5. Summary There are many use cases where the user wants to do an aggregation over a periodic time frame, but only include certain values. Examples abound: for cement calculate the average daily clinker production only when the kiln is running, for biotech pharma the standard deviation of dissolved oxygen only when the batch is running, etc. Here our user is looking into equipment reliability for compressors. She wants to calculate the average daily compressor power to examine its performance over time. Steps 1. Add the signal into Seeq. 2. Use the 'Periodic Condition'
  6. FAQ: I would like to create a condition for the summer season that runs from May 1 - September 30, but when I use the Periodic Condition tool to create a monthly condition and select the months May-September, I get individual monthly capsules rather than one capsule for the entire summer. Is there a better way to do this using Seeq's tools? Solution 1 - Using Seeq Point & Click Tools: 1. Use the Periodic Condition tool to create a condition for May. 2. Use the Periodic Condition tool to create a condition for September. 3. Use the Composite Condition
  7. I have created a daily condition in Seeq using the Periodic Condition tool. Why don't the capsules start at midnight? For example, in the screenshot below the "Daily" capsules start at 11:00PM (see the Capsules pane) instead of midnight (12:00AM). This results when the user interface (UI) time zone does not match that of the Seeq Server. In this example the Seeq Server time zone is US/Eastern but the UI time zone is US/Central. To make the UI time zone match, the user can click on the UI time zone link (noted by the red box in the screenshot: trend display, x-axis, right of timestamp):
  8. I have a Boolean signal and would like to count the number of events over a specified time period. How can this be accomplished in Seeq? Thanks, Sam
  9. Overview: This technique example explores two methods for assessing equipment operating conditions per unit of time (i.e. total operating hours per week in this example) using Signal from Conditions (Presented as a Bar Graph) and Histogram. The Signal from Condition approach transforms a condition into a new signal using an equation or statistical function (in this case we will use an equation and the “TotalDuration” function). The approach using the Histogram tool allows transforming a signal into a "value" domain. For example, for a given segment of time, plot the distribution of va
  10. Currently I am using the Periodic Condition to be able to view average capacities hourly, however I'd like to know if there is a way to obtain these averages every minute. What I am are trying to achieve here is to be able to see the average capacities every minute of our tags and if at the same time this data could be portrayed as a signal so that we can compare the averages with our original signal in one single lane if both are possible together. Thanks again.
  11. Rolling averages are frequently used in Seeq to smooth signals. Calculating a rolling average requires creating a Periodic Condition and then applying the Signal from Condition tool to aggregate the signal of interest over the bounding periodic condition. Sometimes, we want to calculate a rolling statistic over a time frame not listed in the Periodic Condition tool (anything < hours). To create a periodic condition for periods of time not offered in the tool, the Seeq formula tool can be used with the periods() function. For example, a 15 minute periodic condition can be created by en
  12. Hello, This might be a simple question but have not been ale to find help anywhere (Being a beginner). I would like to know how to calculate hourly avg trend of a signal which is one sec interval. What I am thinking is: Suppose signal is = $a a) Create value search for hourly capsules? b) Taking avg of during those capsules using formula search? However I would like the time range for this hourly avg to be dependent on time slider. Which means that sliding time should update the trend. Any help (Formula snippets) would be appreciated.
  13. Is Seeq able to create the graph below? Note that the left-hand side plots the yearly average, while the right-hand side plots the monthly average. Ideally I would like this all displayed on one graph. Currently, our only workaround is to create 2 separate graphs (one for the yearly averages and one for the monthly averages) and display them side by side.
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