I have a system that stores the data only when they are changed. So, the dataset looks like below. data_type_id data_value inserted_at 2 240 2022-01-19 17:20:52 1 30 2022-01-19 17:20:47 2 239 2022-01-19 17:20:42 1 29 2022-01-19 17:20:42 My data frequency is every 5 seconds. So, whether there’s any timestamp or not I need to get the result by assuming
Tag: missing-data
BigQuery SQL: How to find missing Values on comparing two tables over date range?
Have got two Bigquery tables as shown below: Table 1: Table 2: Scenario: Have to find missing Stores of Table 1 for each date comparing with Table 2 Stores. Expected Output: To list each missing Stores for each date on comparing. Tried Query: But this query doesn’t shows up the respective Report_Date, instead it shows ‘null’. Answer Using a calendar
finding missing dates in a time interval (SQL)
I am a bit of a noob with SQL, so I was searching for some bit of code that might help me find missing date values for a time interval when I stumbled upon this code. Link to the code It works really well for my problem but I am not able to understand how it increments the date. I
Groupby fill missing values in dataframe based on average of previous values available and next value available
I have data frame which has some groups and I want to fill the missing values based on last previous available and next value available average of score column i.e. (previous value+next value)/2. I …