Why Use This Data Source In Your Models?
CDC Case Task Force
The data shows auto correlation and a non-normal distribution. The data should be differenced. While the Order Norm transformation, provides the best normality, the Yeo Johnson variable will also perform well.
Data is unable to be distributed by time or geography. The roll up method used is Weighted Average.
Data shows auto correlation indicating a need for differencing
The ACF indicates 1 order differencing is appropriate.
Following first order differencing, no further differencing is required based on the differenced ACF at lag one of -0.33
The Kwiatkowski-Phillips-Schmidt-Shin (KPSS) test, KPSS Trend = 0.32 p-value = 0.01 indicates that the data is not stationary.
The Shapiro-Wilk test returned W = 0.57 with a p-value =0.00 indicating the data does not follow a normal distribution.
A skewness score of 4.41 indicates the data are substantially skewed.
Hartigan's dip test score of 0.02 with a p-value of 0.01 inidcates the data is multimodal
Auto Correlation Function
Auto Correlation Function After Differencing
Partial Auto Correlation Function
Seasonal and Trend Decompostion
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data science treatments and transformations, including (but not limited to) Differencing, Lead/Lag, Box Cox. Easily manipulate data across different time and geographic grains.
Our Patent Pending iterative testing engine allows you to upload your target variable, and the platform will test for possible statistical relationships across all available data sources. Saving you time and removing analyst bias.
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