Why Use This Data Source In Your Models?
The China / US exchange rate measures the rate of Chinese Yuan to one US dollar. This is indicative of
China / US Foreign Exchange Rate
Board of Governors of Fed Reserve System
Foreign Exchange Rate
Chinese Yuan to One U.S. Dollar, Not Seasonally Adjusted
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 -0.49
The Kwiatkowski-Phillips-Schmidt-Shin (KPSS) test, KPSS Trend = 0.87 p-value = 0.01 indicates that the data is not stationary.
The Shapiro-Wilk test returned W = 0.39 with a p-value =0.00 indicating the data does not follow a normal distribution.
A skewness score of -4.25 indicates the data are substantially skewed.
Hartigan's dip test score of 0.03 with a p-value of 0.00 inidcates the data is multimodal
Auto Correlation Function
Auto Correlation Function After Differencing
Partial Auto Correlation Function
Seasonal and Trend Decompostion
Board of Governors of the Federal Reserve System (US), China / U.S. Foreign Exchange Rate [DEXCHUS], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/DEXCHUS, December 15, 2019.
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