安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- R: Error in xts - order. by - Stack Overflow
Delt expects a (m x 1) object but you're passing a (m x 2) object This is because GSPC has two columns that are matched by Cl ("Close" and "AdjClose") This will probably cause headaches in other areas too
- xts error - order. by requires an appropriate time-based object
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- Converting data. frame to xts order. by requires an appropriate time . . .
?xts says that the following about order by: Currently acceptable classes include: ‘Date’, ‘POSIXct’, ‘timeDate’, as well as ‘yearmon’ and ‘yearqtr’ where the index values remain unique So an extra explicit conversion is required, e g to POSIXct:
- r - What does length (Tr) != nrow (X) mean? - Stack Overflow
These must be the same for Match() to work If these are not the same length, you need to figure out why If these are not the same length, you need to figure out why One reason, as mentioned by @jay sf in the comments, is that there is missing data in your covariate X that you used as the predictor in the logistic regression model glm1
- Create XTS with dates with different number of rows
Trying to create an xts file but after formatting upon loading in, I have different number of rows for dates than I do for my data
- error in xts - order. by cannot contain NA, NaN, or Inf
I am trying to convert a csv data frame into an xts and keep getting the following error: the file is a csv daily stock data downloaded from Yahoo Finance for "AAPL" Here is what I did so far:
- r - Convert a matrix back to xts - Stack Overflow
I think you need to transpose the matrix and convert to data frame before converting it to xts so you can have rows as records (observations) and columns as variables
- r - Error: order. by requires an appropriate time-based object . . .
PerformanceAnalytics attempts to convert your data into a form that is easier to work with internally To make this work with a data frame, the data frame has to have rownames that are formatted like Dates
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