- Will box work with textastic pro#
- Will box work with textastic code#
- Will box work with textastic series#
However, you must revert your data to its original scale when you are ready to make predictions.įor example, your model might predict that the Box-Cox transformed value, given other features, is 1.5. Next, fit your model to the Box-Cox transformed data. (It may be unnecessary to transform your data if the confidence interval includes 1). Where X² is the chi-squared distribution. If llf is the log-likelihood function, then the confidence interval for lambda can be written asįrom Scipy documentation on Box-Cox function. (For example, alpha = 0.05 gives the 95% confidence interval). You can also specify a number, alpha, which calculates the confidence interval for that value.
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Simply pass a 1-D array into the function and it will return the Box-Cox transformed array and the optimal value for lambda. Scipy has a boxcox function that will choose the optimal value of lambda for us. We choose the value of lambda that provides the best approximation for the normal distribution of our response variable. Therefore, if the optimal value for lambda is 1, then the data is already normally distributed, and the Box-Cox transformation is unnecessary.
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In that case, our data shifts down but the shape of the data does not change. Notice what happens when lambda equals 1.
Will box work with textastic series#
Where t is the time period and lambda is the parameter that we choose (you can perform the Box-Cox transformation on non-time series data, also). Photo from Rob Hyndman’s and George Athanasopoulos’s “Forecasting”. If we plot this distribution, then it might look something like below: plt.figure(figsize = (8, 8)) data = np.random.beta(1, 3, 5000) sns.distplot(data) plt.show() Suppose we had a Beta distribution, where alpha equals 1 and beta equals 3. By transforming your target variable, we can (hopefully) normalize our errors (if they are not already normal).Īdditionally, transforming our variables can improve the predictive power of our models because transformations can cut away white noise. This assumption allows us to construct confidence intervals and conduct hypothesis tests. In many statistical techniques, we assume that the errors are normally distributed. The Box-Cox transformation transforms our data so that it closely resembles a normal distribution. One of these transformations (and the first I was introduced to in undergrad) is the Box-Cox Transformation. The authors of Forecasting devote one sub-chapter to transforming data (Section 3.2: “Transformations and Adjustments”), where they go over four types of transformations.
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The textbook is short, easy for beginners, and a wonderful appendage to the monstrous mess of books, YouTube videos, and MOOCs that aspiring data scientists simply “must” learn. In the image you see screenshots from Textastic, Coda and Kodex.I recently started (re-)reading Forecasting: Principles and Practices to get a quick refresher on (you’ll never guess) forecasting! That way Kodex can open remote html files like if they were local files. What makes it special is that once you have created a connection in File Explorer, you can add that as a connection in the iOS Files app. File explorer can connect using several ftp protocols as well as most of the common cloud services (Box, Dropbox, Onedrive, Google Drive and many more). Kodex doesn’t have ftp or any other file transfer protocol. It lets you quickly scroll through the open document.
Will box work with textastic code#
Kodex is a code editor that use the native iOS Files interface to open files.
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It does, however, have other interesting possibilities. I use an external keyboard so special characters is not an issue for me. It does not have an extra keyboard row with special characters like /,, if that is important to you.
Will box work with textastic pro#
My current solution is to use a combination of FE File Explorer Pro and Kodex. It can handle sftp and it has an extensive extra keyboard row with more characters than you will ever need.Ĭoda also has sftp Support and is a very good HTML editor.