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  2. One-hot - Wikipedia

    en.wikipedia.org/wiki/One-hot

    Another downside of one-hot encoding is that it causes multicollinearity between the individual variables, which potentially reduces the model's accuracy. [citation needed] Also, if the categorical variable is an output variable, you may want to convert the values back into a categorical form in order to present them in your application. [10]

  3. Dummy variable (statistics) - Wikipedia

    en.wikipedia.org/wiki/Dummy_variable_(statistics)

    In this case, multiple dummy variables would be created to represent each level of the variable, and only one dummy variable would take on a value of 1 for each observation. Dummy variables are useful because they allow us to include categorical variables in our analysis, which would otherwise be difficult to include due to their non-numeric ...

  4. pandas (software) - Wikipedia

    en.wikipedia.org/wiki/Pandas_(software)

    However, if data is a DataFrame, then data['a'] returns all values in the column(s) named a. To avoid this ambiguity, Pandas supports the syntax data.loc['a'] as an alternative way to filter using the index. Pandas also supports the syntax data.iloc[n], which always takes an integer n and returns the nth value, counting from 0. This allows a ...

  5. State encoding for low power - Wikipedia

    en.wikipedia.org/wiki/State_encoding_for_low_power

    For such FSM, one-hot encoding guarantees switching of two bits for every state change. But since the number of state variables needed is equal to the number of states, as states increase, one-hot encoding becomes an impractical solution, mainly because with an increased number of inputs and outputs to the circuit, complexity and capacitive ...

  6. One hot encoding - Wikipedia

    en.wikipedia.org/?title=One_hot_encoding&redirect=no

    This page was last edited on 17 November 2006, at 00:14 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. One-hot encoding - Wikipedia

    en.wikipedia.org/?title=One-hot_encoding&redirect=no

    One-hot To a related topic : This is a redirect to an article about a similar topic. Redirects from related topics are different than redirects from related words, because a related topic is more likely to warrant a full and detailed description in the target article.

  8. Encoder (digital) - Wikipedia

    en.wikipedia.org/wiki/Encoder_(digital)

    A General encoder's block diagram. An encoder (or "simple encoder") in digital electronics is a one-hot to binary converter.That is, if there are 2 n input lines, and at most only one of them will ever be high, the binary code of this 'hot' line is produced on the n-bit output lines.

  9. Feature hashing - Wikipedia

    en.wikipedia.org/wiki/Feature_hashing

    One-hot encoding is easy to interpret, but it requires one to maintain the arbitrary enumeration of . Given a token t ∈ T {\displaystyle t\in T} , to compute ϕ ( t ) {\displaystyle \phi (t)} , we must find out the index i {\displaystyle i} of the token t {\displaystyle t} .