Dorine Hankey

How can I use the condition within cloud formation for creating resources?

In the context of AWS, here is the step given of how you can implement conditions within the cloud formation template:- Define condition in cloud formation You can define the condition in the cloud formation template by using the “condition” section within the template. It would evaluate whether resources or a set of…

AWS

Answered Mar 22, 2024 · 851 Views Read answer →

How can I use the principal component analysis (PCA) in the machine learning pipeline?

In the context of data science, you can address this particular scenario of reduction of the dimensionality in a dataset with a large number of features by using the Principal Component analysis by using the following steps:- Import libraries You can start by importing the necessary libraries such as NumPy, pandas,…

Data Science

Answered Mar 18, 2024 · 954 Views Read answer →

postgres update with join vs SQL server update with join - which is better?

zpostgres update with join vs SQL server update with join UPDATE foo SET bar = t2.bar FROM foo t1 JOIN foo2 t2 ON t1.id = t2.id; There is no join condition between foo and t1, the implicit CROSS JOIN forces a Cartesian product, i.e. O(N²) (!) update operations instead of just O(N). And the result is non-deterministic…

SQL Server

Answered Oct 3, 2022 · 4.5K Views Read answer →

: Creating AWS Free Tier account without using credit card

To answer your question, it is not possible to make an AWS account without giving your credit card details. However, Amazon has a provision for making the account in free tier. This implies that a multitude if services will be at your disposal free of cost given that you adhere to the limits they have set. Since you…

Devops

Answered Jul 15, 2021 · 3.8K Views Read answer →

How to change line width in ggplot?

To change the ggplot line thickness, you can use the size argument in the geom_line function as follows: data(mtcars) ggplot(mtcars,aes(disp, qsec)) + geom_line(size = 2)

Data Science

Answered May 9, 2021 · 1.4K Views Read answer →

Convert data.frame columns from factors to characters

To convert factor to character in r and then concatenate the rows of the data frame, use the following function: bob % mutate_if(is.factor, as.character) -> bob

Data Science

Answered May 8, 2021 · 888 Views Read answer →

Explain Gensim?

Gensim is an open source library used in Python which is used for various natural language processing and text clustering techniques. It not only targets memory processing but also handles large collection of texts using data streaming and incremental online algorithms. It uses various implementations of word…

Data Science

Answered Dec 23, 2019 · 1.3K Views Read answer →

Explain Damerau- Levenshtein algorithm and how it differs from common edit distance algorithm?

Damerau- Levenshtein algorithm measures the string between two sequences. It basically involves three classical edit operations which are insertion, deletions and substitutions and also it includes transposition of adjacent characters used while transforming the strings. It is different from ordinary Levenshtein…

Data Science

Answered Dec 23, 2019 · 1.6K Views Read answer →