Doubtly
@Doubtly · Joined Feb 2021
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- Why and how do we tokenize a text? Why Tokenize Text? Tokenization is a crucial preprocessing step in natural language processing (NLP) that involves splitting text into small... 1
- Explain different types of data visualizations in R programming language In R programming language, there are various types of data visualizations that can be created using different packages such as ggplot2, plot... 1
- Enlist and explain the seven practice areas of text analytics. The Seven Practice Areas of Text Analytics Search and Information Retrieval (IR): This practice area focuses on developing techniques to eff... 1
- Difference between ARMA and ARIMA Feature ARMA Model ARIMA Model Definition Models that combine autoregressive (AR) and moving average (MA) components without differencing th... 1
- Explain ADfuller and KPSS test in time series ADF (Augmented Dickey-Fuller) Test: The Augmented Dickey-Fuller (ADF) test is a statistical test used to determine whether a given time seri... 1
- What is stationarity, and why is it important in time series analysis? Stationarity in Time Series Analysis Stationarity in time series analysis refers to a property of a series where statistical properties such... 1
- What is autocorrelation, and how do you use it to analyze a time series? Autocorrelation, also known as serial correlation, is a statistical concept that measures the degree of correlation between a time series an... 1
- Why is data analytics lifecycle essential? The data analytics lifecycle refers to the series of steps involved in the process of extracting insights and value from data. It typically... 1
- What are the benefits of doing a pilot program before a full-scale rollout Analytical methodology refers to the systematic approach used to collect, process, analyze, and interpret data to derive meaningful insights... 1
- In which phase would the team expect to invest most of the project time? Data preparation tends to be the most labor-intensive step in the analytics lifecycle, often consuming at least 50% of the data science proj... 1
- What are some amazing tweets and their responses ? The TWEET Translation – Guys, sometimes you should have home cooked food too & The replies – Translation – Guys, sometimes you should keep y... 1
- Distinguish between single mode and multimode optical fiber. Distinguish between single mode and multimode optical fiber. 2
- Distinguish between step index and graded index optical fiber. Sr.no. Step index fibre Graded index fibre. 1 The refractive index of the core of step index fiber is constant throughout the core. The refr... 1
- Draw the schematic diagram of Scanning Electron Microscope SEM is a type of electron microscope that uses electron beam which is focused on the specimen and by detecting the signals from the interact... 1
- What is population inversion state? Explain its significance in the operation of LASER 1.Normally atoms have the tendency to return to ground state releasing the absorbed energy. Hence, the population of atoms in ground state i... 1
- Compute the maximum radius allowed for a fiber having core refractive index 1.5 and 1.48. Compute the maximum radius allowed for a fiber having core refractive index 1.5 and 1.48. the fiber is to support only one mode at a wavelen... 2
- Discuss the phenomenon of Fraunhofer’s diffraction at a single slit FRAUNHOFER DIFFRACTION AT SINGLE SLIT Let us first consider a parallel beam of light incident normally on a slit AB of width ‘a’ which is of... 1
- With neat energy level diagram describe the construction and working of a He-Ne Laser. It consists of a long discharge tube of length 50 cm and diameter 1 cm. The tube is filled with a mixture of He and Ne in the ratio 10:1. El... 1