Statistics 统计代写

Stat统计课程常用R语言, python和matlab等进行画图和数据统计分析. 统计和金融经济和机器学习等课程密切相关.

CS6603 AI Ethics and Society Project 3

CS6603 AI Ethics and Society Homework Project #3 ● Dixon, Lucas & Li, John & Sorensen, Jeffrey & Thain, Nithum & Vasserman, Lucy. “Measuring and Mitigating Unintended Bias in Text Classification,” AAAI/ACM Conference on AI, Ethics, and Society, pp. 67-73, 2018. https://www.aies- conference.com/2018/contents/papers/main/AIES_2018_paper_9.pdf ● Tolga Bolukbasi, Kai-Wei Chang, James Zou, Venkatesh Saligrama, and Adam Kalai,

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R语言代写

Task 1 Calculate the mean and standard deviation for PM10 and PM2.5 for both sites: calculate the mean and standard deviation for the entire year first of all, and then for each quarter. Present these values in a simple table. For the air pollution data, how well do the annual parameters summarise the datasets? Do

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Psychology 2812B HW3 心理学 R语言代写

— title: “Homework 3” subtitle: “Psychology 2812B FW22” — # Lab Component ## 1. LGA mean departure delay Load the `tidyverse` package and the `nycflights` dataset. Note that you will first need to install the nycflights13 dataset: “`{r} #| echo: true #| eval: false install.packages(“nycflights13”) “` “`{r} #| echo: TRUE #| output: FALSE library(tidyverse) library(nycflights13)

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R语言代写

1. Write a short comment about what this R script is about. 2. Remove all existing objects in your “environment”. 3. Create a vector called “HousePrices”, which consists of 100 random numbers generated from a Normal distribution, mean and the standard deviation of which are 300,000 and 50,000 respectively. Hint: use function “norm” to generate

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Multiple Testing

Problem 2 The Multiple Testing dataset (multiple.txt) is a simulated dataset which contains 50 variables and 100 observations per variable. Suppose we know that the first 10 variables have mean equal to 2 and the rest of them have mean equal to 0. Analyze the dataset according to the following steps: 1. Perform multiple testing

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