Khóa học: Tin học ứng dụng (TC43-Hà Giang)

GIỚI THIỆU Giảng viên: HÀ VĂN SANG – Bộ môn Tin học TC – KT – Khoa Hệ thống thông tin Kinh tế TEL: 0982.165.568 Email: sanghv[at]hvtc.edu.vn Mục đích: • Nắm được các khái niệm về HTTT • Sử dụng thành thạo công cụ trình chiếu • Giải các bài toán kinh tế bằng bảng tính Excel • Nắm vững …

Some financial Datasets

Clean Credit Scoring Credit Rate Financial Data AI Credit Scoring China company firm bankruptcy Japan solvent 18-Rating

Deep Learning: How the mind overrides Experience

Although the ability to retain, process and project prior experience onto future situations is indispensable, the human mind also possesses the ability to override experience and adapt to changing circumstances. Cognitive scientist Stellan Ohlsson analyzes three types of deep, non-monotonic cognitive change: creative insight, adaptation of cognitive skills by learning from errors and conversion from one belief to another, incompatible …

Top 10 Algorithms in Data Mining

the first step in the identification process, in September 2006 we invited the ACM KDD Innovation Award and IEEE ICDM Research Contributions Award winners to each nominate up to 10 best-known algorithms in data mining. All except one in this distinguished set of award winners responded to our invitation. We asked each nomination to provide the following information: (a) the …

Rename multiple files

Renaming Procedures In all the following examples, unless otherwise noted, it is assumed that all files in the current directory are to be renamed – ie. the first parameter is “*.*”. If, in fact, the files to be renamed are not in the current directory, the path must be included as appropriate. If only some files are to be renamed, …

Predicting Stock Market Returns

Predicting Stock Market Returns: R Code of Chapter 3 (right-click here to save the code in a local file) ################################################### ### The Available Data ################################################### library(DMwR) data(GSPC) ################################################### ### Handling time dependent data in R ################################################### library(xts) x1 <- xts(rnorm(100),seq(as.POSIXct(“2000-01-01″),len=100,by=”day”)) x1[1:5] x2 <- xts(rnorm(100),seq(as.POSIXct(“2000-01-01 13:00″),len=100,by=”min”)) x2[1:4] x3 <- xts(rnorm(3),as.Date(c(‘2005-01-01′,’2005-01-10′,’2005-01-12’))) x3 x1[as.POSIXct(“2000-01-04”)] x1[“2000-01-05”] x1[“20000105”] x1[“2000-04”] x1[“2000-03-27/”] x1[“2000-02-26/2000-03-03”] x1[“/20000103”] mts.vals <- matrix(round(rnorm(25),2),5,5) …

The evaluation of classification models for credit scoring

The evaluation of classification models for credit scoring The Contents 1 Introduction ——————————– ——————————– —————————– 1 2 Reasons of the model evaluation ——————————– ——————————– – 3 3 Criterions of the model evaluation ——————————– ——————————- 6 3.1 The classification accuracy ——————————– ——————————– —– 6 3.1.1 The estimation of true error rates ——————————– ————————- 6 3.1.2 Sampling of train and test data …

Các dạng bài tập Foxpro

Bài tập foxpro THUD CÁC DẠNG BÀI FOX HAY GẶP DẠNG 1: Nhập dự liệu và chỉ ra các trường phải nhập? vì sao? Ví dụ:quản lí vật tư Đáp án: use QLVT APPEND Các trƣờng cần phải nhập là: số phiếu, mã vật tư, sản lượng, đơn giá vì: trường thành tiền không phải nhập vì đc tính thông …