ADP

Mock_exam02 [ for study]

Mock_exam01 [ for study]

Web_Crawling

apply

GeoCoding

Heat Map

Scatter Plot

Pie Chart

Bar Chart

D3.js

HTML_ui

downloading files

uploading file

MoreWidget

dataTable

Tabsets

Slider

Input & Output

hello(shiny)

install shiny

vcd_mosaic plot

plotly::ggplotly

googleVis

aplpack

Multiple Axis

qplot

ggplot point shape

ggplot with data.frame & basic_graph

Graph effective

basic Graph

JSON & XML structures

FaceBook API(Rfacebook & Rook)

igraph(SNA)

tm(with TwitteR dataframe)

Twitter API(twitteR)

Clustering

Within_groups_sum_of_squares for kmeans

Transaction & Locking or Currency Control & Recovery

Normalization

Data Modeling

DataBase Programming

SQL Advanced

SQL Basic

RDB

DB System

plot_nesting

solve & polyroot

inner & outer product(vector)

eigen vector & eigen value

plot_pi_scaled

plot scale

build Packages

Derivate & Integrate

expression

Plot

S3 & S4 object

Evaluate Cluster Analysis

Self-Organizing Map, SOM

Expectation Maximization, EM

k-means cluster

Lift Curve

Lift Chart

ROC(Receiver Operating Characteristic Curve)

Naïve Bayes Classification

Artificial Neural Network, ANN

Random Forest_Ensemble Analysis

Boosting_Ensemble Analysis

Bagging_Ensemble Analysis

Decision Tree

Rogistic Regression

Time Series Model 2

Time Series Model 1

Time Series Analysis

Principal Componets Analysis

Multidimensional Scaling

Variable Selection_step()

QQ-plot

F-test

T-test & Welch Test

Regression Analysis

Correlation Analysis(correlation coefficient)

Cross-Tabulation Analysis(chi-squared distribution)

ANOVA(F-value)

Z-test & T-test

T-test(T-value)

outlier

Imputation_missing value

Amelia & DMwR2 package

Iris

data.table package

plyr package

sqldf package

reshape package

R Functions

Control Statement

R Data Handling

R inner function

Data Structure

Operator

Data type