diff --git a/Abalone/README.md b/Abalone/README.md
index d012dc3..a5011dd 100644
--- a/Abalone/README.md
+++ b/Abalone/README.md
@@ -9,7 +9,7 @@ Copyright (c) 2016 - 2019
## Abalone Data Set
-### Predict the age of Abalone from physical measurements
+### Find out the age of Abalone from physical measurements
---
diff --git a/Autism Screening Adult/.gitkeep b/Autism Screening Adult/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Autism Screening Adult/.gitkeep
+++ /dev/null
diff --git a/Beijing PM2.5/.gitkeep b/Beijing PM2.5/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Beijing PM2.5/.gitkeep
+++ /dev/null
diff --git a/Bike Sharing/README.md b/Bike Sharing/README.md
index f1a88a4..180862c 100644
--- a/Bike Sharing/README.md
+++ b/Bike Sharing/README.md
@@ -9,7 +9,7 @@ Copyright (c) 2016 - 2019
## Bike Sharing Data Set
-### Predicat bike rental count (hourly/daily) based on the environmental & seasonal settings
+### Predict bike rental count (hourly/daily) based on the environmental & seasonal settings
---
diff --git a/Blood Transfusion Service Center/README.md b/Blood Transfusion Service Center/README.md
index 9e82892..33b813b 100644
--- a/Blood Transfusion Service Center/README.md
+++ b/Blood Transfusion Service Center/README.md
@@ -3,20 +3,20 @@ Copyright (c) 2016 - 2019
---
-**Level** Advanced
+**Level** Intermediate
**Recommended Use:** Classification Models
**Domain:** Business
## Blood Transfusion Service Center Data Set
-### Predict if a donor will give blood in March 2007
+### Find out if a donor will give blood in March 2007
---
---
-This *advanced* level data set has 748 instances and 5 attributes.
+This *intermediate* level data set has 748 instances and 5 attributes.
This data set is recommended for learning and practicing your skills in **exploratory data analysis**, **data visualization**, and **classification modelling techniques**.
Feel free to explore the data set with multiple **supervised** and **unsupervised** learning techniques.
diff --git a/Car Evaluation/.gitkeep b/Car Evaluation/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Car Evaluation/.gitkeep
+++ /dev/null
diff --git a/Car Evaluation/README.md b/Car Evaluation/README.md
index e114e3e..63acb63 100644
--- a/Car Evaluation/README.md
+++ b/Car Evaluation/README.md
@@ -16,7 +16,7 @@ Copyright (c) 2016 - 2019
---
-This *intermediate* level data set was derived from a decision-making model which was originally developed for research on multi-attribute decision making.
+This *beginner* level data set was derived from a decision-making model which was originally developed for research on multi-attribute decision making.
Decision making involves selection between seemingly conflicting alternatives.
The data set has 1728 rows and 7 columns in which car attributes such as price and technology are described across 6 attributes such as "Buying Price", "Maintenance", and "Safety" etc. There are multiple alternatives under each of the 6 attributes. Car's acceptability,
diff --git a/Census Income/README.md b/Census Income/README.md
index b86cfd5..c089f77 100644
--- a/Census Income/README.md
+++ b/Census Income/README.md
@@ -10,7 +10,7 @@ Copyright (c) 2016 - 2019
## Census Income Data Set
-### Predict whether income exceeds $50K/year:
+### Estimate whether a person’s income exceeds $50K/year:
diff --git a/Daily Demand Forecasting Orders/.gitkeep b/Daily Demand Forecasting Orders/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Daily Demand Forecasting Orders/.gitkeep
+++ /dev/null
diff --git a/Default of Credit Card Clients/README.md b/Default of Credit Card Clients/README.md
index 4780de2..bf54a92 100644
--- a/Default of Credit Card Clients/README.md
+++ b/Default of Credit Card Clients/README.md
@@ -3,7 +3,7 @@ Copyright (c) 2016 - 2019
---
-**Level:** Intermediate
+**Level:** Advanced
**Recommended Use:** Classification Models
**Domain:** Business/Finance
@@ -16,7 +16,7 @@ Copyright (c) 2016 - 2019
---
-This *intermediate* level data set has 30000 rows and 24 columns.
+This *advanced* level data set has 30000 rows and 24 columns.
The data set could be used to estimate the probability of default payment by credit card client using the data provided.
This data set is recommended for learning and practicing your skills in **exploratory data analysis**, **data visualization**, and **classification modelling techniques**.
Feel free to explore the data set with multiple **supervised** and **unsupervised** learning techniques. The Following data dictionary gives more details on this data set:
diff --git a/Dow Jones Index/.gitkeep b/Dow Jones Index/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Dow Jones Index/.gitkeep
+++ /dev/null
diff --git a/Fertility/.gitkeep b/Fertility/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Fertility/.gitkeep
+++ /dev/null
diff --git a/Glass Identification/.gitkeep b/Glass Identification/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Glass Identification/.gitkeep
+++ /dev/null
diff --git a/Heart Disease/.gitkeep b/Heart Disease/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Heart Disease/.gitkeep
+++ /dev/null
diff --git a/Individual Household Electric Power Consumption/README.md b/Individual Household Electric Power Consumption/README.md
index 1d50ed9..574f916 100644
--- a/Individual Household Electric Power Consumption/README.md
+++ b/Individual Household Electric Power Consumption/README.md
@@ -3,7 +3,7 @@ Copyright (c) 2016 - 2019
---
-**Level:** Intermediate
+**Level:** Advanced
**Recommended Use:** Regression/Clustering Models
**Domain:** Electricity
@@ -16,7 +16,7 @@ Copyright (c) 2016 - 2019
---
-This *intermediate* level data set has 2075259 rows and 9 columns.
+This *advanced* level data set has 2075259 rows and 9 columns.
This dataset provides measurements of electric power consumption in one household with a one-minute sampling rate over a period of almost 4 years.
Different electrical quantities and some sub-metering values are available.
diff --git a/Liver Disorders/README.md b/Liver Disorders/README.md
index 0584330..e3da360 100644
--- a/Liver Disorders/README.md
+++ b/Liver Disorders/README.md
@@ -9,7 +9,7 @@ Copyright (c) 2016 - 2019
## Liver Disorders Data Set
-### Patterns relating liver disorder and alcohol consumption
+### Discover patterns relating liver disorder and alcohol consumption
---
diff --git a/Online News Popularity/README.md b/Online News Popularity/README.md
index 825bf3e..7fa24b0 100644
--- a/Online News Popularity/README.md
+++ b/Online News Popularity/README.md
@@ -16,7 +16,7 @@ Copyright (c) 2016 - 2019
---
-This *intermediate* level data set has 39644 rows and 61 columns.
+This *advanced* level data set has 39644 rows and 61 columns.
This dataset summarizes a heterogeneous set of features about articles published by Mashable in a period of two years.
This could be used to predict the number of shares of an article in social networks.
diff --git a/Qualitative Bankruptcy/README.md b/Qualitative Bankruptcy/README.md
index 2098379..4d3aec2 100644
--- a/Qualitative Bankruptcy/README.md
+++ b/Qualitative Bankruptcy/README.md
@@ -9,13 +9,13 @@ Copyright (c) 2016 - 2019
## Qualitative Bankruptcy Data Set
-### Predict Bankruptcy from Qualitative parameters from experts
+### Estimate chance of Bankruptcy from Qualitative parameters from experts
---
---
-This *intermediate* level data set has 250 rows and 7 columns.
+This *beginner* level data set has 250 rows and 7 columns.
This dataset contains 6 qualitative parameters from experts which could be used to predict the bankruptcy.
This data set is recommended for learning and practicing your skills in **exploratory data analysis**, **data visualization**, and **classification modelling techniques**.
Feel free to explore the data set with multiple **supervised** and **unsupervised** learning techniques. The Following data dictionary gives more details on this data set:
diff --git a/Real Estate Valuation/README.md b/Real Estate Valuation/README.md
index 4df38ae..a44d2f4 100644
--- a/Real Estate Valuation/README.md
+++ b/Real Estate Valuation/README.md
@@ -3,7 +3,7 @@ Copyright (c) 2016 - 2019
---
-**Level:** Intermediate
+**Level:** Beginner
**Recommended Use:** Regression Models
**Domain:** Real Estate
@@ -16,7 +16,7 @@ Copyright (c) 2016 - 2019
---
-This *intermediate* level data set has 414 rows and 7 columns.
+This *beginner* level data set has 414 rows and 7 columns.
It provides the market historical data set of real estate valuations which are collected from Sindian Dist., New Taipei City, Taiwan.
This data set is recommended for learning and practicing your skills in **exploratory data analysis**, **data visualization**, and **regression modelling techniques**.
Feel free to explore the data set with multiple **supervised** and **unsupervised** learning techniques.
diff --git a/Travel Reviews/.gitkeep b/Travel Reviews/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Travel Reviews/.gitkeep
+++ /dev/null
diff --git a/User Knowledge Modeling/README.md b/User Knowledge Modeling/README.md
index 2fc4811..720877b 100644
--- a/User Knowledge Modeling/README.md
+++ b/User Knowledge Modeling/README.md
@@ -3,7 +3,7 @@ Copyright (c) 2016 - 2019
---
-**Level:** Intermediate
+**Level:** Beginner
**Recommended Use:** Classification/Clustering
**Domain:** Education/Web
@@ -16,7 +16,7 @@ Copyright (c) 2016 - 2019
---
-This *intermediate* level data set has 403 rows and 6 columns.
+This *beginner* level data set has 403 rows and 6 columns.
The data set has been divided into training and testing (training: 258, testing: 145).
It is a real dataset about the students' knowledge status about the subject of Electrical DC Machines.
This data set is recommended for learning and practicing your skills in **exploratory data analysis**, **data visualization**, and **classification** and **clustering** techniques.
diff --git a/Wholesale Customers/README.md b/Wholesale Customers/README.md
index 598d96f..db68693 100644
--- a/Wholesale Customers/README.md
+++ b/Wholesale Customers/README.md
@@ -9,7 +9,7 @@ Copyright (c) 2016 - 2019
## Wholesale Customers Data Set
-### Discover patterns from spending data at wholesale
+### Find patterns from spending data at wholesale
---
diff --git a/Wireless Indoor Localization/.gitkeep b/Wireless Indoor Localization/.gitkeep
deleted file mode 100644
index e69de29..0000000
--- a/Wireless Indoor Localization/.gitkeep
+++ /dev/null