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Sachin Kumar

Mar 21 • 5 tweets • 6 min read

Day7⃣ of #100dayswithMachinelearning

Topic - Challenges in Machine Learning

🧵

The model will not perform well if training data is small, or noisy with errors outlier or if #data is not representative consist of irrelevant feature(garbage in garbage out) lastly neither too simple(result in #underfitting) nor too complex(results in #overfitting

#DataScience

Not enough training data.
Poor Quality of data.
Irrelevant features.
Nonrepresentative training data.
Overfitting and Underfitting.

#DataCleaningchallenge #MachineLearning #Deeplearning #DataAnalytics #DataVisualization #Python #Powerbi #SQL #MYSQL
analyticsvidhya.com/blog/2021/06/5…

#ML system doesn't perform well if the training set is too small or if the #data is not generalized, noisy, corrupted with irrelevant features. We went through some of the basic challenges faced by beginner while practicing #machinelearning.

#DataScience
javatpoint.com/issues-in-mach…

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More from @Sachintukumar

Sachin Kumar

@Sachintukumar

Mar 23

Day9⃣ of #100dayswithMachineLearning

Topic - Machine Learning Development Life Cycle

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#Machinelearning has given the computer systems the abilities to automatically learn without being explicitly #programmed. But how does a machine learning system work? So, it can be described using the #lifecycle of machine learning.

#Machinelearning life cycle is a cyclic process to build an efficient machine learning #project. The main purpose of the life cycle is to find a solution to the problem or project.

Machine learning life cycle involves seven major steps, which are given below:
#DataScience

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Sachin Kumar

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Mar 23

" Data Analyst Project on Hotel Booking "

That you can add in your resume or portfolio to showcase your skills 💯

🧵

◻ In Recent Year , City Hotel & Resort Hotel have seen High Cancellation Rates. Each Hotel is now Dealing with number of issue as result including Fewer #revenue & Less than ideal Hotel room use.

🔹 Insights :

1️⃣ More Cancellation occur when prices are higher
2️⃣ When there is Longer waiting list , Customer tend to Cancel more frequently
3️⃣ The majority of Clients are coming from a offline #travel agents to make their #reservations

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Sachin Kumar

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Mar 23

SQL Interviews Question for Product companies

👇

create table entries (
name varchar(20),
address varchar(20),
email varchar(20),
floor int,
resources varchar(10));

#SQL #DataScience #DataAnalytics #MachineLearning #Deeplearning

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Sachin Kumar

@Sachintukumar

Mar 23

" SQL Interview problem "

🧵

This is a REAL SQL Interview question that might seem impossible to solve just by using SQL at first. But during the video the problem by breaking it into multiple parts

#SQL #DataScience #DataCleaningchallenge #DataAnalytics #dataviz #MachineLearning #deeplearning

Youtube Video Link -

Read 4 tweets

Sachin Kumar

@Sachintukumar

Mar 22

Day8⃣ of #100dayswithMachineLearning

Topic - Applications of Machine learning

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@Google

#Machinelearning is a buzzword for today's #technology it is growing very rapidly day by day. We are using machine learning in our daily life even without knowing it such as @Google Maps, Google assistant, #Alexa, etc. Below are some most trending real-world applications of ML

✅ Image Recognition:
It is one of the most common applications of machine learning. It is used to identify objects, persons, places, #digital images, etc. The popular use case of image recognition and face detection is Automatic friend tagging suggestion

javatpoint.com/applications-o…

Read 5 tweets

Sachin Kumar

@Sachintukumar

Mar 22

" SQL Puzzle Interview Question "

🧵

Table script:

create table input (
id int,
formula varchar(10),
value int
)
insert into input values (1,'1+4',10),(2,'2+1',5),(3,'3-2',40),(4,'4-1',20);