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Handling categorical data 

Sukamal Das
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22 мар 2020

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Комментарии : 18   
@user-gc5xl4vp5r
@user-gc5xl4vp5r 26 дней назад
super sir ,thank you soo much
@aartisharma4793
@aartisharma4793 2 года назад
Thank you so much. These concepts were not that easy for me as you made these now.Any average learner can understand and implement these concept.
@sukamal_das
@sukamal_das 2 года назад
Glad that I could help you 🙂👍
@bhulekhyag4189
@bhulekhyag4189 Год назад
i have been working on it for long time , you made it simple .. thank you
@JyotirmoyeeRoy
@JyotirmoyeeRoy 3 месяца назад
I'm getting true or false instead of 0 and 1 after applying the dummies. Why is that?
@sasikala_chowdary
@sasikala_chowdary Год назад
Time saver ,thank you so much🙏
@gpoojitha2614
@gpoojitha2614 5 месяцев назад
Can you please give a piece of code from which we can get the number of categorical columns and numeric columns in the whole dataset
@abdulwahabchudhary6269
@abdulwahabchudhary6269 7 месяцев назад
Excellent work! I have been working on it for two days, but I did not grasp the main concept. However, after watching the video, I now understand the whole concept. Is my use of 'dose' correct? Also, please check the entire sentence
@mkeremyucedag
@mkeremyucedag 3 года назад
Hey! Great video as always. I have a question for you. In the end you're doing fit_transform with for loop. How can I do it with map, list ? When I do list(map(le.fit_transform(df_cat),df_cat)) it gives this error : y should be a 1d array, got an array of shape (513, 2) instead. How would you do map,list as an alternative to for loop ?
@sukamal_das
@sukamal_das 3 года назад
You can also use this technique - df_cat = df_cat.apply(lambda x : LabelEncoder().fit_transform(x))
@mkeremyucedag
@mkeremyucedag 3 года назад
@@sukamal_das Oh, thanks! That works and surely is an easy way to work things. Wish you good luck, thanks again !
@shahfahad3682
@shahfahad3682 2 года назад
Great explanation! I have a question though, When we apply label encoder and the categorical column has more than 3 unique values it assigns the value as 1,2,3,4 etc. Are there any chances that our model prioritizes the category which has a higher number compared to others?
@sukamal_das
@sukamal_das 2 года назад
Yes you are right. To avoid this problem we can go for One Hot Encoding technique.
@shahfahad3682
@shahfahad3682 2 года назад
@@sukamal_das but what if we have 100 categories? Then it would create 99 extra columns right? How do we handle this?
@SusmitaMelodies
@SusmitaMelodies Год назад
Thankyou❤
@SusmitaMelodies
@SusmitaMelodies Год назад
Im having error even after converting categorical values df value still shows object type
@sukamal_das
@sukamal_das Год назад
Can you share your code via github ?
@SusmitaMelodies
@SusmitaMelodies Год назад
@@sukamal_das yes sure can u share the link
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