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Neeraj Sharma
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  • Bangalore,Karnataka
  • India
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  • Okan OYMAK

Neeraj Sharma's Discussions

Face detection - Get duration of people glimpse on an advertisement

Started this discussion. Last reply by Anand.M 23 hours ago. 2 Replies

Hi,I used Haar cascade to detect faces on camera.It gives back coordinates of rectangles where face is detected.I saved the data along with time stamp in below manner:2018-07-04…Continue

Tags: Cascade, Haar, Processing, Image

Add column values as new row conditionally

Started this discussion. Last reply by Neeraj Sharma Mar 22. 1 Reply

I csv data file in below format:1:1011022:1031041053:106107I want result as below in RValue     id101         1102         1103         2104         2105         2106         3107         3I did…Continue

Tags: row, Add, R

Analysis of survey conducted on grocery store customers

Started Feb 24 0 Replies

I have given a survey conducted on customers of grocery shop. This grocery shop has sensors which keeps track what items i picked and will be billed accordingly on exit of store app.Survey conducts…Continue

Merge row data

Started this discussion. Last reply by Neeraj Sharma Mar 17. 7 Replies

I have four columns in my data set like below:A       B      C       D0      NA    NA    NA0      NA    NA    NANA    1      NA    NANA    0      NA    NANA   NA     0      NANA   NA     1      NANA …Continue

Tags: column, values, Merge, Python, mining

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Latest Activity

Anand.M replied to Neeraj Sharma's discussion Face detection - Get duration of people glimpse on an advertisement
"What does the time stamp say? when the face was detected on camera? if so do you have data on when the face got undetected from the time it got detected? this might give you the duration the face was in camera. With this maybe you can assume the…"
23 hours ago
Matt Tucker replied to Neeraj Sharma's discussion Face detection - Get duration of people glimpse on an advertisement
"Hi Neeraj, Looks like a great start! You can use a motion tracking solution such as this one: https://github.com/bendidi/Tracking-with-darkflow with a few customizations to output how many people and for how long where watching the…"
Jul 12
Neeraj Sharma's 2 discussions were featured
Jul 10
Neeraj Sharma posted a discussion

Face detection - Get duration of people glimpse on an advertisement

Hi,I used Haar cascade to detect faces on camera.It gives back coordinates of rectangles where face is detected.I saved the data along with time stamp in below manner:2018-07-04 12:36:09.150689,145,278,419,4192018-07-04 12:36:09.550856,56,232,218,2182018-07-04 12:36:09.550950,230,255,416,4162018-07-04 12:36:09.924459,322,243,393,3932018-07-04 12:36:09.924575,635,449,184,1842018-07-04 12:36:10.274188,396,228,393,3932018-07-04 12:36:10.608793,452,214,401,401Now i want to get some pattern through…See More
Jul 10
Tim Matteson liked Neeraj Sharma's discussion Add column values as new row conditionally
Mar 23
Neeraj Sharma replied to Neeraj Sharma's discussion Add column values as new row conditionally
"Let me answer myself in case if some one else face the same issue :) df <- data_frame(text=junk) df %>% separate_rows(text, sep = '\n') %>% filter(text != "") %>% extract(text, into = c('group'), regex…"
Mar 22
Neeraj Sharma posted a discussion

Add column values as new row conditionally

I csv data file in below format:1:1011022:1031041053:106107I want result as below in RValue     id101         1102         1103         2104         2105         2106         3107         3I did using for loop but it takes lot of time. Original data 3MB file.Added extra column "m_id" in test_data dataframe and executed below code.f <- function(x){ value = 0 if(endsWith(as.character(x) ,":") == TRUE){ value = substr(x,0,nchar(x)-1) } return (value) }for(row in 1:nrow(test_data)){ id = 0 id =…See More
Mar 18
Neeraj Sharma replied to Neeraj Sharma's discussion Merge row data
"Thank you every one for your help. I am able to do achieve this row merge in R as well as in Python. "
Mar 17
Neeraj Sharma and Okan OYMAK are now friends
Mar 9
Okan OYMAK replied to Neeraj Sharma's discussion Merge row data
"Here is how you can do it in R using just a one-line code. apply(yourData, 1, function(data) { data[which(!is.na(data))] }) You can also type 2 if you wanna do the operation columnwise. I would be happy to hear if it worked for you."
Mar 2
Neeraj Sharma's 2 discussions were featured
Mar 1
Neeraj Sharma posted a discussion

Analysis of survey conducted on grocery store customers

I have given a survey conducted on customers of grocery shop. This grocery shop has sensors which keeps track what items i picked and will be billed accordingly on exit of store app.Survey conducts few questions like (everything rated 1-5)Availability of products.Access to different products(whether you are able to search required product easily or not)Ease of parkingEase of billingQuality of productsThis survey has to be analysed statistically and pick out most painful area.I generated a…See More
Mar 1
Paulo César liked Neeraj Sharma's discussion Merge row data
Feb 14
Tim Matteson liked Neeraj Sharma's discussion Merge row data
Feb 13
steve miller replied to Neeraj Sharma's discussion Merge row data
"nice answer. you wanna use array operations. numpy's an elegant and efficient library."
Feb 11
Kornel Olszewski replied to Neeraj Sharma's discussion Merge row data
"Hi, I believe a simple solution would be to use foreach loop construct. Let us declare the dataset: t1 = data_frame(                          A=c( rep(0,2),rep(NA,6) )                         ,B=c( rep(NA,2),1,0,rep(NA,4) )                       …"
Feb 11

Profile Information

Short Bio
Working till now on JAVA but very much passionate for data analysis. From last 8 months going through various courses for data science. Trying hard to work full time on data analysis.
My Web Site Or LinkedIn Profile
http://https://www.linkedin.com/in/neeraj-sharma-00788ba/
Professional Status
Technical
Years of Experience:
10
Your Company:
Cisco
Industry:
Software
Your Job Title:
SE III
How did you find out about DataScienceCentral?
via articles posted on Linked In
Interests:
Finding a new position, Networking, New venture
What is your Favorite Data Mining or Analytical Website?
http://www.datasciencecentral.com/,https://www.r-bloggers.com,https...
What Other Analytical Website do you Recommend?
http://https://www.datascienceweekly.org/

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