Multiple replacement in R
@premsheth wrote: Hi, I am trying to do multiple replacement with single function. I want to replace some words with 1 category word For example: “Scrubs & Body Treatments”,"Exfoliators, Polishes...
View ArticleError while installing new package from Github
@premsheth wrote: Hi, I am trying to install Indicoio package. I tried to install package through some suggestion but I am getting following error: library(devtools) library(EBImage)...
View ArticleIs it required to learn data science before machine learning?
@sngr wrote: I’m a beginner who wants to start in ML field and I read here that “machine learning is a field of data science”. I’m wondering whether should some one learn data science before machine...
View ArticleMultiplying Probabilities
@Blackberry wrote: Hi Guys, Why do we multiply probabilities to get the probabilities of two consecutive events e.g. A box has 2 red and one black ball to get the probability if we pick first ball is...
View ArticleRSTAN package instillation issue
@sushilsingh8853 wrote: can anyone tell me how to install RSTAN package in Linux machine. When i install that package then it’s give error non-zero exist ERROR: dependency ‘bayesplot’ is not available...
View ArticleCareer change - 5 years of experience
@chaitanyakanth wrote: I have work experience of 5 years as full stack developer and web developer and earning decent package. I am looking for career change to Data Science. I am planning to pursue a...
View ArticleReshaping Data in R
@deepak0singh wrote: I have a data in following Format on R ID Product A p1 B p1 B p2 C p1 C p2 C p3 and i want to output to shown like ID A p1 B p1 p2 C p1 p2 p3 HOw can i do that in R ? or can we do...
View ArticleHow to optimize prediction using Keras package?
@premsheth wrote: Hi, I am working on case studies from below link: https://www.r-bloggers.com/deep-learning-for-brand-logo-detection/ I gone through all steps and try to get prediction from sample...
View ArticleMatt Whiteny U test Vs T test
@mukundgnana wrote: Hello fellow data scientists, Problem definition: I need to test whether the difference between the “mean” utilization metrics of two machines is statistically significant. Given...
View ArticleUsing customer relationships to create groups
@Shaina_M wrote: Doc1.pdf (205.9 KB) Hi, I have a database of about 20,000 business customers that is growing. But many of these customers are part of a larger business entity and I need to identify...
View ArticleData issue for forecast daily sales
@sushilsingh8853 wrote: I have less than 1 year data, When i forecast next 7 days sells and match actual sell then difference between forecast sell and actual sell is very high. I used prophet package...
View ArticleVietoris-Rips complex for n-dimensional point cloud
@suravi2016 wrote: I am studying about Vietoris-Rips complexes, and I have some doubt regarding the dimension of the spheres (balls) involved in its construction. For example, is it so that for a...
View ArticleData mart practie problem code causing error when imputing data
@kevinkingsman wrote: Hey, this is article link: https://www.analyticsvidhya.com/blog/2016/02/bigmart-sales-solution-top-20 I’m facing an error while trying to perform imputation for Item_Weight as...
View ArticleIs linear regression fit for this data
@shounakrockz47 wrote: I am predicting the number of vehicles in 4 traffic junctions. So, I have following columns in my dataset : DateTime Junction_ID Number_of_vehicles At the first glance, this...
View ArticleWhat are your favourite R hacks and why?
@vsagar19 wrote: What are your favourite R hacks on daily use? Posts: 1 Participants: 1 Read full topic
View ArticleHow to do condition based sells forecasting
@sushilsingh8853 wrote: Can any one tell me how to do conditional forecasting. Means daily sells is depend on different-2 factor. Like i forecast any cinema food & beverage sells then FNB sell is...
View ArticleNeed Help in understanding a code snippet from Titanic Passenger Survival...
@mohitvarma wrote: Hello, I have picked uo the following code snippet from titanic passenger survival project on Kaggle I would like to know the role of “IsAlone” feature/field in the following...
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Apriori and FP-Growth Algorithms
@kgrahim99 wrote: hi guys could you please help me to find Frequent item sets for the following transactions using (Apriori and FP-Growth Algorithms). Use minimum support = 20%. DATA SET : [Album]...
View ArticleTime series analysis with python
@ssonia wrote: data = pd.read_csv(‘AirPassengers.csv’, parse_dates=‘Month’, index_col=‘Month’,date_parser=dateparse) Reading Time series analysis with python article by Analytics vidhya, i’m getting...
View ArticleDealing with negative values
@jayad wrote: Hi I am trying to predict the electricity usage of heating and cooling appliances in a household based on internal and external temperatures. my data set includes negative values. how i...
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