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In modern era, it is easy to sell, buy and work with other people through internet. But others against it. Do you think this is positive trend or negative trend.

In modern era, it is easy to sell, buy and work with other people through internet. But others against it. Do you think this is positive trend or negative trend. PVk9J

In parametric approach is a two step process and first a function form is assumed. Whereas no assumption is made in the non-parametric approach. Parametric approach reduces the problem of estimating the function to a few parameters, which simplifies the problem. Where as in non-parametric approach we try to find an estimate of the function that is very close to the actual data points as possible. The main advantage of the parametric approach is simplification of the problem from estimating the function to estimating a few set of parameters. In addition the number of observation required to estimate the function is less compared to non-parametric approach. The disadvantages with parametric approach is there is a possibility that the model chosen to estimate f is different from the actual true form of the f and this result in poor predictions. Also, trying to avoid this by choosing more flexible models might result in over fitting and increase in errors.

In parametric You use this word too often, consider replacing it withaccesspathway
approach
 is a 'two step' is missing a hyphen.two-step
two step
 process and first
 a You use this word too often, consider replacing it withdutyaffairtaskpowerservicework
function
 form is assumed
. “Whereas” at the beginning of a sentence usually requires a 2nd clause. Maybe a comma, question or exclamation mark is missing, or the sentence is incomplete and should be joined with the following sentence.
Whereas
 no assumption is made
 in the non-parametric You use this word too often, consider replacing it withaccesspathway
approach
. Parametric You use this word too often, consider replacing it withaccesspathway
approach
This phrase/word (depending on the context) can be potentially replaced with :alleviates
reduces
 the problem of estimating the You use this word too often, consider replacing it withdutyaffairtaskpowerservicework
function
 to a few parameters, which simplifies the problem. Did you mean "Whereas"?Whereas
Where as
 in non-parametric You use this word too often, consider replacing it withaccesspathway
approach
 we try to find an estimate of the You use this word too often, consider replacing it withdutyaffairtaskpowerservicework
function
that is
This phrase/word is too simple and can be replaced with:extremelyimmenselysupremelysuperb
very
 close to the actual data points as possible.

The main advantage of the parametric You use this word too often, consider replacing it withaccesspathway
approach
 is simplification of the problem from estimating the You use this word too often, consider replacing it withdutyaffairtaskpowerservicework
function
 to estimating a Possible agreement error. The noun set seems to be countable; consider using: "few sets".few sets
few set
 of parameters. In Did you forget a comma after a conjunctive/linking adverb?addition,
addition
 the number of observation required to estimate the You use this word too often, consider replacing it withdutyaffairtaskpowerservicework
function
 is less compared to non-parametric approach.

The disadvantages with parametric You use this word too often, consider replacing it withaccesspathway
approach
 is there is a possibility that the model chosen to estimate f is This phrase/word is too simple and can be replaced with:various
different
 from the actual true form of the f and this result in poor predictions. Also
, trying to avoid this by choosing more flexible models might result in over fitting and increase in errors. 