Weblist.filter() filters a list by an expression that returns TRUE or FALSE. The results only contain the list elements for which the value of that expression turns out to be TRUE . Different from list mapping which evaluates an expression given each list element, list filtering evaluates an expression to decide whether to include the entire ... WebJul 13, 2013 · inf is infinity - a value that is greater than any other value. -inf is therefore smaller than any other value. nan stands for Not A Number, and this is not equal to 0. Although positive and negative infinity can be said to be symmetric about 0, the same can be said for any value n, meaning that the result of adding the two yields nan.
How to filter R DataFrame by values in a column?
WebOct 1, 2014 · I tried using subset () but it excludes too much: > subset (data, iso3!="ARG" & Coverage>93) iso3 Vaccine Coverage 4 KAZ DPT3 99 5 KAZ MCV 98 6 KAZ Pol3 99. The problem seems to be that the & operator doesn't seem to work like the boolean AND, returning the intersection of the two conditions. Instead, it functions like a boolean OR, … WebExample 1: Replace Inf by NA in Vector. Example 1 shows how to remove infinite values from a vector or array in R. First, let’s create such a vector: my_vec <- c (1, 7, 3, Inf, 5, Inf) # Create example vector my_vec # Print example vector # 1 7 3 Inf 5 Inf. Our example vector contains six elements, whereby two of these elements are infinite ... hanekom and thornhill 1983
How to remove rows with inf from a dataframe in R
WebHow to handle (filter out) infinity in MAPE score in R. I put a forecast model together and when using accuracy in forecast I get Infinity for some of the MAPE scores. I understand … Webis.infinite returns a vector of the same length as x the jth element of which is TRUE if x [j] is infinite (i.e., equal to one of Inf or -Inf) and FALSE otherwise. This will be false unless x is numeric or complex. Complex numbers are infinite if either the real or the imaginary part is. is.nan tests if a numeric value is NaN. WebApr 12, 2016 · If the number of Inf, -Inf values are different for each column, the above code will have a list with elements having unequal length. So, it may be better to leave it as a list. If we want a data.frame, it should have equal lengths. If we want to remove rows contain … haneke piano teacher